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Glossary of Terms and Abbreviations

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Содержание ServeRAID M5025

Страница 1: ...ServeRAID M5025 SAS SATA Controller USER S GUIDE S e p t e m b e r 2 0 1 1...

Страница 2: ...September 2011 Copyright International Business Machines Corporation 2011 All rights reserved US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contra...

Страница 3: ...ID MR Software User s Guide For information about the operating system drivers refer to the ServeRAID MR Device Driver Installation User s Guide Audience This document assumes that the reader is famil...

Страница 4: ...Introduction to the Intelligent Battery Backup Unit describes the iBBU model and explains how it operates Chapter 5 Installing the Intelligent Battery Backup Unit explains how to install the iBBU mod...

Страница 5: ...ed to them IBM Systems Safety Notices IBM Document Number G229 9054 01 This book contains safety notices from IBM Systems documentation The safety notices include danger and caution notices Notices an...

Страница 6: ...n tially lethal or extremely hazardous to you A danger statement is placed just before the description of a potentially lethal or extremely hazardous procedure step or situation Revision History IBM C...

Страница 7: ...ting plate Connect any equipment that will be attached to this product to properly wired outlets When possible use one hand only to connect or disconnect signal cables Never turn on any equipment when...

Страница 8: ...ectronic components such as the microprocessor You can do so by touching an unpainted metal surface such as the metal around the card slot openings at the back of the computer As you continue to work...

Страница 9: ...PCI Express Architecture 1 8 1 5 2 Operating System Support 1 8 1 6 Summary of the ServeRAID M5025 SAS SATA Controller Characteristics 1 9 1 6 1 SAS Features 1 10 1 6 2 SAS Array Limitations 1 10 1 6...

Страница 10: ...nce Features 3 5 3 3 3 Fault Tolerance 3 5 3 3 4 Power Supply Requirements for the ServeRAID M5025 SAS SATA Controller 3 6 3 3 5 Operating and Non operating Conditions 3 7 3 3 6 Safety Characteristics...

Страница 11: ...11 Setting the Learn Cycle Properties 6 12 Starting a Learn Cycle Manually 6 12 6 2 Replacing the Battery Backup Unit 6 13 6 3 Resolving a Configuration Mismatch 6 13 Chapter 7 Intelligent Battery Bac...

Страница 12: ...xii Contents...

Страница 13: ...roller 3 2 5 1 Intelligent Battery Backup Unit 5 2 5 2 Installing the iBBU Daughtercard on the ServeRAID M5025 SAS SATA Controller 5 4 5 3 Installing the ServeRAID M5025 SAS SATA Controller 5 5 5 4 Co...

Страница 14: ...xiv Contents...

Страница 15: ...roller Specifications 3 4 3 4 Array Performance Features 3 5 3 5 Fault Tolerance Features 3 6 3 6 Power Supply for the ServeRAID M5025 Controller 3 7 6 1 Display BBU Information 6 7 6 2 Display BBU St...

Страница 16: ...xvi Contents...

Страница 17: ...upport 1 1 Overview The ServeRAID M5025 Serial Attached SCSI SAS Serial ATA II SATA II controller is a high performance intelligent PCI Express to SAS SATA II adapter with RAID control capabilities Th...

Страница 18: ...or mount it remotely in the chassis and connect it to the controller with a cable Note You must charge the battery before use See Chapter 4 Introduction to the Intelligent Battery Backup Unit for mor...

Страница 19: ...SAS SATA ports through two x4 SAS external connectors 1 2 1 Controller Limitations The ServeRAID M5025 controller has the following limitations You can connect only one device per SAS PHY unless you u...

Страница 20: ...featured hardware based RAID implementation The LSISAS2108 ROC device integrates a high speed DDR DDR2 SDRAM interface with a hardware RAID assist engine for parity calculations The LSISAS2108 ROC dev...

Страница 21: ...uration In this configuration use the RAID controller as a high end SATA II compatible controller that connects up to eight disks either directly or through a port expander This configuration is mostl...

Страница 22: ...sh ROM SAS PCI Express RAID Controller SAS SATA II Device 32 Bit Memory Address Data Bus PSBRAM I2 C SAS SATA II Device SAS SATA II Device SAS SATA II Device PCI Express Interface I2C Interface NVSRAM...

Страница 23: ...ombines the advantages of SATA II SCSI and Fibre Channel and is the future mainstay of the enterprise and high end workstation storage markets SAS offers a higher bandwidth per pin than parallel SCSI...

Страница 24: ...without slowing down the central processing unit CPU You can install the ServeRAID M5025 PCI Express RAID controller in PCI Express computer systems with a standard bracket type With these adapters in...

Страница 25: ...AID M5025 controller offers the following features PCI Express x8 lane width PCI Express performance up to 5 Gbits s per lane Support for 512 Mbyte DDR2 800 MHz on board SDRAM intelligent battery back...

Страница 26: ...quad port Supports narrow ports consisting of a single PHY Transfers data using SCSI information units 1 6 2 SAS Array Limitations This section describes the array limitations of the ServeRAID M5025...

Страница 27: ...f physical disks supported by the controller up to the limit of 16 arrays per controller In addition though you can have up to 16 virtual disks in an array and up to 16 arrays per ServeRAID M5025 cont...

Страница 28: ...ce through the Fusion MPT architecture Provides high throughput and low CPU utilization to offload the host processor 1 6 5 Usability Features The following list describes the usability features of th...

Страница 29: ...roller detects the RAID configuration from the configuration data on the drives Note In a clustering environment drive roaming is supported within the same channel only Configuration data is saved in...

Страница 30: ...grated individual virtual disks cannot be migrated Note Drive roaming and drive migration cannot be supported at the same time Follow these steps to migrate drives Step 1 Make sure that you clear the...

Страница 31: ...troller is installed correctly c Close the cabinet of the host system Step 9 Reconnect the power cords to the system Step 10 Turn on the power to the system The controller detects the RAID configurati...

Страница 32: ...er Controller Up to 40 virtual disks per controller or per logical array Online Capacity Expansion Yes Dedicated and Global Hot Spares Yes Hot Swap Devices Supported Yes Non Disk Devices Supported Yes...

Страница 33: ...roller Section 2 5 Connecting the ServeRAID M5025 Controller to a Drive Enclosure Section 2 6 Replacing a Failed Controller Containing Data in the iBBU 2 1 Requirements The following items are require...

Страница 34: ...gent Battery Backup Unit iBBU on the controller Step 4 Install the ServeRAID M5025 controller in the server and connect the SAS devices or the SATA II devices to it Make sure that the cables you use c...

Страница 35: ...rveRAID M5025 Controller Connectors Refer to Chapter 3 ServeRAID M5025 SAS SATA Controller Characteristics for a diagram of the ServeRAID M5025 controller with its connectors Step 4 Review the Control...

Страница 36: ...for pre installation configuration requirements Step 8 Connect the SAS Devices the SATA II Devices or Both to the Controller Use SAS cables to connect SAS devices SATA II devices or both to the Serve...

Страница 37: ...st computer If the power is turned on to the computer before it is turned on to the devices the computer might not recognize the devices During boot a BIOS message appears The firmware takes several s...

Страница 38: ...set them on your controller The ServeRAID MR Device Driver Installation User s Guide provides detailed installation instructions for operating system drivers 2 5 Connecting the ServeRAID M5025 Contro...

Страница 39: ...AID M5025 controller then you can move the iBBU to a new controller and recover the data The replacement controller must have a cleared configuration Note For the replacement battery part number and t...

Страница 40: ...y unit available when you call C007 Follow these steps to replace a failed controller with data in the transportable battery backup unit Step 1 Review all safety information provided with the server t...

Страница 41: ...Express slot PCI Express goes beyond the PCI specification in that it is intended as a unifying I O architecture for various systems desktops workstations mobile server communications and embedded de...

Страница 42: ...4 7 Mini SAS 4i connector Connects the cables from the controller to SAS drives or SATA II drives or a SAS expander J1B1 x4 SAS Ports 0 3 Mini SAS 4i connector Connects the cables from the controller...

Страница 43: ...ctrostatic discharge The controller carries the following marks and certifications J6B1 Remote Battery Backup Unit connector 20 pin connector Connects the iBBU remotely to the controller J6B2 Battery...

Страница 44: ...er Table 3 3 ServeRAID M5025 SAS SATA Controller Specifications Specification ServeRAID M5025 SAS SATA Controller Processor PCI Express Host Controller to PCI Secondary I O Controller LSISAS2108 ROC d...

Страница 45: ...ess Memory NVRAM 32 Kbytes for storing RAID configuration Table 3 3 ServeRAID M5025 SAS SATA Controller Specifications Specification ServeRAID M5025 SAS SATA Controller Table 3 4 Array Performance Fea...

Страница 46: ...s are 12V 8 percent from PCI edge connector only and 3 3V 9 percent from PCI edge connector only Table 3 6 lists the power supply for the controller for each of the three states at the different volta...

Страница 47: ...ove the maximum ambient temperature Temperature range 0 C to 60 C without battery backup unit Temperature range 10 C to 44 5 C with iBBU battery backup The parameters for the non operating such as sto...

Страница 48: ...3 8 ServeRAID M5025 SAS SATA Controller Characteristics...

Страница 49: ...ite back cache is that the cached data can be lost if the AC power fails before it has been written to the storage device This risk factor is eliminated when the controller has an onboard iBBU The iBB...

Страница 50: ...le explosion do not burn Exchange only with the IBM approved part Recycle or discard the battery as instructed by local regulations In the United States IBM has a process for the collection of this ba...

Страница 51: ...latest revision of IPC A 610 The battery in the iBBU must charge for at least six hours during fast charge under normal operating conditions To protect your data the firmware changes the Write Policy...

Страница 52: ...5 controller using a small board to board connector daughtercard Figure 5 1 displays the top view and the bottom view of the card The top side is the side you can see after you install the iBBU on the...

Страница 53: ...system user s manual so you can access the controller 3 Ground yourself before you touch the controller 4 Unplug all cables from the controller remove the screw attaching the bracket to the computer...

Страница 54: ...rews 7 Install the controller in the computer in the PCI Express slot as shown in Figure 5 3 Press down gently but firmly to make sure that the controller is properly seated in the slot The bottom edg...

Страница 55: ...ly to the ServeRAID M5025 controller Follow these steps to install the iBBU remotely to the controller 1 Ground yourself and remove the iBBU from the package 2 Use the three Phillips head screws that...

Страница 56: ...ct the J2 connector on the iBBU to the J6B1 BBU connector on the controller as shown in Figure 5 4 There are black triangles on the connectors to help you install them properly Insert the cable connec...

Страница 57: ...nfiguration Mismatch You can monitor the battery status temperature voltage and so on in these MegaRAID utility programs WebBIOS Configuration Utility MegaCLI Command Line Interface MegaRAID Storage M...

Страница 58: ...the WebBIOS Configuration Utility The WebBIOS CU is a web based utility for configuring and managing RAID volumes Its operation is independent of the operating system because the utility resides in t...

Страница 59: ...ure 6 1 First Controller Properties Screen f 4 Click Next to view the second Controller Properties screen The second Controller Properties screen appears as shown in Figure 6 2 The Battery Backup fiel...

Страница 60: ...roller Properties Screen 5 Click Present in the Battery Backup field The Battery Module screen appears as shown in Figure 6 3 This screen contains the following information Battery information Design...

Страница 61: ...y You can change the learn delay interval the length of time between automatic learning cycles and the auto learn mode Note For the best system performance leave the learn delay interval and the auto...

Страница 62: ...ng cycle is complete firmware resets the counter and warns you when the next learning cycle time is reached Perform the following steps to choose an auto learn mode 1 Open the drop down menu in the Au...

Страница 63: ...tus of the BBU such as temperature and voltage for the selected controller s Table 6 1 Display BBU Information Convention MegaCli AdpBbuCmd aN a0 1 2 aALL Description Displays complete information abo...

Страница 64: ...arged Yes No Discharging Yes No Initialized Yes No Remaining Time Alarm Yes No Remaining Capacity Alarm Yes No Discharge Terminated Yes No Over Temperature Yes No Charging Terminated Yes No Over Charg...

Страница 65: ...Charge Capacity xx mAh Run Time to Empty xxx Min Average Time to Empty xxx Min Average Time to Full xxx Min Cycle Count xx Max Error xx Table 6 3 Display BBU Capacity Information Cont Table 6 4 Displ...

Страница 66: ...om the file Description Displays current properties of the BBU The information displays in the following formats BBU Properties for Adapter x Auto Learn Period xxx Sec Next Learn Time xxxx Sec Learn D...

Страница 67: ...aining capacity If the battery is charging the estimated time until it is fully charged 6 1 3 1 Battery Learn Cycle Learn Cycle is a battery calibration operation performed by the controller periodica...

Страница 68: ...ycles and click Go You can delay the start of the next learn cycle by up to 7 days 168 hours using the Delay next learn cycle field b To disable automatic learn cycles click Disable automatic learn cy...

Страница 69: ...by local regulations In the United States IBM has a process for the collection of this battery For information call 1 800 426 4333 Have the IBM part number for the battery unit available when you cal...

Страница 70: ...ckup Unit This gives you the option to view both the configuration on the NVRAM and the physical disk 3 Select the configuration on the drive 4 Press ESC and select YES to update the NVRAM 5 Press ESC...

Страница 71: ...on Time 7 1 Intelligent Battery Backup Unit Specifications The following specifications apply to the iBBU Battery type LiON Li Poly cell Battery operating ambient temperature 10 C to 44 5 C Humidity s...

Страница 72: ...of factors including the following Capacity of the battery pack and the battery load Ambient temperature Battery age and the number of discharge cycles Number of DIMMs installed and the number of chip...

Страница 73: ...nector Figure 8 1 shows the ServeRAID M5000 Series Advanced Feature Key Figure 8 1 M5000 Series Advanced Feature Key Note It is important to back up any data before you make a change in system configu...

Страница 74: ...or the Advanced Feature Key 4 Remove the Advanced Feature Key from the package 5 Hold the Advanced Feature Key so that the J1 connector is up and the connector lines up with the J1A2 header on the con...

Страница 75: ...nstead However it is the user s responsibility to evaluate and verify the operation of any non IBM product program or service IBM may have patents or pending patent applications covering subject matte...

Страница 76: ...appropriate without incurring any obligation to you A 1 Trademarks The following terms are trademarks of International Business Machines Corporation in the United States other countries or both Intel...

Страница 77: ...warranties regarding non IBM products and services that are ServerProven including but not limited to the implied warranties of merchantability and fitness for a particular purpose These products are...

Страница 78: ...A 4 Notices...

Страница 79: ...devices that make up a computer system or the software settings that allow the hardware components to communicate with each other device driver A program that allows a microprocessor through the opera...

Страница 80: ...ID levels 1 5 6 10 50 and 60 not RAID level 0 and the hot spare must have sufficient capacity internal SAS device A SAS device installed inside the computer cabinet These devices are connected by usin...

Страница 81: ...dundant RAID levels RAID levels 1 5 6 10 50 and 60 provide data protection RAID level A set of techniques applied to disk groups to deliver higher data availability and or performance characteristics...

Страница 82: ...SI Protocol SSP enables communication with other SAS devices Each PHY on the SAS controller can function as an SSP initiator or SSP target STP Acronym for Serial Tunneling Protocol STP enables communi...

Страница 83: ...on each disk included in the stripe The portion of a stripe that resides on a single disk is a stripe element Striping by itself does not provide data redundancy striping in combination with parity p...

Страница 84: ...B 6 Glossary of Terms and Abbreviations...

Страница 85: ......

Страница 86: ...Part number 60Y1428...

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