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Contents

Step 5—Install PERC 3/SC

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111

Step 6—Connect SCSI Cables

. . . . . . . . . . . . . . . . .

113

Step 7—Set Target IDs

. . . . . . . . . . . . . . . . . . . .

114

Step 8—Power On Host System

. . . . . . . . . . . . . . . .

115

Step 9—Run PERC 3 BIOS Configuration Utility or WebBIOS
Utility

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116

Step 10—Install Operating System Software Drivers

. . . . . .

116

PERC 3/DC or PERC 3/DCL Hardware Installation

Requirements

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118

Optional Equipment

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118

PERC 3/DC Card Layout

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119

PERC 3/DCL Card Layout

. . . . . . . . . . . . . . . . . . . . .

120

Installation Steps

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120

Step 1—Unpack the PERC 3/DC or PERC 3/DCL

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121

Step 2—Power Down

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121

Step 3—Set Jumpers

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121

Step 4—Set SCSI Termination

. . . . . . . . . . . . . . . . .

125

Step 5—Install the PERC 3/DC or PERC 3/DCL Controller

. .

126

Step 6—Select and Set Target IDs for SCSI Devices

. . . . . .

128

Step 7—Connect SCSI Cables

. . . . . . . . . . . . . . . . .

128

Step 8—Power On Host System

. . . . . . . . . . . . . . . .

130

Step 9—Run the PERC 3 BIOS Configuration Utility or WebBIOS
Configuration Utility

. . . . . . . . . . . . . . . . . . . . .

130

Step 10—Install Operating System Software Driver

. . . . . .

131

Replacing a PERC 3/DC Containing a BC Chip with a PERC 3/DC
Containing a BE Chip

. . . . . . . . . . . . . . . . . . . . . . .

131

Using Driver 5.22.1 or 5.22.2 and Firmware 161J or 161N

. .

131

Using Driver 5.30 and Firmware 1.70

. . . . . . . . . . . . .

131

PERC 3/QC Hardware Installation

Requirements

. . . . . . . . . . . . . . . . . . . . . . . . . . .

134

Содержание DC, 3

Страница 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell PowerEdge Expandable RAID Controller 3 QC 3 DC 3 DCL and 3 SC PERC 3 User s Guide ...

Страница 2: ...a registered trademark of LSI Logic Corporation Microsoft Windows NT MS DOS and Windows are registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation Novell and NetWare are registered trademarks of Novell Corporation ASPI is a registered trademark of Adaptec Inc IBM is a registered trademark of International Business Machines Other trademarksan...

Страница 3: ...d the potential hazard of electric shock do not connect or disconnect any cables or perform maintenance or reconfiguration of this product during an electrical storm If your computer includes a modem the cable used with the modem should be manufactured with a minimum wire size of 26 American wire gauge AWG and an FCC compliant RJ 11 modular plug Before you clean your computer disconnect the comput...

Страница 4: ...omputer with any cover s including computer covers bezels filler brackets front panel inserts and so on removed Your computer is equipped with one of the following A fixed voltage power supply Computers with a fixed voltage power supply do not have a voltage selection switch on the back panel and operate at only one voltage see the regulatory label on the outside of the computer for its operating ...

Страница 5: ...instructions otherwise provided to you by Dell Always follow installation and service instructions closely NOTICE To help avoid possible damage to the system board wait 5 seconds after turning off the computer before removing a component from the system board or disconnecting a device from the computer 1 Perform an orderly computer shutdown using the operating system menu 2 Turn off your computer ...

Страница 6: ... waste Contact your local waste disposal agency for the address of the nearest battery deposit site Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your computer To prevent static damage discharge static electricity from your body before you touch any of your computer s electronic components such as the microprocessor You can do so by touching an u...

Страница 7: ...ay result in injury CAUTION Viewing the monitor screen for extended periods of time may result in eye strain Battery Disposal Do not dispose of the battery along with household waste Contact your local waste disposal agency for the address of the nearest battery deposit site ...

Страница 8: ...6 w w w d e l l c o m s u p p o r t d e l l c o m ...

Страница 9: ...e Ended and LVD SCSI Buses 26 Maximum Cable Length for SCSI Standards 26 SCSI Bus Widths and Maximum Throughput 26 Operating System Support 27 2 Introduction to RAID RAID Definition 30 PERC 3 Host Based RAID Solution 30 Components and Features 31 Physical Array 31 Logical Drive 31 Fault Tolerance 31 Consistency Check 32 Disk Striping 32 Disk Mirroring 34 Disk Spanning 35 Spanning for RAID 10 or RA...

Страница 10: ...cting a RAID Level 42 RAID 0 43 RAID 1 45 RAID 5 46 RAID 10 48 RAID 50 50 4 PERC 3 SC Features Hardware Requirements 54 Configuration Features 54 SMART Technology 55 Configuration on Disk Configuration 55 Hardware Architecture Features 56 Array Performance Features 56 PERC 3 SC Fault Tolerance Features 57 Software Utilities 57 Operating System Software Drivers 58 ...

Страница 11: ...res Hardware Requirements 64 Configuration Features 64 SMART Technology 65 Configuration on Disk 65 Hardware Architecture Features 66 Array Performance Features 67 Fault Tolerance Features 67 Software Utilities 68 Operating System Software Drivers 68 PERC 3 DC and PERC 3 DCL Specifications 68 PCI Bridge CPU 69 Cache Memory 70 PERC 3 DC and PERC 3 DCL BIOS 70 Onboard Speaker 70 Serial Port 70 SCSI ...

Страница 12: ...ce Features 76 Fault Tolerance Features 77 Software Utilities 77 Operating System Software Drivers 78 PERC 3 QC Specifications 78 PCI Bridge CPU 79 Cache Memory 79 PERC 3 QC BIOS 80 Onboard Speaker 80 Serial Port 80 SCSI Bus 80 SCSI Connectors 80 SCSI Termination 80 SCSI Firmware 81 RAID Management 81 7 Configuring PERC 3 Configuring SCSI Physical Drives 84 Current Configuration 84 Logical Drive C...

Страница 13: ...ls 95 Configuring Logical Drives 96 Optimizing Data Storage 96 Data Access Requirements 96 Array Functions 97 Planning the Array Configuration 97 Using the Array Configuration Planner 98 Random Array Deletion 99 Overview 99 Configuration Module 100 8 PERC 3 SC Hardware Installation Requirements 102 Optional Equipment 102 PERC 3 SC Card Layout 103 Installation Steps 103 Step 1 Unpack 104 Step 2 Pow...

Страница 14: ...or PERC 3 DCL 121 Step 2 Power Down 121 Step 3 Set Jumpers 121 Step 4 Set SCSI Termination 125 Step 5 Install the PERC 3 DC or PERC 3 DCL Controller 126 Step 6 Select and Set Target IDs for SCSI Devices 128 Step 7 Connect SCSI Cables 128 Step 8 Power On Host System 130 Step 9 Run the PERC 3 BIOS Configuration Utility or WebBIOS Configuration Utility 130 Step 10 Install Operating System Software Dr...

Страница 15: ...9 Run the PERC 3 BIOS Configuration Utility or WebBIOS Configuration Utility 147 Step 10 Install Operating System Driver 147 11 PERC 3 BIOS Configuration Utility Configuration On Disk 150 Starting the PERC 3 BIOS Configuration Utility 150 BIOS Configuration Utility Menu Options 151 Configure Menu 152 Initialize Menu 153 Objects Menu 153 Format Menu 158 Rebuild Menu 158 Check Consistency Menu 159 C...

Страница 16: ...n 179 Deleting Logical Drives Random Array Deletion 179 Formatting Physical Drives 180 Media Errors 180 Formatting Drives 180 Rebuilding Failed Disk Drives 182 Manual Rebuild Rebuilding an Individual Drive 182 Manual Rebuild Batch Mode 182 Using a Pre loaded SCSI Drive As is 183 Exiting the PERC 3 BIOS Configuration Utility 184 Setting Hardware Termination 184 Clustering 185 Cluster Mode 185 Enabl...

Страница 17: ...h Initialization 197 Individual Initialization 198 Deleting Logical Drives Random Array Deletion 198 Formatting Physical Drives 199 Media Errors 199 Formatting Drives 200 Rebuilding Failed Disk Drives 201 Manual Rebuild Rebuilding an Individual Drive 201 Manual Rebuild Batch Mode 202 Exiting Dell Manager 202 13 Troubleshooting Overview 204 BIOS Boot Error Messages 205 Other BIOS Error Messages 208...

Страница 18: ...16 Contents 14 Appendix A SCSI Cables and Connectors 15 Appendix B Warranties and Return Policy Glossary 237 Index 247 ...

Страница 19: ...allation of PERC 3 SC Card into Motherboard 112 Figure 8 6 Connecting SCSI Cables 113 Figure 9 1 PERC 3 DC Card Layout 119 Figure 9 2 PERC 3 DCL Card Layout 120 Figure 9 3 J11 Serial Port Pinout 123 Figure 9 4 Termination of Internal SCSI Disk Arrays for PERC 3 DC and 3 DCL 126 Figure 9 5 Installation of the PERC 3 DC and 3 DCL 127 Figure 9 6 Connecting SCSI Cables to PERC 3 DC and 3 DCL 129 Figur...

Страница 20: ...18 Figures ...

Страница 21: ...4 2 Configuration on Disk Features 55 Table 4 3 Hardware Architecture Features 56 Table 4 4 Array Performance Features 56 Table 4 5 PERC 3 SC Fault Tolerance Features 57 Table 4 6 Software Utilities Features 57 Table 4 7 PERC 3 SC Specifications 58 Table 4 8 SCSI Firmware Support 61 Table 5 1 Configuration Features 64 Table 5 2 Configuration on Disk Features 65 Table 5 3 Hardware Architecture Feat...

Страница 22: ...ault Tolerance Features for RAID Levels 0 1 and 5 94 Table 7 9 Performance Characteristics for Each RAID Level 95 Table 7 10 Physical Drives Required for Each RAID Level 95 Table 7 11 Factors to Consider for Array Configuration 97 Table 7 12 Array Configuration Planner 98 Table 8 1 PERC 3 SC Jumpers 105 Table 8 2 J1 Termination Enable Settings 105 Table 8 3 J9 I2C Interface Connector Pinout 106 Ta...

Страница 23: ...e 11 1 BIOS Configuration Utility Menu Options 151 Table 11 2 Configuration Menu Options 152 Table 11 3 Adapter Menu Options 153 Table 11 4 Logical Drive Menu Options 155 Table 11 5 Physical Drive Menu Options 156 Table 11 6 SCSI Channel Menu Options 157 Table 11 7 Battery Information Menu Options 157 Table 11 8 PERC 3 QC and PERC 3 DC Default Settings 161 Table 11 9 PERC 3 SC and PERC 3 DCL Defau...

Страница 24: ...build Types 201 Table 13 1 General Problems and Suggested Solutions 204 Table 13 2 BIOS Boot Error Messages 205 Table 13 3 Other BIOS Error Messages 208 Table 13 4 Other Potential Problems 209 Table 13 5 Audible Warnings 210 ...

Страница 25: ...SE CT ION 1 Overview PERC 3 Overview PERC 3 Features ...

Страница 26: ... document applies to PERC 3 QC PERC 3 DC PERC 3 DCL and PERC 3 SC With LVD you can use cables up to 25 meters long Throughput on each SCSI channel can be as high as 160 MB s PERC 3 supports both an LVD SCSI bus and a single ended SCSI bus PERC 3 64 bit LVD is a high performance intelligent PCI to SCSI host adapter with RAID control capabilities PERC 3 64 bit LVD requires no special motherboard PCI...

Страница 27: ...hannels The PERC 3 QC controller card includes four SCSI channels There are two QLogic 12160 chips each chip controls two SCSI channels The PERC 3 DC and PERC 3 DCL controller cards include two SCSI channels There is one QLogic 12160 chip which controls two SCSI channels The PERC 3 SC controller card has one SCSI channel There is one QLogic 10160 chip Non volatile Random Access Memory NVRAM and Fl...

Страница 28: ...um length of cable that you can use for various SCSI standards SCSI Bus Widths and Maximum Throughput Table 1 2 displays the SCSI bus widths and maximum throughput for each of the SCSI standards Ta b l e 1 1 M a xim u m C a bl e Le n g th fo r S C S I S t an d a rd s SCSI Standard Single ended LVD Maximum of Drives SCSI I 6 m 12 m 7 Fast SCSI 6 m 12 m 7 Fast Wide SCSI 6 m 12 m 15 Ultra SCSI 1 5 m ...

Страница 29: ...rver Advanced Server Microsoft SBS 2000 Novell NetWare 5 x 6 x Red Hat Linux 7 x DOS including ASPI support Ta ble 1 2 SCSI Bus Widths and Maximum Thro ughput SCSI Standard SCSI Bus Width SCSI Throughput SCSI I 8 bits 5 MB s Fast SCSI 8 bits 10 MB s Fast Wide SCSI 16 bits 20 MB s Ultra SCSI 8 bits 20 MB s Wide Ultra SCSI 16 bits 40 MB s Ultra 2 SCSI 8 bits 40 MB s Wide Ultra 2 SCSI 16 bits 80 MB s...

Страница 30: ...28 Overview w w w d e l l c o m s u p p o r t d e l l c o m ...

Страница 31: ...SE CT ION 2 Introduction to RAID RAID Definition PERC 3 Host Based RAID Solution Components and Features ...

Страница 32: ...a peripheral component interconnect PCI adapter card that is installed in any available PCI expansion slot in a host system It is a host based RAID solution meaning that the RAID controller puts all of the RAID intelligence on an adapter card that is installed in a network server The array controller resides on the bus for example a PCI or EISA bus in the host computer and has its own central proc...

Страница 33: ...can consist of an entire physical array more than one entire physical array a part of an array parts of more than one array or a combination of any two of these conditions Fault Tolerance Fault tolerance is the capability of the subsystem to undergo a single failure without compromising data integrity and processing capability The RAID controller provides this support through redundant arrays in R...

Страница 34: ...ay For example in a system with parity checking consistency means computing the data on one drive and comparing the results to the contents of the parity drive Disk Striping Disk striping allows you to write data across multiple disk drives instead of just one disk drive Disk striping involves partitioning each drive storage space into stripes that can vary in size from 2 KB to 128 KB These stripe...

Страница 35: ...mple a four disk array with disk striping has a stripe width of four Stripe Size The stripe size is the length of the interleaved data segments that PERC 3 writes across multiple drives PERC 3 supports stripe sizes of 2 KB 4 KB 8 KB 16 KB 32 KB 64 KB or 128 KB Segment 1 Segment 5 Segment 9 Segment 2 Segment 6 Segment 10 Segment 3 Segment 7 Segment 11 Segment 4 Segment 8 Segment 12 ...

Страница 36: ... is that it provides 100 data redundancy Because the contents of the disk are completely written to a second disk it does not matter if one of the disks fails Both disks contain the same data at all times Either drive can act as the operational drive Disk mirroring provides 100 redundancy but is expensive because each drive in the system must be duplicated Fig u re 2 2 E xa m pl e o f D i s k M i ...

Страница 37: ...four 20 GB drives can be combined to appear to the operating system as a single 80 GB drive Spanning alone does not provide reliability or performance enhancements Spanned logical drives must have the same stripe size and must be contiguous In the following graphic RAID 1 array is turned into a RAID 10 array Fig u re 2 3 E x a m pl e o f D is k S p an n i n g 60 GByte 60 GByte Can Be Accessed as O...

Страница 38: ...stributed parity with disk striping Parity provides redundancy for one drive failure without duplicating the contents of entire disk drives but parity generation can slow the write process A dedicated parity scheme during normal read write operations is shown in Figure 2 4 Ta ble 2 1 Spanning f o r RAI D 10 and R AID 50 Level Description 10 Configure RAID 10 by spanning two contiguous RAID 1 logic...

Страница 39: ... without system shutdown or user intervention PERC 3 implements automatic and transparent rebuilds using hot spare drives providing a high degree of fault tolerance and zero downtime The PERC 3 RAID management software allows you to specify physical drives as hot spares When a hot spare is needed PERC 3 assigns the hot spare that has a capacity closest to and at least as great as that of the faile...

Страница 40: ...OS Configuration Utility for the procedures used to designate a drive as a hot spare Hot spare drives can be located on any RAID channel Standby hot spares not being used in RAID array are polled every 60 seconds at a minimum and their status made available in the array management software PERC 3 offers the ability to rebuild with a disk that is in a system but not initially set to be a hot spare ...

Страница 41: ...ilding failed drives A rebuild rate of 100 percent means the system is totally dedicated to rebuilding the failed drive The PERC 3 rebuild rate can be configured between 0 and 100 At 0 the rebuild is done only if the system is not doing anything else At 100 the rebuild has a higher priority than any other system activity The default rebuild rate is 30 Hot Swap A hot swap is the manual replacement ...

Страница 42: ...drive is functioning normally but is not part of a configured logical drive and is not designated as a hot spare Hot Spare HOTSP The drive is powered up and ready for use as a spare in case an online drive fails Fail FAIL A fault has occurred in the drive placing it out of service Rebuild REB The drive is being rebuilt with data from a failed drive Ta b l e 2 4 Log i c a l Dr i ve S ta t es State ...

Страница 43: ...SE CT ION 3 RAID Levels Overview Selecting a RAID Level RAID 0 RAID 1 RAID 5 RAID 10 RAID 50 ...

Страница 44: ...ting a RAID Level To ensure the best performance you should select the optimal RAID level when you create a system drive The optimal RAID level for your disk array depends on a number of factors The number of physical drives in the disk array The capacity of the physical drives in the array The need for data redundancy The disk performance requirements Table 3 1 RAI D Levels RAID Level Type 0 Stan...

Страница 45: ...e several drives to read or write the file faster RAID 0 involves no parity calculations to complicate the write operation This makes RAID 0 ideal for applications that require high bandwidth but do not require fault tolerance RAID 0 is also used to denote an independent or single drive Table 3 2 provides an overview of RAID 0 Ta b l e 3 2 RAI D 0 Ov e r v i e w Uses RAID 0 provides high data thro...

Страница 46: ... o m s u p p o r t d e l l c o m Figure 3 1 displays an example of a RAID 0 array Figure 3 1 R AID 0 Ar ra y Segment 1 Segment 5 Segment 7 Segment 2 Segment 6 Segment 10 Segment 3 Segment 7 Segment 11 Segment 4 Segment 8 Segment 12 ...

Страница 47: ...ble 3 3 provides an overview of RAID 1 Ta b l e 3 3 RAI D 1 Ov e r v i e w Uses Use RAID 1 for small databases or any other environment that requires fault tolerance but small capacity Strong Points RAID 1 provides complete data redundancy RAID 1 is ideal for any application that requires fault tolerance and minimal capacity Weak Points RAID 1 requires twice as many disk drives Performance is impa...

Страница 48: ...I O transactions simultaneously RAID 5 addresses the bottleneck issue for random I O operations Because each drive contains both data and parity numerous writes can take place concurrently In addition robust caching algorithms and hardware based exclusive or assist make RAID 5 performance exceptional in many different environments Table 3 4 provides an overview of RAID 5 Segment 1 Segment 2 Segmen...

Страница 49: ...n Use also for office automation and online customer service that requires fault tolerance Use for any application that has high read request rates but low write request rates Strong Points Provides data redundancy and good performance in most environments Weak Points Disk drive performance will be reduced if a drive is being rebuilt Environments with few processes do not perform as well because t...

Страница 50: ... to its other drive The size of each block is determined by the stripe size parameter which is set during the creation of the RAID set RAID 10 can sustain one to four drive failures while maintaining data integrity if each failed disk is in a different RAID 1 array Table 3 5 provides an overview of RAID 10 Segment 1 Segment 7 Parity 9 12 Segment 2 Segment 8 Segment 3 Segment 9 Parity 5 8 Segment 4...

Страница 51: ...arrays RAID 10 works well for medium sized databases or any environment that requires a higher degree of fault tolerance and moderate to medium capacity Strong Points RAID 10 provides both high data transfer rates and complete data redundancy Weak Points RAID 10 requires twice as many drives as all other RAID levels except RAID 1 Drives 2n where n is greater than 1 The maximum number of drives is ...

Страница 52: ...to smaller blocks and then stripes the blocks of data to each RAID 5 array RAID 5 breaks up data into smaller blocks calculates parity by performing an exclusive or on the blocks and then writes the blocks of data and parity to each drive in the array The size of each block is determined by the stripe size parameter which is set during the creation of the RAID set RAID 1 Disk 2 D Data Flow Disk 1 ...

Страница 53: ...a bl e 3 6 RAI D 5 0 O ver view Uses RAID 50 works best when used with data that requires high reliability high request rates and high data transfer and medium to large capacity Strong Points RAID 50 provides high data throughput data redundancy and very good performance Weak Points Requires 2 to 4 times as many parity drives as RAID 5 Drives 6 to 256 Eight arrays x 32 stripes 256 drives ...

Страница 54: ...D 50 array Figure 3 5 R AID 50 Ar ra y Segment 1 Segment 6 Parity 9 10 Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Disk 6 Data Flow RAID 5 RAID 5 Segment 2 Parity 5 6 Segment 9 Parity 1 2 Segment 5 Segment 10 Segment 3 Segment 8 Parity 11 12 Segment 4 Parity 7 8 Segment 11 Parity 3 4 Segment 7 Segment 12 RAID 0 ...

Страница 55: ...Features Hardware Requirements Configuration Features Hardware Architecture Features Array Performance Features PERC 3 SC Fault Tolerance Features Software Utilities Operating System Software Drivers PERC 3 SC Specifications ...

Страница 56: ...rd and a keyboard A mouse is recommended Configuration Features Table 4 1 lists the configuration features for the PERC 3 SC controller Ta b l e 4 1 C o nf i g u ra ti o n Fe at u re s Specification Feature RAID levels 0 1 5 10 and 50 SCSI channels 1 Maximum number of drives per channel 15 Array interface to host PCI 2 2 Drive interface Wide 160M Cache memory size 32 MB Cache function Write back w...

Страница 57: ... the configuration information on the drives This maintains the integrity of the data on each drive even if the drives have changed their target ID Drive roaming is supported across channels on the same controller Drive roaming across channels is not supported when cluster mode is enabled Table 4 2 lists the Configuration on Disk features for the PERC 3 SC controller Non disk devices supported No ...

Страница 58: ...960RM 100MHz SCSI controller s One QLogic 10160 Single SCSI controller Size of flash ROM 1 MB Amount of NVRAM 32 KB Hardware exclusive OR XOR assistance Yes Direct I O Yes SCSI bus termination Active single ended or low voltage differential LVD Double sided dual in line memory modules DIMMs Yes Auxiliary TermPWR source No Direct I O bandwidth 132 MB s Ta b l e 4 4 A r ra y Pe r fo rm a n ce Fe at ...

Страница 59: ...B 32 KB 64 KB or 128 KB Maximum number of concurrent commands 255 Support for multiple initiators Yes Ta b l e 4 5 P E R C 3 S C Fa u l t To l er an c e Fea t ur e s Specification Feature Support for SMART Yes Drive failure detection Automatic Drive rebuild using hot spares Automatic Manual replacement of drives without system shutdown Yes Parity generation and checking Yes Ta ble 4 6 Soft ware Ut...

Страница 60: ...on utility Ctrl M Yes Online read write and cache policy switching Yes Intranet support Yes Ta ble 4 7 PERC 3 SC Spe c ific a tio ns Parameter Specification Card size Half length PCI adapter card size 6 875 X 4 2 Processor Intel i960RM 64 bit RISC processor 100 MHz Bus type PCI 2 2 PCI controller Intel i960RM Bus data transfer rate Up to 132 MB s at 32 33 MHz Basic input output system BIOS PERC 3 ...

Страница 61: ... To improve performance in sequential disk accesses the PERC 3 SC controller uses read ahead caching by default You can disable read ahead caching SCSI controller One SCSI controller for 160M and Wide support SCSI data transfer rate Up to 160 MB s per channel SCSI bus Low voltage differential LVD or single ended SCSI termination Active Termination disable Automatic through cable and device detecti...

Страница 62: ...l Port PERC 3 SC includes a 3 pin RS232C compatible serial port connector This is for manufacturing use only SCSI Bus PERC 3 SC has one Wide 160M SCSI channels that support both LVD and single ended devices with active termination Synchronous and asynchronous devices are supported PERC 3 SC provides automatic termination disable via cable detection The SCSI channel supports up to 15 wide or seven ...

Страница 63: ... can use the PERC 3 BIOS Configuration Utility to configure and maintain RAID arrays format disk drives and manage the RAID system It is independent of any operating system See Chapter 11 PERC 3 BIOS Configuration Utility for additional information Ta ble 4 8 SCSI Fir mw ar e Support Feature Description Disconnect reconnect Optimizes SCSI bus utilization Tagged command queuing Multiple tags to imp...

Страница 64: ...WebBIOS Configuration Utility WebBIOS is used to configure and manage a RAID system using an HTML interface See the WebBIOS Configuration Utility Guide for more information Dell OpenManage Array Manager Dell OpenManage Array Manager is used to configure and manage a storage system that is connected to a server while the server is active and continues to handle requests Array Manager runs under Net...

Страница 65: ... DCL Features Hardware Requirements Configuration Features Hardware Architecture Features Array Performance Features Fault Tolerance Features Software Utilities Operating System Software Drivers PERC 3 DC and PERC 3 DCL Specifications ...

Страница 66: ...iskette drive a color monitor video graphics adapter VGA card and a keyboard A mouse is recommended Configuration Features The PERC 3 DC and PERC 3 DCL configuration features are shown in Table 5 1 Ta b l e 5 1 C o nf i g u ra ti o n Fe at u re s Specification Feature RAID levels 0 1 5 10 and 50 SCSI channels 2 Maximum number of drives per channel 15 Array interface to host PCI 2 2 Drive interface...

Страница 67: ...ntrollers detect the actual RAID configuration maintaining the integrity of the data on each drive even if the drives have changed channel and or target ID Drive roaming is supported across channels on the same controller Drive roaming across channels is not supported when cluster mode is enabled Table 5 2 shows the features for Configuration on Disk Flashable firmware Yes Hot swap devices support...

Страница 68: ...s Specification Feature Processor Intel i960RN 100MHz SCSI controller s One QLogic 12160 Dual SCSI controller Size of flash ROM 1 MB Amount of non volatile random access memory NVRAM 32 KB Hardware exclusive OR XOR assistance Yes Direct input output I O Yes SCSI bus termination Active single ended or low voltage differential LVD Double sided dual in line memory modules DIMMs Yes Auxiliary TermPWR ...

Страница 69: ...Maximum size of I O requests 6 4 MB in 64 KB stripes Maximum queue tags per drive As many as the drive can accept Stripe sizes 2 KB 4 KB 8 KB 16 KB 32 KB 64 KB or 128 KB Maximum number of concurrent commands 255 Support for multiple initiations Yes Ta b l e 5 5 Fa u l t To l e ra n ce Fe at u re s Specification Feature Support for SMART Yes Optional battery backup for cache memory Yes Up to 72 hou...

Страница 70: ...the PERC 3 DC and PERC 3 DCL specifications Ta ble 5 6 Soft ware Ut ilities Specification Feature Graphical user interface GUI Yes Management utility Yes Bootup configuration using BIOS Configuration Utility Ctrl M Yes Online read write and cache policy switching Yes Intranet support Yes Ta ble 5 7 PERC 3 DC and PERC 3 DCL Spe c ific a tio ns Parameter Specification Card size Half length PCI card ...

Страница 71: ...OM Nonvolatile random access memory RAM 32 KB 8 for storing RAID configuration Operating voltage 5 V 3 3 V SCSI controller Two SCSI controllers for 160M and Wide support SCSI data transfer rate Up to 160 MB s per channel SCSI bus LVD or single ended SCSI termination Active Termination disable Automatic through cable and device detection Devices per SCSI channel Up to 15 wide or seven narrow SCSI d...

Страница 72: ...up utility that can be accessed by pressing Ctrl M at BIOS initialization PERC 3 DC and PERC 3 DCL BIOS Configuration utility is described in Chapter 11 PERC 3 BIOS Configuration Utility Onboard Speaker The PERC 3 DC and PERC 3 DCL controller has an onboard tone generator for audible warnings when system errors occur Audible warnings can be generated through this speaker The audible warnings are l...

Страница 73: ...etection SCSI Firmware The PERC 3 DC and PERC 3 DCL firmware handles all RAID and SCSI command processing and supports the feature listed in Table 5 8 Ta ble 5 8 SCSI Fir mw ar e Feature Description Disconnect reconnect Optimizes SCSI bus seek Tagged command queuing Multiple tags to improve random access Scatter gather A single command can transfer data to and from different memory locations Multi...

Страница 74: ...endent of any operating system See Chapter 11 PERC 3 BIOS Configuration Utility for additional information Dell Manager Dell Manager is a character based non GUI utility that changes policies and parameters and monitors RAID systems Dell Manager runs under Novell NetWare 5 x 6 x and Red Hat Linux 7 x See Chapter 12 Dell Manager for additional information WebBIOS Configuration Utility WebBIOS is us...

Страница 75: ...3 QC Features Hardware Requirements Configuration Features Hardware Architecture Features Array Performance Features Fault Tolerance Features Software Utilities Operating System Software Drivers PERC 3 QC Specifications ...

Страница 76: ...essing unit CPU a diskette drive a color monitor video graphics adapter VGA card and a keyboard A mouse is recommended Configuration Features Table 6 1 lists the PERC 3 QC configuration features Ta b l e 6 1 C o n fi g u r at i on Fe a tu re s Specification Feature RAID levels 0 1 5 10 and 50 SCSI channels 4 Maximum number of drives per channel 15 Array interface to host PCI 2 2 Drive interface Wi...

Страница 77: ...detects the actual RAID configuration maintaining the integrity of the data on each drive even if the drives have changed channel and or target ID Drive roaming is supported across channels on the same controller Drive roaming across channels is not supported when cluster mode is enabled Table 6 2 lists the Configuration on Disk features Hot swap devices supported Yes Non disk devices supported No...

Страница 78: ...SI controller s Two QLogic 12160 dual SCSI controller Size of flash ROM 1 MB Amount of NVRAM 32 KB Hardware exclusive OR XOR assistance Yes Direct input output I O Yes SCSI bus termination Active single ended or low voltage differential LVD Double sided dual in line memory modules DIMMs Yes Auxiliary TermPWR source No Direct I O bandwidth 533 MB s greater than 200 MB s sustained Ta b l e 6 4 A r r...

Страница 79: ...ripe sizes 2 KB 4 KB 8 KB 16 KB 32 KB 64 KB or 128 KB Maximum number of concurrent commands 255 Support for multiple initiations Yes Ta b l e 6 5 Fa u l t To l e ra n ce Fe at u re s Specification Feature Support for SMART Yes Optional battery backup for cache memory Yes Up to 72 hours data retention Drive failure detection Automatic Drive rebuild using hot spares Automatic Manual replacement of d...

Страница 80: ...es Management utility Yes Bootup configuration using PERC BIOS configuration utility Ctrl M Yes Online read write and cache policy switching Yes Intranet support Yes Ta ble 6 7 PERC 3 QC Spe c ific a tio ns Parameter Specification Card size 12 3 x 4 2 full length PCI Processor Intel i960RN 64 bit RISC processor 100 MHz Bus type PCI 2 2 PCI controller Intel i960RN Bus data transfer rate Up to 533 M...

Страница 81: ...ach logical drive To improve performance in sequential disk accesses the PERC 3 QC controller uses read ahead caching by default You can disable read ahead caching Operating voltage 5 V 3 3 V SCSI controller Four SCSI controllers for 160M and Wide support SCSI data transfer rate Up to 160 MB s per channel SCSI bus LVD or single ended SCSI termination Active Termination disable Automatic through ca...

Страница 82: ...l Port PERC 3 QC includes a 9 pin RS232C compatible serial port connector This is for manufacturing use only SCSI Bus PERC 3 QC has four Wide 160M SCSI channels that support both LVD and single ended devices with active termination Synchronous and asynchronous devices are supported PERC 3 QC provides automatic termination disable by using cable detection The SCSI channel supports up to 15 wide or ...

Страница 83: ... You can use the PERC 3 BIOS Configuration Utility to configure and maintain RAID arrays format disk drives and manage the RAID system It is independent of any operating system See Chapter 11 PERC 3 BIOS Configuration Utility for additional information Ta ble 6 8 SCSI Fir mw ar e Feature Description Disconnect reconnect Optimizes SCSI bus utilization Tagged command queuing Multiple tags to improve...

Страница 84: ...WebBIOS Configuration Utility WebBIOS is used to configure and manage a RAID system using an HTML interface See the WebBIOS Configuration Utility Guide for more information Dell OpenManage Array Manager Dell OpenManage Array Manager is used to configure and manage a storage system that is connected to a server while the server is active and continues to handle requests Array Manager runs under Net...

Страница 85: ...cal Drives Current Configuration Logical Drive Configuration Physical Device Layout Configuring Arrays Configuration Strategies Assigning RAID Levels Configuring Logical Drives Optimizing Data Storage Planning the Array Configuration Random Array Deletion ...

Страница 86: ... size the array uses the size of the smallest drive and the same amount of space on the other drives to construct the arrays Make sure any hot spare has a capacity that is at least as large as the largest drive that may be replaced by the hot spare When replacing a failed drive make sure that the replacement drive has a capacity that is at least as large as the drive being replaced Current Configu...

Страница 87: ...Channel 1 8 9 10 11 12 13 14 15 Ta b l e 7 2 C u r re n t C o n fi g u ra ti on f or S C S I Cha nne l 1 SCSI ID Device Description SCSI Channel 1 0 1 2 3 4 5 6 8 9 10 11 12 Ta b l e 7 1 C u r re n t C o n fi g u ra ti on f or S C S I Cha nne l 0 continued SCSI ID Device Description SCSI Channel 0 ...

Страница 88: ...to each SCSI ID for SCSI Channel 2 13 14 15 Ta b l e 7 3 C u r re n t C o n fi g u ra t i on f or S C S I Cha nne l 2 SCSI ID Device Description SCSI Channel 2 0 1 2 3 4 5 6 8 9 10 11 12 13 14 15 Ta b l e 7 2 C u r re n t C o n fi g u ra t i on f or S C S I Cha nne l 1 continued SCSI ID Device Description SCSI Channel 1 ...

Страница 89: ...ls for each logical drive that you configure Ta b l e 7 5 Lo g i c al D ri v e C on f i g u ra ti o n Ta b l e 7 4 C u r re n t C o n fi g u ra ti on f or S C S I Cha nne l 3 SCSI ID Device Description SCSI Channel 3 0 1 2 3 4 5 6 8 9 10 11 12 13 14 15 Logical Drive RAID Stripe Size Logical Drive Size Cache Policy Read Policy Write Policy of Physical Drives LD0 LD1 ...

Страница 90: ...d e l l c o m LD2 LD3 LD4 LD5 LD6 LD7 LD8 LD9 LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD17 LD18 LD19 LD20 LD21 LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 Logical Drive RAID Stripe Size Logical Drive Size Cache Policy Read Policy Write Policy of Physical Drives ...

Страница 91: ...ID Stripe Size Logical Drive Size Cache Policy Read Policy Write Policy of Physical Drives Ta b l e 7 6 P h y si c al Dev i c e L a y o ut Channel 0 Channel 1 Channel 2 Channel 3 Target ID Device type Logical drive number Drive number Manufacturer Model number Firmware level Target ID Device type Logical drive number Drive number Manufacturer Model number Firmware level Target ID ...

Страница 92: ...Drive number Manufacturer Model number Firmware level Target ID Device type Logical drive number Drive number Manufacturer Model number Firmware level Target ID Device type Logical drive number Drive number Manufacturer Model number Firmware level Target ID Device type Logical drive number Drive number Ta b l e 7 6 P h y si c al Dev i c e L a y o ut continued Channel 0 Channel 1 Channel 2 Channel ...

Страница 93: ...ype Logical drive number Drive number Manufacturer Model number Firmware level Target ID Device type Logical drive number Drive number Manufacturer Model number Firmware level Target ID Device type Logical drive number Drive number Manufacturer Model number Firmware level Target ID Ta b l e 7 6 P h y si c al Dev i c e L a y o ut continued Channel 0 Channel 1 Channel 2 Channel 3 ...

Страница 94: ...ives in an array determines the RAID levels that can be supported The maximum number of drives that can be used is 60 consisting of four channels with 15 drives each PERC 3 supports up to 40 logical drives per controller Device type Logical drive number Drive number Manufacturer Model number Firmware level Target ID Device type Logical drive number Drive number Manufacturer Model number Firmware l...

Страница 95: ...You can designate drives as hot spares using the PERC 3 BIOS Configuration Utility Creating Logical Drives Logical drives are arrays or spanned arrays that are presented to the operating system You must create one or more logical drives The logical drive capacity must include all of the disk space in an array If an array with drives with mixed sizes the smallest common size is used and larger disk...

Страница 96: ...the RAID levels are shown in Table 7 8 Ta b l e 7 7 Dri v e s a n d Cap a c i tie s fo r Ea ch RAI D Le ve l RAID Level Description Drives Required Capacity 0 Striping without parity 1 32 Number of disks X capacity of smallest disk 1 Mirroring 2 Capacity of smallest disk X 1 5 Striping with floating parity drive 3 32 Number of disks X capacity of smallest disk capacity of 1 disk 10 RAID 1 and stri...

Страница 97: ...is written across a number of physical disk drives Ta b le 7 9 Pe r f or m an c e Ch ar ac te r istic s f or Ea ch RA ID Lev e l RAID Level Performance Characteristics 0 Excellent for all types of input output I O activity but provides no data security 1 Provides data redundancy and good performance 5 Provides data redundancy and good performance in most environments 10 Provides high data transfer...

Страница 98: ... or more system drives logical drives 6 Select the RAID level cache policy read policy and write policy 7 Save the configuration 8 Initialize the system drives After initialization you can install the operating system Optimizing Data Storage Data Access Requirements Each type of data stored in the disk subsystem has a different frequency of read and write activity If you know the data access requi...

Страница 99: ...ains large audio or video files that must be available on demand Will this disk array contain data from an imaging system You must identify the purpose of the data to be stored in the disk subsystem before you can confidently choose a RAID level and a RAID configuration Planning the Array Configuration Complete the items in Table 7 11 to help you plan the array configuration Ta b l e 7 1 1 Fa c to...

Страница 100: ...ast four drives RAID 50 requires at least six drives Ta b l e 7 1 2 A rr ay C o n fi g u r at i on P lan n e r Number of Drives Possible RAID Levels Relative Performance Fault Tolerance Effective Capacity 1 RAID 0 Excellent No 100 2 RAID 0 Excellent No 100 2 RAID 1 Good Yes 50 3 RAID 0 Excellent No 100 3 RAID 5 Good Yes 67 4 RAID 0 Excellent No 100 4 RAID 5 Good Yes 75 4 RAID 10 Good Yes 50 5 RAID...

Страница 101: ...w On a running operating system you can not delete a physical drive entry in the drive object repository Additions and deletions can be done only at the end of the repository The operating system driver receives this support from the firmware and maintains the same object repository table for that session of the operating system 8 RAID 50 spanned Good Yes 75 16 RAID 10 spanned Excellent Yes 50 16 ...

Страница 102: ...delete Configuration Module The main benefit of random array deletion on the configuration module is that you are not restricted to sequential or contiguous logical drives when you create logical drives You can use non contiguous segments to create logical drives NOTE Drive size expansion is not possible even though you can use non contiguous free space to create a new logical drive The random del...

Страница 103: ...SE CT ION 8 PERC 3 SC Hardware Installation Requirements PERC 3 SC Card Layout Installation Steps ...

Страница 104: ...er with an available 5 V 32 or 64 bit PCI expansion slot The PERC 3 installation diskettes The necessary SCSI cables This depends on the number and type of SCSI devices to be attached Fast Ultra Ultra II and 160M SCSI hard drives Dell strongly recommends that you have an uninterruptible power supply UPS for the entire system Optional Equipment You may also want to install SCSI cables that connect ...

Страница 105: ...urer OEM support representative 2 Turn the computer off and remove the cover 3 Check the jumper settings on the PERC 3 SC controller 4 Set SCSI termination 5 Install the PERC 3 SC card J12 Non Buffered 3 3V DIMM Socket J17 J15 J16 RUBI Slot Interrupt Steering J15 RUBI Slot Interrupt Steering J16 RUBI Slot Interrupt Steering J17 External SCSI Connector J13 SCSI Bus Termination Power J10 Internal St...

Страница 106: ...igure arrays and logical drives 10 Install software drivers for the desired operating systems Step 1 Unpack Unpack and install the hardware in a static free environment The PERC 3 is packed inside an anti static bag between two sponge sheets Remove the controller card and inspect it for damage If the card appears damaged or if any item listed below is missing contact your Dell support representati...

Страница 107: ...RAM clear 2 pin header J4 Serial erasable programmable read only memory EPROM 2 pin header J5 Serial port 3 pin header J6 Write pending 2 pin header J7 BIOS enable 2 pin header J8 User activity light emitting diode LED 4 pin connector J9 I2C connector 4 pin header J10 SCSI bus termination power 2 pin header J11 Internal straddle mount connector 68 pin connector J13 External SCSI connector 68 pin c...

Страница 108: ...3 shows the J9 connector pinout J5 Serial Port J5 is a 3 pin connector that attaches to a serial cable Table 8 4 displays the pinout for J5 Permanently disable all onboard SCSI termination Short pins 2 3 Permanently enable all onboard SCSI termination OPEN default Ta b l e 8 3 J9 I 2 C In t er fa c e C on n e c to r P i n o u t Pin Description 1 SDA 2 GND 3 SCL 4 VCC Tab l e 8 4 J 5 S e ria l Po r...

Страница 109: ...s 1 2 should always be shorted for J10 to enable onboard term power J15 RUBI Slot Interrupt Steering J15 is a 3 pin jumper You can short the pins for a standard PCI slot or a PCI RUBI slot The default is to have the jumper installed to short pins 1 and 2 Table 8 6 shows the pinout for J15 Ta ble 8 5 J8 Ha rd Dis k LED Pin Description 1 VCC through pull up 2 SCSI activity signal 3 SCSI activity sig...

Страница 110: ...ration Fig u re 8 2 E xa m pl e o f S C S I Te rm i n at i on For a disk array set SCSI bus termination so that removing or adding a SCSI device does not disturb termination An easy way to do this is to connect the PERC 3 SC card to one end of the SCSI cable and to connect an external terminator module at the other end of the cable The connectors between the two ends can connect SCSI devices Disab...

Страница 111: ...ate the other end of the SCSI bus by attaching an external SCSI terminator module to the end of the cable or by attaching a SCSI device that internally terminates the SCSI bus at the end of the SCSI channel Selecting a Terminator Use standard external SCSI terminators on a SCSI channel operating at 10 MB s or higher synchronous data transfer Terminating Internal SCSI Disk Arrays Set the terminatio...

Страница 112: ...dware Installation w w w d e l l c o m s u p p o r t d e l l c o m Figure 8 3 Te rm inat ion of In t er nal SCSI Disk Ar rays Termination Enabled ID2 ID0 Boot Drive No Termination ID1 No Termination PERC 3 SC SCSI ID 7 ...

Страница 113: ...ign the PERC 3 SC card bus connector to the slot Press down gently but firmly to make sure that the card is properly seated in the slot The bottom edge of the controller card should be flush with the slot Figure 8 4 shows PCI slots on a motherboard Fig u re 8 4 P C I S l o ts o n M o th e rb o ar d ...

Страница 114: ... t d e l l c o m Insert the PERC 3 SC card in a PCI slot as shown in Figure 8 5 Screw the bracket to the computer chassis Fig u re 8 5 I n s ta l l a tio n o f PERC 3 SC Card into M ot h er b oa rd 32 bit Slots 64 bit Slots 3 3 V 5 V Edge of Mother Board Bracket Screw ...

Страница 115: ... pin connector for Wide 16 bit SCSI Make sure all cables are properly attached and that the PERC 3 SC card is properly installed Fig u re 8 6 C o n n e ct i n g S C S I C a b l e s Connect SCSI Devices The cable length should not exceed 3 meters for Fast SCSI 10 MB s devices or single ended 1 5 meters for Ultra SCSI devices The cable length can be up to 12 meters for low voltage differential LVD d...

Страница 116: ...CSI no more than 1 5 meters for an 8 drive Ultra SCSI system and no more than 3 meters for a 6 drive Ultra SCSI system Use active termination Avoid clustering the cable nodes Note that cable stub length should be no more than 0 1 meter 4 inches Route SCSI cables carefully Use high impedance cables Do not mix cable types Choose either flat or rounded and shielded or non shielded Note that ribbon ca...

Страница 117: ...power cords Turn power on to the host computer Set up the power supplies so that the SCSI devices are powered up at the same time as or before the host computer If the computer is powered up before a SCSI device the device might not be recognized During boot the PERC 3 BIOS message appears PowerEdge Expandable RAID Controller BIOS Version x xx date Copyright c Dell Computer Corporation Firmware In...

Страница 118: ...nfiguration Utility or WebBIOS Utility Press Ctrl M to run the PERC 3 BIOS Configuration Utility or Ctrl H to run the WebBIOS Configuration Utility See Chapter 11 PERC 3 BIOS Configuration Utility for additional information about running the BIOS Configuration Utility WebBIOS is an HTML based utility See the WebBIOS Configuration Utility Guide for additional information about running the WebBIOS C...

Страница 119: ...ON 9 PERC 3 DC or PERC 3 DCL Hardware Installation Requirements PERC 3 DC Card Layout PERC 3 DCL Card Layout Installation Steps Replacing a PERC 3 DC Containing a BC Chip with a PERC 3 DC Containing a BE Chip ...

Страница 120: ...must be installed in a PCI expansion slot A host computer with an available 32 or 64 bit 5 V peripheral component interconnect PCI expansion slot The PERC 3 DC or PERC 3 DCL installation diskettes The necessary SCSI cables This depends on the number and type of SCSI devices to be attached Low voltage differential LVD or 160M SCSI hard drives Dell strongly recommends that you have an uninterruptibl...

Страница 121: ...igh Density 68 pin SCSI Connector J5 Channel 1 Internal High Density 68 pin SCSI Connector J16 J18 J19 J17 J13 J14 Density J15 Channel 1 External Ultra High 68 pin SCSI Connector Density J16 Channel 0 Terminator Power Enable J18 Channel 1 Power Enable J19 J8 Serial EPROM J9 Onboard BIOS Enable J10 NVRAM Clear J11 Serial Port Connector J13 Dirty Cache J14 SCSI Activity J17 I2C J11 J9 J10 J8 ...

Страница 122: ...CSI termination 5 Install the PERC 3 DC or PERC 3 DCL controller 6 Select and set target IDs for SCSI devices J7 Channel 0 External Ultra High 68 pin SCSI Connector J2 J3 J4 Channel 0 Internal High Density 68 pin SCSI Connector J5 Channel 1 Internal High Density 68 pin SCSI Connector J16 J18 J19 J17 J13 J14 Density J15 Channel 1 External Ultra High 68 pin SCSI Connector Density J16 Channel 0 Termi...

Страница 123: ...ing the controller Remove the system cover For information regarding removal of system covers please consult the system documentation Step 3 Set Jumpers Make sure the jumper settings on the PERC 3 DC or PERC 3 DCL card are correct The jumpers and connectors are shown in Table 9 1 Ta b l e 9 1 J u mp e r S e t ti n g s Connector Description Type J2 Channel 1 termination enable 3 pin header J3 Chann...

Страница 124: ... J13 Dirty cache Write Pending LED 2 pin header J14 SCSI activity LED 4 pin header J15 Channel 1 external Wide SCSI 68 pin connector J16 Channel 0 TERMPWR enable 2 pin header J17 I2C connector 4 pin header J18 Channel 1 TERMPWR enable 2 pin header Ta b l e 9 2 J2 a n d J 3 Te rm i n a ti o n E n a bl e S e tt i n g s Jumper SCSI Channel SCSI Termination Controlled by Software SCSI Termination Alwa...

Страница 125: ...Figure 9 3 display the pinout Fig u re 9 3 J 1 1 S e ria l Por t P i n o u t J13 Dirty Cache LED J13 is a two pin connector for an LED mounted on the computer enclosure The LED indicates when the data in the cache has yet to be written to the storage devices Table 9 6 displays the J13 pinout Ta ble 9 4 J 10 NVRAM Cl ea r Pi no ut Pin Description 1 Signal 2 GND Ta b le 9 5 J1 1 Serial Po rt Pinout ...

Страница 126: ...gs for J16 and J18 Table 9 6 J13 Dirt y Cache LED Pinout Pin Description 1 Signal pulled high 2 Dirty cache signal Ta ble 9 7 J14 SCSI Activity Pinout Pin Description 1 VCC 2 SCSI activity signal 3 SCSI activity signal 4 VCC Ta b le 9 8 J16 and J18 T ERMPWR Enabl e Sett ings Jumper Termination Power Channel Settings J16 0 Short pins 1 2 to have the PCI bus on the host computer provide TermPWR This...

Страница 127: ...t termination at both ends of the SCSI cable The SCSI bus is an electrical transmission line and must be terminated properly to minimize reflections and losses Termination should be set at each end of the SCSI bus as shown in the figures Terminating Internal SCSI Disk Arrays Set the termination so that SCSI termination and termination power are intact when any disk drive is removed from a SCSI cha...

Страница 128: ...f the SCSI bus The other end of the SCSI bus can be terminated by attaching an external SCSI bus terminator module to the end of the cable or by attaching a SCSI device that internally terminates the SCSI bus at the end of the SCSI channel Step 5 Install the PERC 3 DC or PERC 3 DCL Controller Choose a 3 3 V or 5 V PCI slot and align the PERC 3 DC or PERC 3 DCL bus connector to the slot Press down ...

Страница 129: ...PERC 3 DC or PERC 3 DCL Hardware Installation 127 Figure 9 5 I n stallation of th e PERC 3 DC and 3 DCL 64 bit Slots 5 V Edge of Mother Board Bracket Screw 32 bit Slots 5 V ...

Страница 130: ...om 0 to 6 only 16 bit devices can use the TIDs from 0 to 15 The arbitration priority for a SCSI device depends on its TID Step 7 Connect SCSI Cables Connect SCSI cables to SCSI devices PERC 3 DC or PERC 3 DCL provides internal SCSI connectors J4 and J5 which are the SCSI channel internal high density 68 pin connectors for Wide 16 bit SCSI PERC 3 DC or PERC 3 DCL also provides two external SCSI con...

Страница 131: ...e SCSI bus If the cable is terminated do not terminate SCSI devices 2 Configure all SCSI devices to supply TermPWR 3 Set proper target IDs TIDs for all SCSI devices 4 The cable length should not exceed 12 meters for LVD and 160M SCSI devices Cable Suggestions SCSI disk subsystem throughput can impaired if SCSI cabling is not optimized Dell suggests using the following Actively terminated cables De...

Страница 132: ...ev 6 Type PERC 3 DC Standard FW xwxx SDRAM 128MB Battery Module is Present on Adapter 0 Logical Drives found on the Host Adapter 0 Logical Drive s handled by BIOS Press Ctrl H to run WebBIOS Configuration Utility The PERC 3 BIOS Configuration Utility prompt times out after several seconds The PERC 3 DC or PERC 3 DCL host adapter controller number firmware version and cache SDRAM size display in th...

Страница 133: ...e driver is not updated to 5 30 or later before you switch controllers shut down the machine that will have its controller replaced 2 Replace the controller using the procedures in this chapter 3 Boot to Windows 4 When logging into Windows cancel the New Hardware Device Found prompts 5 Power down the machine 6 Power on the machine again 7 Log into Windows 8 Proceed to the Windows Device Manager Th...

Страница 134: ...Upgrade the existing driver from 5 22 1 or 5 22 2 to 5 30 or later 2 Shut down the machine in which you are going to replace the controller 3 Replace the controller using the procedures in this chapter 4 Boot to Windows When you log into Windows New Device Prompts appears 5 Load the driver if prompted ...

Страница 135: ...S EC T IO N 1 0 PERC 3 QC Hardware Installation Requirements PERC 3 QC Card Layout Installation Steps ...

Страница 136: ...ble 5 V 32 or 64 bit peripheral component interconnect PCI expansion slot The PERC 3 QC installation diskettes The necessary SCSI cables This depends on the number and type of SCSI devices to be attached Fast Ultra Ultra II and 160M SCSI hard drives Dell strongly recommends that you have an uninterruptible power supply UPS for the entire system Optional Equipment You may also want to install SCSI ...

Страница 137: ...19 Onboard BIOS Enable J20 For Manufacturing Use Only J6 SCSI Activity LED J4 Channel 0 Internal Wide SCSI J1 Channel 1 Internal Wide SCSI J22 Channel 2 3 External J2 J3 J5 J7 J9 J10 J1 J12 See List Above Speaker J14 Serial Port J9 Channel 0 TERMPWR Enable J10 Channel 1 TERMPWR Enable J11 Channel 2 TERMPWR Enable J12 Channel 3 TERMPWR Enable J2 Channel 0 Termination Enable J3 Channel 1 Termination...

Страница 138: ...es 7 Set the target IDs for the SCSI devices 8 Replace the computer cover and turn the power on Be sure the SCSI devices are powered up before or at the same time as the host computer 9 Run the PERC 3 QC Basic Input Output System BIOS Configuration Utility or WebBIOS Configuration Utility 10 Install software drivers for the desired operating systems Step 1 Unpack the PERC 3 QC Controller Unpack an...

Страница 139: ... 1 termination enable 3 pin header J4 Channel 0 internal Wide SCSI 68 pin connector J5 Channel 2 termination enable 3 pin header J6 SCSI activity light emitting diode LED 4 pin header J7 Channel 3 termination enable 3 pin header J9 Channel 0 TERMPWR enable 2 pin header J10 Channel 1 TERMPWR enable 2 pin header J11 Channel 2 TERMPWR enable 2 pin header J12 Channel 3 TERMPWR enable 2 pin header J13 ...

Страница 140: ...rmination Always Enabled J2 0 Short pins 1 2 Short pins 2 3 OPEN default J3 1 Short pins 1 2 Short pins 2 3 OPEN default J5 2 Short pins 1 2 Short pins 2 3 OPEN default J7 3 Short pins 1 2 Short pins 2 3 OPEN default Ta ble 10 3 J9 J10 J11 and J12 TERMPWR Enable Pinout Jumper Term Power Channel Settings J9 0 Short pins 1 2 to have the host PCI bus provide TermPWR This is the factory setting Leave ...

Страница 141: ...17 J19 Onboard BIOS Enable J19 is a 2 pin connector which enables or disables PERC 3 QC onboard BIOS The onboard BIOS should be enabled J19 unjumpered for normal board position Unjumpered is the default Table 10 6 displays the J19 settings Ta b l e 1 0 4 J 1 4 S er ial Po rt P i n o u t Pin Description Pin Description 1 Carrier detect 2 Data set ready 3 Receive data 4 Request to send 5 Transmit da...

Страница 142: ...to minimize reflections and losses Termination should be set at each end of the SCSI cable s as shown below Termination is always enabled regardless of the configuration However you can override this setting by setting another state The Dell default is termination by jumper Figure 10 3 displays an example of termination Table 10 6 J19 Onboar d BI OS Enable Sett ings J19 Setting Onboard BIOS Status...

Страница 143: ...rmination The SCSI bus is an electrical transmission line and it must be terminated properly to minimize reflections and losses You complete the SCSI bus by setting termination at both ends You can let PERC 3 QC automatically provide SCSI termination at one end of the SCSI bus You can terminate the other end of the SCSI bus by attaching an external SCSI terminator module to the end of the cable or...

Страница 144: ...isk Arrays Set the termination so that SCSI termination and termination power are intact when any disk drive is removed from a SCSI channel as shown in Figure 10 4 Figure 10 4 Te rminat ion of Internal SCSI Disk Ar rays ID2 ID0 No Termination ID1 Internal SCSI Drives Boot Drive No Termination Termination Enabled ...

Страница 145: ...n the PERC 3 QC bus connector to the slot Press down gently but firmly to make sure that the card is properly seated in the slot The bottom edge of the controller card should be flush with the slot Figure 10 5 displays the PCI slots on a motherboard Fig u re 1 0 5 P C I S l o ts o n M o th e rb o ar d ...

Страница 146: ...m s u p p o r t d e l l c o m Insert the PERC 3 QC card into a PCI slot as shown in Figure 10 6 Screw the bracket to the computer frame Figure 10 6 I n stallation of th e PERC 3 QC Card 64 bit Slots 5 V Edge of Mother Board 32 bit Slots 3 3 V Bracket Screw ...

Страница 147: ...e cable is connected to pin 1 on the PERC 3 QC card Figure 10 7 displays SCSI cables being connected to the card Fig u re 1 0 7 C o n n e ct i n g S C S I C a b l e s Connect SCSI Devices The cable length should not exceed three meters for Fast SCSI 10 MB s devices or three meters for a four drive Ultra2 SCSI drive system The cable length can be up to 12 meters for low voltage differential LVD dev...

Страница 148: ...See the documentation for each SCSI device to set the TIDs The PERC 3 QC controller automatically occupies TID 7 in the SCSI channel Eight bit SCSI devices can only use the TIDs from 0 to 6 16 bit devices can use the TIDs from 0 to 15 The arbitration priority for a SCSI device depends on its TID Step 8 Power on Host System Replace the computer cover and reconnect the AC power cords Turn power on t...

Страница 149: ...ize are displayed in the second portion of the BIOS message The numbering of the controllers follows the PCI slot scanning order used by the host motherboard Step 9 Run the PERC 3 BIOS Configuration Utility or WebBIOS Configuration Utility Press Ctrl M to run the PERC 3 BIOS Configuration Utility or Ctrl H to run the WebBIOS Configuration Utility See Chapter 11 PERC 3 BIOS Configuration Utility fo...

Страница 150: ...148 PERC 3 QC Hardware Installation w w w d e l l c o m s u p p o r t d e l l c o m ...

Страница 151: ... Choosing the Configuration Method Designating Drives as Hot Spares Using Easy Configuration Using New Configuration Using View Add Configuration Initializing Logical Drives Deleting Logical Drives Random Array Deletion Formatting Physical Drives Rebuilding Failed Disk Drives Using a Pre loaded SCSI Drive As is Exiting the PERC 3 BIOS Configuration Utility Setting Hardware Termination Clustering ...

Страница 152: ... 3 If the PERC 3 is replaced the new PERC 3 controller can detect the RAID configuration maintaining the integrity of the data on each drive even if the drives have changed target ID Perform the following steps to enable configuration on disk support 1 Press Ctrl M at the PERC 3 power on self test POST screen to run the BIOS Configuration Utility 2 Select Configure Menu View Add Configuration 3 Se...

Страница 153: ...nue the Management Menu screen displays See the next section BIOS Configuration Utility Management Menu Options for more information BIOS Configuration Utility Menu Options Table 11 1 describes the options for the BIOS Configuration Utility Management Menu The menu and sub menu options are explained in the following sections Ta ble 11 1 BIOS Confi gur at ion Utili ty Menu Opt ion s Option Descript...

Страница 154: ... e 1 1 2 C o n fi g u ra t i on M e n u O p tio n s Option Description Easy Configuration Select this method to perform a logical drive configuration where every physical array you define is automatically associated with exactly one logical drive New Configuration Select this method to discard the existing configuration information and to configure new arrays and logical drives In addition to prov...

Страница 155: ... to modify parameters You can install only one PERC 3 controller but you can install other PERC controllers Table 11 3 describes the Adapter menu options Ta ble 11 3 Adap t er Menu Opt ion s Option Description Clear Configuration Choose this option to erase the current configuration from the controller non volatile memory FlexRAID PowerFail Choose this option to enable or disable the FlexRAID Powe...

Страница 156: ...omplete Other Adapter Information Provides general information about the adapter such as the firmware version and BIOS version Factory Default Choose this option to load the default BIOS Configuration Utility settings Enable BIOS Choose this option to enable or disable the BIOS on the adapter If the boot device is on the RAID controller the BIOS must be enabled otherwise the BIOS should be disable...

Страница 157: ... capacity as determined by PERC Virtual sizing is not supported in cluster mode Set virtual sizing to Enabled before you add a physical drive to a logical drive Perform the following steps to enable virtual sizing 1 Select Objects Logical Drive 2 Select Logical Drive View Update Properties 3 Select View Update Properties Virtual Sizing Ta b l e 1 1 4 Log i c a l D ri v e M en u O p t io ns Option ...

Страница 158: ...the physical drives Ta b l e 1 1 5 P h y s i c al D ri v e Me n u O p ti on s Option Description Rebuild Rebuilds the selected physical drive Format Low level formats the selected disk drive Force Online Changes the state of the selected disk drive to online Force Offline Remove HSP Changes the state of the selected disk drive to offline Make HotSpare Designates the selected disk drive as a hot sp...

Страница 159: ...ange this setting PERC 3 automatically sets this option SCSI Transfer Rate Used to select the SCSI transfer rate The options are Fast Ultra Ultra 2 and 160M NOTE The disk transfer rate is set for each disk while the SCSI channel transfer rate controls the speed of the bus No matter how fast you set the disk transfer rate the speed depends on the SCSI channel transfer rate Ta b l e 1 1 7 B at te r ...

Страница 160: ...atting a hard drive destroys all data on the drive Because most SCSI disk drives are low level formatted at the factory this step is usually not necessary You must format a disk only if The disk drive was not low level formatted at the factory or An excessive number of media errors have been detected on the disk drive You do not have to choose Format to erase existing information on your SCSI disk...

Страница 161: ...ives 3 Press the spacebar to select or deselect a drive for consistency checking 4 Press F2 to select or deselect all the logical drives 5 Press F10 to begin the consistency check A progress indicator for each selected logical drive displays 6 When the check is finished press any key to clear the progress display Press Esc to display the Management Menu To check an individual drive you can select ...

Страница 162: ...ation Method Easy Configuration In Easy Configuration each physical array you create is associated with exactly one logical drive and you can modify the following parameters RAID level Stripe size Write policy Read policy I O policy If logical drives have already been configured when you select Easy Configuration the configuration information is not disturbed New Configuration In New Configuration...

Страница 163: ...e 11 8 displays the default settings for PERC 3 QC and PERC 3 DC NOTE In cluster mode PERC 3 DC allows write through cache policy only PERC 3 SC and PERC 3 DCL Default Settings Table 11 9 displays the default settings for PERC 3 SC and PERC 3 DCL Ta ble 11 8 PERC 3 QC a n d P ERC 3 DC D ef ault Set tings Stripe size 64 KB Write policy Write back Read ahead policy Adaptive Cache policy Direct I O F...

Страница 164: ...C 3 controller supports up to eight hot spares The methods for designating physical drives as hot spares are Pressing F4 while creating arrays in Easy New or View Add Configuration mode or Using the Objects Physical Drive menu Press F4 When you choose any configuration option a list of all physical devices connected to the current controller appears Perform the following steps to designate a drive...

Страница 165: ...ve Perform the following steps to create arrays using Easy Configuration 1 Choose Configure from the Management Menu The Configure options menu displays 2 Choose Configure Easy Configuration The array selection menu appears Hot key information displays at the bottom of the screen The hot key functions are F2 Display the manufacturer data and error count for the selected drive F3 Display the logica...

Страница 166: ...LIN A2 3 means disk drive 3 in array 2 5 Add physical drives to the current array as desired The number of physical drives in a specific array determines the RAID levels that can be implemented with the array RAID 0 requires one or more physical drives RAID 1 requires exactly two physical drives RAID 5 requires at least three physical drives RAID 10 requires at least four physical drives RAID 50 r...

Страница 167: ...ows the logical drive that is currently being configured as well as any existing logical drives The column headings are LD The logical drive number RAID The RAID level Size The logical drive size Stripes The number of stripes physical drives in the associated physical array StrpSz The stripe size DriveState The state of the logical drive 9 Highlight RAID and press Enter The available RAID levels f...

Страница 168: ...t when the disk subsystem has received all the data in a transaction This is the default setting if cluster mode is enabled Write through caching has a data security advantage over write back caching Write back caching has a performance advantage over write through caching 13 Set the Read Policy from the Advanced Menu The Read ahead option enables the SCSI read ahead feature for the logical drive ...

Страница 169: ...3 supports up to forty logical drives per controller 18 If you are finished configuring logical drives press Esc to exit Easy Configuration A list of the currently configured logical drives appears 19 Save the configuration at the prompt After you respond to the Save prompt the Configure menu appears 20 Initialize the logical drives you have just configured Using New Configuration The New Configur...

Страница 170: ... an array all drives in the array are treated as if they have the capacity of the smallest drive in the array 2 Press the arrow keys to choose specific physical drives 3 Press the spacebar to associate the selected physical drive with the current array The indicator for the selected drive changes from READY to ONLINE A array number drive number For example ONLINE A2 3 means disk drive 3 in array 2...

Страница 171: ...splays the array and array number such as A 00 6 Press the spacebar to select the array Span information such as Span 1 displays in the array box You can create multiple arrays then select them to span them NOTE You can press F2 to display the number of drives in the array their channel and ID and F3 to display array information such as the stripes slots and free space 7 Press F10 to configure a l...

Страница 172: ... an explanation of the RAID levels 10 Set the spanning mode for the current logical drive 11 Highlight Span and press Enter The choices are CanSpan Array spanning is enabled for the current logical drive The logical drive can occupy space in more than one array NoSpan Array spanning is disabled for the current logical drive The logical drive can occupy space in only one array PERC 3 supports spann...

Страница 173: ...u are sure that your computer does random read requests more often select a small stripe size The default stripe size is 64 KB 17 Set the Write Policy Write Policy sets the caching method to write back or write through In Write back caching the controller sends a data transfer completion signal to the host when the controller cache has received all the data in a transaction This setting is recomme...

Страница 174: ...al drive It does not affect the read ahead cache Cached I O specifies that all reads are buffered in cache memory Direct I O specifies that reads are not buffered in cache memory This is the default setting Direct I O does not override the cache policy settings Data is transferred to cache and the host concurrently If the same data block is read again it comes from cache memory 20 Press Esc to exi...

Страница 175: ...he arrays using View Add Configuration 1 Choose Configure from the Management Menu The Configure menu options display 2 Choose Configure View Add Configuration An array selection window displays the devices connected to the current controller Hot key information appears at the bottom of the screen The hot key functions are F2 Display the manufacturer data and PERC 3 error count for the selected dr...

Страница 176: ... as desired The number of physical drives in a specific array determine the RAID levels that can be implemented with the array NOTE Dell does not recommend using RAID 0 in the cluster environment RAID 0 is not redundant and provides no data protection RAID 0 requires one or more physical drives per array RAID 1 requires two physical drives per array RAID 5 requires at least three physical drives p...

Страница 177: ...red and any existing logical drives are displayed The column headings are LD The logical drive number RAID The RAID level Size The logical drive size Stripes The number of stripes physical drives in the associated physical array StrpSz The stripe size Drive State The state of the logical drive 9 Highlight RAID and press Enter The available RAID levels for the current logical drive appear 10 Select...

Страница 178: ...ves If the two criteria for spanning are met PERC 3 automatically activates spanning If the criteria are not met the span setting makes no difference for the current logical drive 12 Highlight a spanning option and press Enter 13 Set the logical drive size 14 Move the cursor to Size and press Enter By default the logical drive size is set to all available space in the array s associated with the c...

Страница 179: ... that the controller does not use read ahead for the current logical drive Read ahead specifies that the controller uses read ahead for the current logical drive Adaptive specifies that the controller begins using read ahead if the two most recent disk accesses occurred in sequential sectors If all read requests are random the algorithm reverts to No Read Ahead however all requests are still evalu...

Страница 180: ...ent Menu lets you initialize up to eight logical drives simultaneously Individual Initialization The Objects Logical Drive action menu for an individual logical drive has an Initialize option Batch Initialization To initialize logical drives using the batch initialization procedure 1 Choose Initialize from the BIOS Configuration Utility Management Menu A list of the current logical drives appears ...

Страница 181: ...ed to sequential or contiguous logical drives when you create logical drives You can use non contiguous segments to create logical drives After you delete a logical drive you can create a new one You can use the configuration utilities to create the next logical drive from the non contiguous free space holes and from the newly created arrays The configuration utility provides a list of configurabl...

Страница 182: ...l Drives from the Management Menu 2 Select the Physical Drives option and choose a device 3 Press F2 The View Drive Information screen displays The error count displays at the bottom of the properties screen If you feel that the number of errors is excessive you should probably format the disk drive If more than 32 media errors were detected PERC 3 automatically puts the drive in FAIL state This o...

Страница 183: ...tion prompt The indicators for the selected drives changes to FRMT number where number reflects the order of drive selection Formatting may take some time depending on the number of drives you have selected and the drive capacities 5 When formatting is complete press any key to continue 6 Press Esc to display the Management Menu Individual Formatting 1 Choose Objects Physical Drive from the Manage...

Страница 184: ...onfirmation prompt Rebuilding can take some time depending on the drive capacity 4 When rebuild completes press any key to display the previous menu Manual Rebuild Batch Mode Perform the following steps to rebuild drives in batch mode 1 Choose Rebuild from the Management Menu Ta b l e 1 1 1 0 Re b u i l d Typ e s Type Description Automatic Rebuild If you have configured hot spares PERC 3 automatic...

Страница 185: ...ed to This will make the drive ID 0 LUN 0 If the drive is not a boot device the logical drive number is not critical You may have a SCSI hard drive that is already loaded with software The drive may be a boot disk containing an operating system If so add the PERC device driver to this system drive before you switch to the PERC 3 and attempt to boot from it You can use the PERC 3 controller as a SC...

Страница 186: ...splays 2 Choose Yes at the prompt 3 Reboot the computer The PERC 3 BIOS message appears again 4 Press Esc when the BIOS Configuration Utility prompt appears Setting Hardware Termination If you are using the PERC 3 DC for clustering you must use hardware termination Otherwise software termination may be used The headers used for SCSI termination are J2 Termination Enable is a three pin header that ...

Страница 187: ...m Cluster Mode You can use the PERC BIOS Configuration Utility to enable or disable cluster mode When you enable cluster mode the system operates in cluster mode When you disable cluster mode the system operates in standard mode The following section explains how to do this NOTE You can ignore this section on enabling and disabling cluster mode if you do not use clustering Enabling and Disabling t...

Страница 188: ... mode is disabled 4 To change Cluster Mode from disabled to enabled select Cluster Mode A dialog box displays for you to choose to enable Cluster Mode 5 Select Enable After you select Enable a dialog box displays for you to confirm your choice to change the parameter 6 Select Yes to confirm Cluster Mode changes to enabled 7 After you enable Cluster Mode move the cursor to Initiator ID to change th...

Страница 189: ...ng Dell Manager Dell Manager Menu Options Designating Drives as Hot Spares Parameters Initializing Logical Drives Deleting Logical Drives Random Array Deletion Formatting Physical Drives Rebuilding Failed Disk Drives Exiting Dell Manager ...

Страница 190: ...AID systems Dell Manager runs under Novell NetWare 5 x 6 x and Red Hat Linux 7 x To start Dell Manager from any directory make sure the program file is in the usr sbin directory Type the command shown in Table 12 1 The first Dell Manager screen displays the Management Menu Ta b l e 1 2 1 C o m ma n d Use d to S t ar t D e l l M a n ag e r In Type this Red Hat Linux Novell NetWare Dellmgr ...

Страница 191: ...e following steps to prepare the system to use Dell Manager in Red Hat Linux GUI mode 1 Start the Terminal 2 Before you enter dellmgr to start Dell Manager type the following commands TERM linux Export TERM Ta b l e 1 2 2 M a na g e me n t M e n u O p tio n s Option Description Initialize Select this option to initialize one or more logical drives Objects Select this option to individually access ...

Страница 192: ...ngs for each object The Objects menu options are described in Table 12 3 Adapter Select Objects Adapter select a PERC controller if your computer has more than one and modify parameters You can install only one PERC 3 controller but you can install other PERC controllers in the computer Table 12 3 displays the Adapter menu options Ta ble 12 3 Adap t er Menu Opt ion s Option Description FlexRAID Po...

Страница 193: ...e done for every logical drive you configure Check Consistency Select this option to verify the correctness of the redundancy data in the selected logical drive This option is available only if RAID level 1 or 5 is used PERC 3 automatically corrects any differences found in the data View Update Parameters Select this option to display the properties of the selected logical drive You can modify the...

Страница 194: ...Choose this option to rebuild the selected physical drive Format Choose this option to low level format the selected physical drive Force Online Choose this option to change the state of the selected physical drive to online Force Offline Choose this option to change the state of the selected physical drive to offline Prepare to Remove Choose this option before you remove a physical drive from an ...

Страница 195: ...ination Termination Choose this option to set the type of termination Ta b l e 1 2 8 B a tt er y B a ck u p M e n u Ite m s Menu Item Explanation Backup Module PRESENT will appear if there is a battery module ABSENT if there is not Battery Pack PRESENT will appear if the battery pack is properly installed ABSENT if it is not Temperature GOOD appears if the temperature is within the normal range HI...

Страница 196: ...ted on the disk drive You do not need to use the Format option if you simply want to erase existing information on your SCSI disks such as a DOS partition That information is erased when you initialize the logical drive s No of Cycles This must be configured When first installing a battery pack set the Charge Cycle to 0 The dialog box below appears when you select No of Cycles Choose YES to reset ...

Страница 197: ... consistency check A progress indicator for each selected logical drive appears 5 When the consistency check is finished press any key to clear the progress display 6 Press Esc to display the Management Menu Reconstruct Menu You can select or deselect a logical drive to be recreated using this option Choose this option before you add or remove a physical drive Designating Drives as Hot Spares Hot ...

Страница 198: ...lly if your computer does mostly sequential reads If you are sure that your computer does random reads more often select a small stripe size The default stripe size is 64 KB Write Policy specifies the cache write policy You can set the write policy to write back or write through In Write back caching the controller sends a data transfer completion signal to the host when the controller cache has r...

Страница 199: ...ently If the same data block is read again it comes from cache memory Initializing Logical Drives You should initialize each new logical drive you configure You can initialize the logical drives in two ways Batch Initialization The Initialize option on the Management Menu lets you initialize up to eight logical drives simultaneously Individual Initialization The Objects Logical Drive action menu f...

Страница 200: ...ves and use that space for a new logical drive NOTE For more information about random array deletion refer to page 99 The main benefit of random array deletion on the configuration module is that you are not restricted to sequential or contiguous logical drives when you create logical drives You can use non contiguous segments to create logical drives After you delete a logical drive you can creat...

Страница 201: ...w level formatted at the factory or An excessive number of media errors have been detected on the disk drive Media Errors Perform the following steps to check the properties screen for media errors for the drive you wish to format 1 Select Physical Drive Objects 2 Press the arrow keys to select the desired drive 3 Press F2 The error count appears at the bottom of the properties screen If you feel ...

Страница 202: ...sical drives press F10 4 Select Yes to the confirmation prompt to begin formatting The indicators for the selected drives change to FRMT number where number reflects the drive selection order Formatting can take some time depending on the number of drives you have selected and the drive capacities 5 When formatting is complete press any key to continue 6 Press Esc to display the Management Menu In...

Страница 203: ...ow keys to select the physical drive to be rebuilt and press Enter 3 Choose Rebuild from the physical drive action menu and respond to the confirmation prompt Rebuilding can take some time depending on the drive capacity 4 When rebuild completes press any key to display the previous menu Ta b l e 1 2 9 Re b u i l d Typ e s Type Description Automatic Rebuild If you have configured hot spares PERC 3...

Страница 204: ...elect the drives to be rebuilt 3 After you select the physical drives press F10 4 Type Yes at the confirmation prompt The indicators for the selected drives change to REBLD Rebuilding can take some time depending on the number of drives you have selected and their capacities 5 When rebuild is complete press any key to continue 6 Press Esc to display the Management Menu Exiting Dell Manager To exit...

Страница 205: ...S EC T IO N 1 3 Troubleshooting Overview BIOS Boot Error Messages Other BIOS Error Messages Other Potential Problems Audible Warnings ...

Страница 206: ...at the drive Rebuild the drive If the drive continues to fail replace the drive with another drive with the same capacity Also check the SCSI cables Pressed Ctrl M and tried to make a new configuration The system hangs when scanning devices Check the drives IDs on each channel to make sure each device has a different ID Check the termination The device at the end of the channel must be terminated ...

Страница 207: ...ay still get a drive assignment To maintain the integrity of the DOS path statement Ta ble 13 2 BI OS Boot Err o r Message s Message Problem Suggested Solution Adapter BIOS Disabled No Logical Drives Handled by BIOS The PERC 3 BIOS is disabled Sometimes the BIOS is disabled to prevent booting from the BIOS This is the default when cluster mode is enabled Enable the BIOS by pressing Ctrl M at the b...

Страница 208: ...en disks and NVRAM on the adapter after creating a new configuration Some legacy configurations in the drives cannot be cleared Clear the configuration Low level format the related drives and re create the configuration 1 Logical Drive Failed A logical drive failed to sign on Make sure all physical drives are properly connected and are powered on Run the BIOS Configuration Utility to find out if a...

Страница 209: ...if any physical drives are not responding Reconnect replace or rebuild any drive that is not responding Insufficient memory to run BIOS Press any key to continue Not enough PERC 3 memory to run PERC 3 BIOS Make sure PERC 3 cache memory has been properly installed Insufficient Memory Not enough memory on the PERC 3 adapter to support the current configuration Make sure PERC 3 cache memory has been ...

Страница 210: ...he current configuration Reconfigure the array Following SCSI IDs have the same data y z Channel x a b c The physical drive roaming feature found the same data on two or more physical drives on channel x with SCSI IDs a b and c PERC 3 cannot determine the drive that has the duplicate information Remove the drive or drives that should not be used Unresolved configuration mismatch between disks and ...

Страница 211: ... failure poor cabling bad termination or signal loss Virtual sizing The virtual sizing option enables RAID expansion Virtual sizing must be enabled to increase the size of a logical drive or add a physical drive to an existing logical drive To enable virtual sizing run the BIOS Configuration Utility by pressing Ctrl M at bootup Select Objects Logical Drive Then select View Update Parameters Set vi...

Страница 212: ...conds on and one second off A logical drive is offline One or more drives in a RAID 0 configuration failed Two or more drives in a RAID 1 or 5 configuration failed One second on and one second off A logical drive is running in degraded mode One drive in a RAID 5 configuration failed One second on and three seconds off An automatically initiated rebuild has been completed While you were away from t...

Страница 213: ...S EC T IO N 1 4 Appendix A SCSI Cables and Connectors Visit Dell s web site at www dell com for information about qualified SCSI cables and connectors or contact your Dell representative for information ...

Страница 214: ...212 Appendix A SCSI Cables and Connectors w w w d e l l c o m s u p p o r t d e l l c o m ...

Страница 215: ...S EC T IO N 1 5 Appendix B Warranties and Return Policy ...

Страница 216: ...Damage due to shipping the products to you is covered under this limited warranty Otherwise this limited warranty does not cover damage due to external causes including accident abuse misuse problems with electrical power servicing not authorized by Dell usage not in accordance with product instructions failure to perform required preventive maintenance and problems caused by use of parts and comp...

Страница 217: ...ucts Dell uses new and reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products If Dell repairs or replaces a product its warranty term is not extended THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE OR JURISDICTION TO JURISDICTION DELL S RESPONSIBILITY FOR MALFUNCTIONS...

Страница 218: ...e expiration of the warranty period in order for the repair s to be covered by the limited warranty Two Year Limited Warranty U S Only Dell Computer Corporation Dell manufactures its hardware products from parts and components that are new or equivalent to new in accordance with industry standard practices Dell warrants that the hardware products it manufactures will be free from defects in materi...

Страница 219: ...e s and any other storage device s in the product s Remove any removable media such as diskettes CDs or PC Cards Dell does not accept liability for lost data or software During the one year period beginning on the invoice date Dell will repair or replace products covered under this limited warranty that are returned to Dell s facility To request warranty service you must contact Dell s Customer Te...

Страница 220: ...S where applicable Shipments to other locations where applicable will be made freight collect Dell will include a prepaid shipping container with each replacement part for your use in returning the replaced part to Dell Replacement parts are new or reconditioned Dell may provide replacement parts made by various manufacturers when supplying parts to you The warranty term for a replacement part is ...

Страница 221: ...OU DELL DOES NOT ACCEPT LIABILITY BEYOND THE REMEDIES SET FORTH IN THIS LIMITED WARRANTY STATEMENT OR LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING WITHOUT LIMITATION ANY LIABILITY FOR PRODUCTS NOT BEING AVAILABLE FOR USE OR FOR LOST DATA OR SOFTWARE SOME STATES OR JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE PRECEDING EXCLUSION...

Страница 222: ...usage not in accordance with product instructions failure to perform required preventive maintenance and problems caused by use of parts and components not supplied by Dell This limited warranty does not cover any items that are in one or more of the following categories software external devices except as specifically noted accessories or parts added to a Dell system after the system is shipped f...

Страница 223: ...s removed from repaired products Dell uses new and reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products If Dell repairs or replaces a product its warranty term is not extended Limited Warranty Coverage During Years Two and Three During the second and third years of this limited warranty Dell will provide on an exchange basis and subject...

Страница 224: ...DWARE IS LIMITED TO REPAIR AND REPLACEMENT AS SET FORTH IN THIS LIMITED WARRANTY STATEMENT ALL EXPRESS AND IMPLIED WARRANTIES FOR THE PRODUCT INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF AND CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE WARRANTY PERIOD SET FORTH ABOVE AND NO WARRANTIES WHETHER EXPRESS OR IMPLIED WILL APPLY AFTER SUCH PE...

Страница 225: ... following text Damage due to shipping the products to you is covered under this limited warranty Otherwise this limited warranty does not cover damage due to external causes including accident abuse misuse problems with electrical power servicing not authorized by Dell usage not in accordance with product instructions failure to perform required preventive maintenance and problems caused by use o...

Страница 226: ...ble Shipments to other locations will be made freight collect Dell owns all parts removed from repaired products Dell uses new and reconditioned parts made by various manufacturers in performing limited warranty repairs and building replacement products If Dell repairs or replaces a product its limited warranty term is not extended Limited Warranty Coverage During Years Two Three and Four During t...

Страница 227: ...AND REPLACEMENT AS SET FORTH IN THIS LIMITED WARRANTY STATEMENT ALL EXPRESS AND IMPLIED WARRANTIES FOR THE PRODUCT INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF AND CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED IN DURATION TO THE LIMITED WARRANTY PERIOD SET FORTH ABOVE AND NO WARRANTIES WHETHER EXPRESS OR IMPLIED WILL APPLY AFTER SUCH PERIOD SOME STATES OR...

Страница 228: ...anty term is one year beginning on the date of invoice as further described in the following text Damage due to shipping the products to you is covered under this limited warranty Otherwise this limited warranty does not cover damage due to external causes including accident abuse misuse problems with electrical power servicing not authorized by Dell usage not in accordance with product instructio...

Страница 229: ...s Dell uses new and reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products If Dell repairs or replaces a product its warranty term is not extended DELL MAKES NO EXPRESS WARRANTIES OR CONDITIONS BEYOND THOSE STATED IN THIS LIMITED WARRANTY STATEMENT DELL DISCLAIMS ALL OTHER WARRANTIES AND CONDITIONS EXPRESS OR IMPLIED INCLUDING WITHOUT LIM...

Страница 230: ...epair prior to the expiration of the warranty period in order for the repair s to be covered by the limited warranty Two Year Limited Warranty Canada Only Dell Computer Corporation Dell manufactures its hardware products from parts and components that are new or equivalent to new in accordance with industry standard practices Dell warrants that the hardware products it manufactures will be free fr...

Страница 231: ... hard drive s and any other storage device s in the product s Remove any removable media such as diskettes CDs or PC Cards Dell does not accept liability for lost data or software During the one year period beginning on the invoice date Dell will repair or replace products covered under this limited warranty that are returned to Dell s facility To request warranty service you must contact Dell s C...

Страница 232: ...ts are new or reconditioned Dell may provide replacement parts made by various manufacturers when supplying parts to you The warranty term for a replacement part is the remainder of the limited warranty term You will pay Dell for replacement parts if the replaced part is not returned to Dell The process for returning replaced parts and your obligation to pay for replacement parts if you do not ret...

Страница 233: ...Y TO YOU These provisions apply to Dell s two year limited warranty only For provisions of any service contract covering your system see your invoice or the separate service contract that you will receive If Dell elects to exchange a system or component the exchange will be made in accordance with Dell s Exchange Policy in effect on the date of the exchange In any instance in which Dell issues a R...

Страница 234: ...s and mice including those sold through the Dell Software and Peripherals program are not covered Batteries for portable computers are covered only during the initial one year period of this limited warranty Limited Warranty Coverage During Year One During the one year period beginning on the invoice date Dell will repair or replace products covered under this limited warranty that are returned to...

Страница 235: ...p parts freight prepaid if you use an address in Canada where applicable Shipments to other locations will be made freight collect Dell will include a prepaid shipping container with each replacement part for your use in returning the replaced part to Dell Replacement parts are new or reconditioned Dell may provide replacement parts made by various manufacturers when supplying parts to you The war...

Страница 236: ... Number To expedite the processing of your refund or credit Dell expects you to return the products to Dell in their original packaging within five days of the date that Dell issues the Credit Return Authorization Number You must also prepay shipping charges and insure the shipment or accept the risk of loss or damage during shipment You may return software for refund or credit only if the sealed ...

Страница 237: ...to defects resulting from improper or inadequate installation use or maintenance actions or modifications by unauthorized third parties or the end user accidental or willful damage or normal wear and tear Making a Claim Claims must be made in Latin America or the Caribbean by contacting the Dell point of sale within the guarantee period The end user must always supply proof of purchase indicating ...

Страница 238: ... or consequential loss arising from negligence breach of contract or howsoever This Guarantee does not impair or affect mandatory statutory rights of the end user against and or any rights resulting from other contracts concluded by the end user with Dell and or any other seller Dell World Trade LP One Dell Way Round Rock TX 78682 USA Dell Computadores do Brasil Ltda CNPJ No 72 381 189 0001 10 Del...

Страница 239: ...ing by a logical drive combines storage space in two arrays of hard drives into a single contiguous storage space in a logical drive The logical drive can span consecutively numbered arrays each having the same number of hard drives Array spanning promotes RAID level 1 to RAID level 10 See also Disk Spanning and Spanning Asynchronous Operations Operations that are not related to each other in time...

Страница 240: ...istency Check An examination of the disk system to determine whether all conditions are valid for the specified configuration such as parity Cold Swap A cold swap requires that you turn the power off before replacing defective hard drive in a disk subsystem Data Transfer Capacity The amount of data per unit time moved through a channel For disk I O bandwidth is expressed in megabytes per second MB...

Страница 241: ...ta reliability than any of its member disks Disk Subsystem A collection of disks and the hardware that connects them to one or more host computers The hardware can include an intelligent controller or the disks can attach directly to a host computer Double Buffering A technique that achieves maximum data transfer bandwidth by constantly keeping two I O requests for adjacent data outstanding A soft...

Страница 242: ... Hot Spare A stand by drive ready for use if another drive fails It does not contain any user data Up to eight hard drives can be assigned as hot spares for an adapter A hot spare can be dedicated to a single redundant array or it can be part of the global hot spare pool for all arrays controlled by the adapter Hot Swap The substitution of a replacement unit in a disk subsystem for a defective one...

Страница 243: ...cal drive is spread across all the physical drives in the array or spanned arrays Configure at least one logical drive for each array Mapping The conversion between multiple data addressing schemes especially conversions between member disk block addresses and block addresses of the virtual disks presented to the operating environment by Array Management Software Megabyte MB An abbreviation for 1 ...

Страница 244: ...me Physical Drive A hard drive that stores data A hard drive consists of one or more rigid magnetic discs rotating about a central axle with associated read write heads and electronics Physical Drive Roaming The ability of some adapters to detect when hard drives have been moved to a different slots in the computer for example after a hot swap Protocol A set of formal rules describing how to trans...

Страница 245: ...capability in some adapters that allows them to read sequentially ahead of requested data and store the additional data in cache memory anticipating that the additional data will be needed soon Read Ahead supplies sequential data faster but is not as effective when accessing random data Ready State A condition in which a workable hard drive is neither online nor a hot spare and is available to add...

Страница 246: ...ransfer Ultra 160M SCSI is a subset of Ultra3 SCSI and allows a maximum throughput of 160 MB s which is more than twice as fast as Wide Ultra2 SCSI Service Provider The Service Provider SP is a program that resides in the desktop system or server and is responsible for all Desktop Management Interface DMI activities This layer collects management information from products whether system hardware p...

Страница 247: ...each logical drive A larger stripe size produces improved read performance especially if most of the reads are sequential For mostly random reads select a smaller stripe size Stripe Width The number of drives across which data is striped Terminator A resistor connected to a signal wire in a bus or network for impedance matching to prevent reflections e g a resistor connected across signal wires at...

Страница 248: ...246 Glossary w w w d e l l c o m s u p p o r t d e l l c o m ...

Страница 249: ...ions 151 153 Objects Menu 153 Rebuild Menu 158 Starting 150 BIOS Error Messages Other 208 C Cables SCSI 102 104 113 114 118 128 134 136 146 204 Cache I O 238 Cache Memory 59 70 79 Cache Policy 87 161 166 172 177 192 197 Channel 238 Cluster 65 154 155 161 166 185 186 Cluster Mode 154 155 185 186 Enabling and Disabling 185 Initiator ID 154 155 186 Cold Swap 238 Configuration Features 54 55 64 74 Con...

Страница 250: ...Hardware Architecture Features 56 66 76 Hardware Installation 101 117 133 Installation Steps 103 136 Hardware Requirements 54 64 74 Hardware Termination 184 Host Computer 240 Host based Array 240 Hot Spares 37 162 195 240 Creating 93 Designating Drives as 162 195 Hot Swap 39 240 I I O Driver 240 IDE 240 Initialization 153 179 241 Batch 178 197 Individual 178 179 197 198 Logical Drives 178 180 199 ...

Страница 251: ...k Roaming 242 Physical Drives 84 87 95 180 Formatting 180 199 Media Errors 180 199 Pre loaded SCSI Drive Using As Is 183 Protocol 242 R RAID 24 25 29 32 34 39 41 43 45 51 54 55 58 59 61 62 64 65 69 71 72 74 75 78 79 81 82 84 87 92 99 108 115 123 130 146 150 152 155 159 160 162 164 171 174 176 180 182 188 189 191 195 196 201 209 210 242 Levels 31 41 54 59 64 69 74 79 98 Management 61 72 81 Overview...

Страница 252: ...81 Termination 59 60 69 71 79 80 105 108 109 122 125 138 141 Serial Port 59 60 69 70 79 80 106 123 124 139 Service Provider 244 SMART Technology 55 65 75 SNMP 244 Software Utilities 77 Spanning 244 Spare 244 Stripe Size 33 57 61 67 71 81 87 161 166 196 245 Stripe Width 245 Striping 245 T Termination 59 60 69 71 79 80 105 108 121 122 125 126 137 138 140 157 184 193 Hardware 184 SCSI 59 60 69 71 79 ...

Страница 253: ......

Страница 254: ...w w w d e l l c o m s u p p o r t d e l l c o m Printed in the U S A P N 5C229 Rev A04 ...

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