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Chapter 4

Planning

Figure 4-2. Two Logical Drives Where Each Array Uses a Different Channel

Figure 4-3 shows the same configuration, except that Array A1 contains physical
drives from both Channel 0 and Channel 1.

Figure 4-3. Two Logical Drives Where Array A1 Contains Drives

on More than One Channel

LD1

LD0

LD1

LD0

LD1

LD0

LD1

Array A0

Physical
Drives

Adapter 0

Array A1

Channel:

LD1

LD0

LD1

LD0

LD1

LD0

LD1

Array A0

Physical
Drives

Adapter 0

Array A1

Channel:

Содержание D5970A - NetServer - LCII

Страница 1: ...HP NetRAID 1M and NetRAID 2M Installation and Configuration Guide HP Part Number 5971 0808 Printed in December 2000 ...

Страница 2: ...itten consent of Hewlett Packard Company Microsoft Windows 2000 Windows NT and Windows 95 98 are registered trademarks of Microsoft Corporation in the U S and other countries Novell and NetWare are registered trademarks of Novell Incorporated SCO SCO OpenServer and UnixWare are registered trademarks of The Santa Cruz Operation Incorporated Linux is a registered trademark of Linus Torvald Intel i96...

Страница 3: ... Levels 7 About This Guide 8 Other Information Sources 8 Tools You May Need 9 2 RAID Overview 11 RAID Overview 11 Physical Drives 11 Arrays 11 Hot Spares 12 Logical Drives 12 Understanding RAID Levels 13 Arrays with No Redundancy RAID Level 0 14 Basic Arrays with Redundancy RAID Levels 1 and 5 15 Spanned Arrays RAID Levels 10 and 50 17 3 Installation and Configuration Overview 23 4 Planning 25 Ove...

Страница 4: ... 46 Select Disk Array Controller Configuration 46 Step G Configure Arrays and Logical Drives 47 HP NetRAID Assistant 48 Select Adapter to Configure 50 Clear Configuration 50 Check Rebuild Rate 51 Assign Global Hot Spares 51 Select Wizard 52 Define Physical Arrays and Dedicated Hot Spares 53 Define Logical Drives 56 Preview Configuration 59 Step H Save Configuration and Initialize 61 Save to Binary...

Страница 5: ...bout Capacity Expansion under NetWare 4 2 80 Planning for Online Capacity Expansion under NetWare 4 2 82 Preparation Steps for NetWare 4 2 83 Preparing for Online Capacity Expansion under NetWare 5 x 87 About Capacity Expansion under NetWare 5 x 87 Planning for Online Capacity Expansion under NetWare 5 x 87 Preparation Steps for NetWare 5 x 88 Preparing for Online Capacity Expansion under Windows ...

Страница 6: ...Server Installation Instructions 117 Using HP NetRAID Assistant to Manage Servers 118 Before Starting HP NetRAID Assistant 118 Start HP NetRAID Assistant 119 Select Another Server Adapter Pair 121 Exit HP NetRAID Assistant 121 10Understanding HP NetRAID Utilities 123 HP NetRAID Assistant 123 HP NetRAID Config 124 HP NetRAID Express Tools 125 HP NetRAID Monitor Utilities 126 11HP NetRAID 2M Battery...

Страница 7: ...d Support 147 Hardware Accessories Limited Warranty 147 Hewlett Packard Hardware Accessories 147 Third Party Hardware Products 148 HP Repair and Telephone Support 148 U S and Canada 148 Other Countries 148 World Wide Web 148 A Adapter Specifications 149 HP NetRAID 1M Specifications 149 HP NetRAID 2M Specifications 150 B Regulatory Information 151 Notice for USA 151 FCC Radio Frequency Emissions St...

Страница 8: ...Contents viii Glossary 163 Disk Array Terms and Technologies 163 Index 171 ...

Страница 9: ...on of firmware for each HP NetRAID 1M or 2M adapter can be downloaded from the HP web site at http netserver hp com netserver Features of the HP NetRAID 1M and 2M Adapters The HP NetRAID 1M and HP NetRAID 2M adapters are high performance intelligent PCI to SCSI host adapters with RAID control capabilities The HP NetRAID 1M and 2M adapters have SCSI channels with both internal and external connecti...

Страница 10: ... NetRAID 1M adapter supports a maximum of six or twelve devices per channel Number Disk Drives That Can Be Connected to the HP NetRAID 1M Channel Using Internal Connector Using External Connector 0 6 or fewer 12 or fewer External storage with HP Rack Storage 12 supports a maximum of 12 Ultra3 SCSI disk drives HP NetRAID 1M External SCSI Cables External Device Length of Cable External SCSI Cable HP...

Страница 11: ...rts a maximum of six or twelve disk drives per channel Number of Disk Drives That Can Be Connected to the HP NetRAID 2M Channel Using Internal Connectors Using External Connectors 0 6 or fewer 12 or fewer 1 6 or fewer 12 or fewer External storage with HP Rack Storage 12 supports a maximum of 12 Ultra3 SCSI disk drives HP NetRAID 2M External SCSI Cables External Device Length of Cable External SCSI...

Страница 12: ...d 2M adapters have cache memory For the HP NetRAID 1M adapter cache memory resides in a 32 MB SDRAM DIMM with ECC For the HP NetRAID 2M adapter cache memory resides in a 64 MB or 128 MB SDRAM DIMM with ECC depending on the model purchased The HP NetRAID 1M or 2M adapters support Direct and Cached I O and Write Through or Write Back caching which can be selected for each logical drive To improve pe...

Страница 13: ...uests per SCSI channel Stripe size for each logical drive can be set from 2 KB to 128 KB Multiple rebuilds and consistency checks have user definable priority New Features of HP NetRAID 1M and 2M Adapters New features of HP NetRAID 1M and 2M adapters include Ultra3 SCSI support with transfer rates up to 160 MB sec for each channel Greater number of disks per logical drive All the physical disks at...

Страница 14: ...Clustering The HP NetRAID 2M adapter can be used as a shared storage controller in HP Netserver cluster configurations HP Netserver clusters provide reliable increased availability solutions for applications where unplanned downtime is unacceptable Either the HP NetRAID 1M or the HP NetRAID 2M adapter can be used as a local storage controller For complete information on clustering visit the HP Net...

Страница 15: ...ages Rapid online configuration change and capacity expansion without the need to first back up all data reconfigure the array and reload the data Changing Capacity and RAID Levels HP NetRAID 1M and 2M adapters can expand capacity and change RAID levels of logical drives without powering down the server Online Capacity Expansion You can add a physical drive to a RAID 0 or 5 logical drive This can ...

Страница 16: ...and Configuration Guide is intended to be used in conjunction with your HP Netserver documentation Refer to your system documentation for details such as cable product numbers and I O slot boot order If you are setting up your HP Netserver for the first time begin with the Installation Sheet if one was supplied with your system Otherwise begin with your Installation Guide or User Guide Return to t...

Страница 17: ... such as a straightened paper clip will be helpful An antistatic kit 3M 8501 8502 8505 or equivalent is strongly recommended CAUTION All HP NetRAID adapter cards are sensitive to static electricity and can easily be damaged by improper handling Using a grounding strap is recommended Read the following information carefully before you handle the accessory Leave the adapter card in the antistatic ba...

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Страница 19: ... With the HP NetRAID 1M and 2M adapters you can configure your linked drives into a RAID Redundant Array of Independent Disks subsystem Physical Drives The term physical drive refers to a single hard disk module Figure 2 1 Physical Drive Arrays HP NetRAID 1M and 2M adapters can combine multiple physical drives into one array see Appendix A Adapter Specifications It is recommended that all drives i...

Страница 20: ...isk Until a rebuild occurs a hot spare does not contain user data There are two types of hot spares A global hot spare is used if a disk in any array on the adapter fails A dedicated hot spare is reserved for use by a single array Logical Drives The term logical drive refers to a virtual drive that is assigned some portion of the total capacity of an array For example if you have an array of disk ...

Страница 21: ...g installation you configure your logical drives by running a disk array configuration utility Each of the logical drives you define must have an assigned RAID level Each RAID level has different advantages in terms of performance redundancy and capacity HP NetRAID 1M and 2M adapters support both basic array and spanned array configurations Basic arrays have logical drives that are contained entir...

Страница 22: ...rive and must be retrieved from a backup copy If you have five physical drives configured as one RAID 0 logical drive data blocks are written as follows Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Stripe 1 Block 1 Block 2 Block 3 Block 4 Block 5 Stripe 2 Block 6 Block 7 Block 8 Block 9 Block 10 The RAID 0 algorithm allows data to be accessed on multiple disks simultaneously Read and write performance on a ...

Страница 23: ...te disk Data is written as follows Disk 1 Disk 2 Stripe 1 Block 1 Block 1 Stripe 2 Block 2 Block 2 Stripe 3 Block 3 Block 3 RAID 1 Advantages There is no data loss or system interruption due to disk failure because if one disk fails the other is available Read performance is fast because data is available from either disk RAID 1 Disadvantages Costs are high because 50 of all disk space is allocate...

Страница 24: ...rites are small and random For example to change Block 1 in the diagram above the HP NetRAID 1M or 2M adapter must first read Blocks 2 3 and 4 before it can calculate Parity Block 1 4 Once it has calculated the new Parity Block 1 4 it must write Block 1 and Parity Block 1 4 RAID 5 Advantages There is no data loss or system interruption due to disk failure because if one disk fails data can be rebu...

Страница 25: ...RAID 1 arrays data blocks are written as follows Spanned Array RAID 10 Array 1 RAID 1 Array 2 RAID 1 Disk 1 Disk 2 Disk 3 Disk 4 Stripe 1 Block 1 Block 1 Block 2 Block 2 Stripe 2 Block 3 Block 3 Block 4 Block 4 Stripe 3 Block 5 Block 5 Block 6 Block 6 RAID 10 Advantages There is no data loss or system interruption due to disk failure because if one disk fails its mirror image is available Read per...

Страница 26: ...Spanned Array RAID 50 Array 1 RAID 5 Array 2 RAID 5 Disk 1 Disk 2 Disk 3 Disk 4 Disk 5 Disk 6 Disk 7 Disk 8 Stripe 1 Block 1 Block 2 Block 3 Parity 1 3 Block 4 Block 5 Block 6 Parity 4 6 Stripe 2 Block 7 Block 8 Parity 7 9 Block 9 Block 10 Block 11 Parity 10 12 Block 12 Stripe 3 Block 13 Parity 13 15 Block 14 Block 15 Block 16 Parity 16 18 Block 17 Block 18 RAID 50 Advantages There is no data loss...

Страница 27: ...mance are equally important RAID 50 performs best for I O intensive high read write ratio applications such as transaction processing Table 2 1 RAID Level Summary for RAID Levels 0 to 5 RAID Level RAID 0 RAID 1 RAID 5 Also Known As striping mirroring striping with distributed parity Fault Tolerance no yes yes Redundancy Type none duplicate parity Hot Spare Option no yes yes Disks Required one or m...

Страница 28: ... 14 16 18 20 22 24 9 12 15 18 21 or 24 12 16 20 or 24 15 or 20 18 or 24 21 24 Usable Capacity least intermediate Capacity Reduction 50 capacity of one disk for each array spanned Read Performance intermediate fast Random Write Performance intermediate slow Sequential Write Performance intermediate slowest Typical Usage Mostly small random writes with fault tolerance and enhanced speed Mostly small...

Страница 29: ...ee for Choosing a RAID Level RAID 0 Complete Duplication Required Data Protection Redundancy Required Number of Disk Drives RAID 1 RAID 10 Number of Disk Drives RAID 5 RAID 50 Start Yes No Yes No 2 Disks 4 or more Disks 3 or more Disks 6 or more Disks ...

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Страница 31: ... to Prepare Diskettes Chapter 6 Step D Install the Adapter Chapter 5 Step J Install NOS and HP NetRAID Driver Chapter 6 Step E Install Cables and Set SCSI ID Switches Chapter 5 Step K Install NOS specific Configuration Utility Chapter 6 Step F Start HP Netserver Navigator to Launch HP NetRAID Assistant Chapter 5 Step L Run HP NetRAID Express Tools Chapter 6 Step G Configure Arrays and Logical Driv...

Страница 32: ...ur new adapter refer to Chapter 9 Managing Servers Over the Network and the HP NetRAID Series User Guide for information on managing your adapter from a remote location Chapter 10 Understanding HP NetRAID Utilities discusses the three utilities that are available to manage your HP NetRAID system ...

Страница 33: ...should make one copy of Worksheet A and Worksheet B for each HP NetRAID 1M or 2M adapter you plan to install Step A Plan Your Hardware In Step A Plan Your Hardware you will begin to fill out Worksheet A But first you must gather information about your HP Netserver and your user requirements Gather Information You need to know the following information about your system and its use to create the be...

Страница 34: ...sheet A for HP NetRAID 1M or 2M Adapter 4GB 4GB 4GB 9GB 9GB 9GB 9GB 9GB 9GB 9GB Adapter 0 CH 0 CH 1 Channel Channel 0 PCI Slot 5 Rebuild Rate 50 Array or Hot Spare Type Array or Hot Spare Type 1 2 3 4 0 1 2 3 8 9 SCSI ID Disk Capacity Channel 1 SCSI ID Disk Capacity Array 1 Array 1 Dedicated Hot Spare Array 1 Array 2 Array 2 Array 2 Array 0 Array 0 Array 0 Global Hot Spare ...

Страница 35: ...stallation Guide in the HP Netserver Navigator CD ROM Cable Management Cable management is another factor to consider when choosing a slot for the adapter Try to avoid having cables block access to other I O cards in the system Log the adapter s PCI slot on Worksheet A Channels In this section you determine which physical devices will connect to each SCSI channel of the adapter Record the SCSI ID ...

Страница 36: ...ined for those users who do not want to customize their arrays and logical drives Custom configurations permit you to create exactly the configuration that best suits your needs Automatic Configuration Automatic mode defines the arrays and logical drives for you and sets their parameters It makes configuration easy Automatic mode uses the following rules to define arrays It scans the physical driv...

Страница 37: ...Custom Configuration To plan a custom configuration you will do the following Plan your arrays Plan hot spares Decide the rebuild rate Plan logical drives Plan Your Arrays In this section you specify which physical drives are assigned to which arrays For each physical disk drive that is assigned to an array log its array number in Worksheet A When creating your arrays please consider the following...

Страница 38: ...to provide redundancy A single array can be divided into a maximum of 40 logical drives A single HP NetRAID 1M or 2M adapter can control a maximum of 40 logical drives If you want to use the online capacity expansion feature later logical drives cannot span arrays and there must be only one logical drive per array If you want one logical drive to span two or more arrays Spanned arrays must be numb...

Страница 39: ...that Array A1 contains physical drives from both Channel 0 and Channel 1 Figure 4 3 Two Logical Drives Where Array A1 Contains Drives on More than One Channel LD1 LD1 LD1 LD0 LD1 LD0 LD1 LD0 LD1 Array A0 Physical Drives Adapter 0 0 1 Array A1 Channel LD1 LD1 LD1 LD0 LD1 LD0 LD1 LD0 LD1 Array A0 Physical Drives Adapter 0 0 1 Array A1 Channel ...

Страница 40: ... dedicated to each individual array Global hot spares stand ready to rebuild any physical drive for any array with redundancy controlled by the adapter A hot spare does not count toward the usable capacity of any array A hot spare must have capacity equal to or greater than the capacity of the physical drive it would replace An adapter can support up to eight hot spares Decide the Rebuild Rate Dur...

Страница 41: ...ogical drives that might impact how you set up your arrays You must configure at least one logical drive per array A single array can be divided into a maximum of 40 logical drives However if you want to use the online capacity expansion feature later plan to create just one logical drive per array The adapter can support a maximum of 40 logical drives Consider what RAID levels you need Review the...

Страница 42: ...eight arrays Spanned arrays must be controlled by the same adapter Sample Worksheet B A sample Worksheet B is shown in Figure 4 4 The instructions for filling in each column are these For the Logical Drive column 1 use up to 40 logical drives starting with LD0 For the Array column 2 start with Array 0 and number consecutively In the Span column 3 you can choose to span this LD over the next 1 7 ar...

Страница 43: ...e Stripe Size Write Policy Read Policy Cache Policy LD0 0 No 5 18 GB 64 KB W Back Adapt Cached LD1 1 No 1 4 GB 16 KB W Back Adapt Cached LD2 2 No 5 10 GB 64 KB W Back Adapt Cached LD3 2 No 5 8 GB 64 KB W Back Adapt Cached LD4 LD5 LD6 LD7 LD8 LD9 LD10 And so forth up to LD 39 Figure 4 4 Sample Worksheet B ...

Страница 44: ... drive capacity record it in Worksheet B If you want a logical drive to occupy less space than is available on one array you must enter the logical drive size Stripe Size Stripe Depth Stripe size is the amount of data contiguously written to each disk in an array It is sometimes called stripe depth You can specify stripe sizes 2 KB 4 KB 8 KB 16 KB 32 KB 64 KB and 128 KB for each logical drive Cons...

Страница 45: ...rite Through is the recommended write policy for the HP NetRAID 1M adapter because this adapter does not have a battery backup unit Write Back In a write back cache data is written to disk only when it is forced out of the cache Write back is efficient because an entry may be written many times in the cache without a disk access Write Back can be used if an Uninterruptible Power Supply maintains t...

Страница 46: ...icy causes the read ahead feature to be used if the last two disk accesses were in sequential sectors For each logical drive record the read policy in Worksheet B Cache Policy HP NetRAID lets you choose one of two cache policies Cached I O Reads are always cached regardless of randomness The selected Read policy Read Ahead Normal or Adaptive and Write policy Write Through and Write Back always app...

Страница 47: ...Plugging in the Battery Backup Unit on the HP NetRAID 2M adapter CAUTION The adapter is sensitive to static electricity and can easily be damaged by improper handling Using a grounding strap is recommended Read the following information carefully before you handle the accessory Leave the adapter in the antistatic bag until you are ready to install it If possible use an antistatic wrist strap and g...

Страница 48: ... Unit before you install the HP NetRAID 2M adapter in your Netserver 2 When the Battery Backup Unit is connected Do not place the HP NetRAID 2M adapter on a conductive surface When installing the adapter do not allow the adapter or its Battery Backup Unit to touch any part of the HP Netserver Doing so could short the battery and it may damage other components You may place the adapter on an antist...

Страница 49: ...The connector is keyed to make sure the proper connection is made Figure 5 1 Plugging in Battery Backup Unit on the HP NetRAID 2M CAUTIONS 1 The battery pack must be connected when the adapter card is not plugged in to the Netserver 2 The adapter is sensitive to static electricity and can easily be damaged by improper handling The use of a grounding strap is recommended J2 Wire ...

Страница 50: ...1M or 2M board NOTE Before you begin you may need to look up information about your HP Netserver in Information Assistant on the HP Netserver Online Documentation CD ROM You will need to know how to open or remove the HP Netserver panels and covers as well as any special instructions for installing a board in a PCI slot of the HP Netserver Turn off the HP Netserver and open it as follows 1 Bring d...

Страница 51: ...pter disconnect its SCSI cables first Follow the procedures in Chapter 8 Upgrading to an HP NetRAID 1M or HP NetRAID 2M Adapter to remove the adapter and to disconnect the battery if it is an HP NetRAID 2M Install the Adapter CAUTION Do not allow the adapter to contact any part of the HP Netserver other than the PCI slot during installation Do not allow the Battery Backup Unit on HP NetRAID 2M ada...

Страница 52: ...e the adapter from the bag touch a grounded unpainted metal surface on the system to discharge static electricity Step E Install Cables In this step you connect the adapter s SCSI channels to the physical drives listed in Worksheet A Connect Cables Install the cables to create the hardware setup you planned in Worksheet A Refer to the system documentation and the Hot Swap Disk Subsystem Cabling In...

Страница 53: ...ation Refer to the mass storage section of your system documentation for details on HP Netserver configurations Avoid problems with your SCSI devices and adapter by observing the following rules Avoid mixing Fast Wide Ultra SCSI Ultra2 SCSI or Ultra3 SCSI disk drives on the same channel In particular if a Fast Wide disk drive is on the same channel with an Ultra SCSI Ultra2 SCSI or Ultra3 SCSI dis...

Страница 54: ...tworks Step F Start HP Netserver Navigator to Launch HP NetRAID Assistant Boot HP Netserver Navigator CD ROM To launch the HP NetRAID Assistant you must start from the HP Netserver Navigator CD ROM Ensure that all the SCSI devices power up before or at the same time as the host computer NOTE HP NetRAID 1M and 2M adapters do not support bootable CD ROM drives or tape drives Boot Messages If you rec...

Страница 55: ...n from the Netserver Utilities screen This launches the HP NetRAID Assistant utility Step G Configure Arrays and Logical Drives In this step for each adapter that need to be configured you will use Worksheets A and B to Configure the arrays of physical drives Configure the logical drives ...

Страница 56: ...GUI with conventions similar to those in Microsoft Windows Click on an object with the left mouse button to select or deselect it NOTE Since the HP NetRAID 1M is a single channel adapter the HP NetRAID Assistant window for this adapter contains only Channel 0 information The Channel 1 column does not exist Toggle to Select View Adapter Selector Configuration Adapter Logical Drive Physical Drive ...

Страница 57: ...hysical Drives Logical Drives Progress and Help Toolbar The toolbar icons are separated into four categories of functions Configuration Properties Miscellaneous and Other They provide shortcuts to access the menu options Figure 5 4 HP NetRAID Assistant Main Menu Toolbar Options Adapter box The Adapter box shows the number of the current adapter that is being configured If the HP Netserver contains...

Страница 58: ...ysical drive failed and is out of service Rebuilding The physical drive is involved in a rebuild process to recover data that was on a failed drive Not Responding The physical drive is not present not powered on or has failed Logical Devices box The Logical Devices box shows the current adapter and its global hot spare pool When arrays logical drives and hot spares have been defined they are displ...

Страница 59: ... Rate from the HP NetRAID Assistant window 1 Choose Rebuild Rate from the Adapter menu 2 Reset the rate by dragging the slider with the mouse 3 Click OK NOTE Clearing the configuration does not affect the rebuild rate Assign Global Hot Spares NOTE Refer to Worksheet A when assigning hot spares To assign any physical drives to the global hot spare pool for the adapter 1 Click on a Ready physical dr...

Страница 60: ...ant was started rescan the drives by choosing the Adapter menu and then selecting the Rescan option To launch the HP NetRAID Assistant Wizard 1 Select the Configuration menu 2 Choose the Wizard The Wizard starting window is displayed as shown in Figure 5 5 with a choice of Custom and Automatic configuration modes Figure 5 5 HP NetRAID Assistant Wizard Starting Window ...

Страница 61: ... or 5 depending on the number and capacities of the physical drives If the Redundancy box is empty all logical drives are configured as RAID 0 which is not redundant See Automatic Configuration in Chapter 4 Planning for a complete list of the rules used in Automatic configuration 4 Click the Next button 5 If you chose Automatic mode skip to Preview Configuration later in this chapter Define Physic...

Страница 62: ...e has been added to a new array but has not been accepted yet 3 If you want to remove a physical drive from a new array select the drive in the new array and click the Reclaim button 4 When the array is complete click the Accept Array button All physical drives assigned to arrays display their array numbers to the right of the SCSI ID The numbering is zero based For example A0 designates a physica...

Страница 63: ...pares can be assigned to the global hot spare pool for the adapter or they can be dedicated to a specific array Only one hot spare can be dedicated to a given array To assign a dedicated hot spare 1 Select a Ready physical drive Be sure nothing else is selected 2 Click the Add Spare button The Hot Spare Target window appears 3 Click the Dedicated to button and then click on the down arrow to displ...

Страница 64: ...ndow appears A sample window is shown in Figure 5 7 The window is ready for you to define Logical Drive 0 Figure 5 7 HP NetRAID Assistant Wizard Logical Drive Definition Window The Logical Drive Parameters box shows the number of the logical drive being defined and has boxes to set its RAID level and size The Span Arrays check box turns array spanning on or off The Advanced button leads to more pa...

Страница 65: ...clicking in the Size box and typing a smaller size Setting a smaller size leaves space for another logical drive on the same array 4 Set the stripe size read policy write policy or cache policy by clicking the Advanced button to display the Advanced Parameter window Click the arrows to view the choices and select the ones you want Disregard the Virtual Sizing check box because you can change this ...

Страница 66: ...ed number such as A0 1 or A0 3 appears in the Logical Devices box 2 If you know the exact size of the logical drive you want enter it in the Size MB box If you do not specify the size of the logical drive the default size reflects the maximum number of arrays that can be spanned 3 Define the logical drive as described above To remove the last logical drive that was added 1 Click the Undo button 2 ...

Страница 67: ...istant Wizard Configuration Preview window shown in Figure 5 8 displays the configuration proposed for the physical and logical drives Figure 5 8 HP NetRAID Assistant Wizard Configuration Preview Window NOTE The RAID level of a logical drive that spans arrays lacks the terminal zero Mentally add it to make RAID 1 into RAID 10 and RAID 5 into RAID 50 ...

Страница 68: ...Undo button Keep clicking Undo until you have removed the logical drive you want to change 3 Configure the logical drives again or click Back to back up and change array definitions To correct the assignment of physical drives 1 Undo any logical drives that are defined on the array by clicking Back then clicking Undo as necessary to delete the last logical drive 2 Click the Back button to go to th...

Страница 69: ...e logical drives now Step H Save Configuration and Initialize In this step you will do the following Save the configuration to a binary file Print a copy of the configuration If you have more than one adapter configure any other adapters Initialize the logical drives if you have not done so already Save to Binary File To save the configuration to a binary file 1 Choose Save from the Configuration ...

Страница 70: ...pts 3 Check the Rebuild Rate by choosing Rebuild Rate from the Adapter menu and reset the rate if necessary 4 If global hot spares will be assigned drag the desired Ready physical drives into the global hot spare pool 5 Launch the HP NetRAID Assistant Wizard by choosing Wizard from the Configuration menu 6 Configure the adapter as described in Step G 7 Save the configuration and print it as descri...

Страница 71: ...n if you need to stop the initialization of that logical drive 5 To rearrange individual windows click the Arrange menu and make a selection 6 Repeat the initialization process for other logical drives and adapters as necessary Exit HP NetRAID Assistant To exit HP NetRAID Assistant choose Exit from the Configuration menu You have now completed the installation and configuration of the disk array s...

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Страница 73: ... network operating system NOS and method of NOS installation HP NetRAID drivers HP NetRAID NOS specific utility In Step J you install the NOS if necessary and the appropriate HP NetRAID drivers if they are not installed automatically In Step K you install the NOS specific configuration utility you need to manage your HP NetRAID system In Step L you run HP NetRAID Express Tools if necessary Table 6...

Страница 74: ...specific configuration utility Optional Manual mode of NOS installation Create diskette with NOS installation instructions and HP NetRAID drivers Create diskette with NOS specific configuration utility Install NOS manually HP NetRAID drivers Install NOS specific configuration utility Optional NetWare Automatic mode of NOS installation Print NOS installation instructions or create diskette Create d...

Страница 75: ... special instructions for installing Windows 2000 create diskette s containing the NOS specific configuration utility If there are special instructions create the following Diskette s containing the instructions for installing the NOS and anything else required in those instructions Diskette s containing the NOS specific configuration utility For automatic installation of Windows NT or NetWare cre...

Страница 76: ...vers However you should copy the instructions for installing the NOS To do so refer to the instructions below to either print a copy directly or copy the instructions to diskette to print later You can use the HP Netserver Navigator CD ROM to create the diskette s containing the drivers for your NOS and the instructions for installing them in either of two ways On a separate PC workstation running...

Страница 77: ...ions Diskette Library Click NOS Installation Instructions Then click the appropriate icon either to save the instructions to diskette or to print the instructions Follow the onscreen instructions When you have finished saving or printing click the Close arrow 7 On the Guide to Configure Server screen click Diskette Library 8 On the Diskette Library screen double click the NOS drivers for the NOS y...

Страница 78: ...tion Utility Diskette If you plan to install Windows NT Windows 2000 or Novell NetWare you must make another diskette containing the NOS specific configuration utility NOTE You can skip this step if you plan to install SCO UnixWare or SCO OpenServer The NOS specific configuration utility was already copied to the drivers diskette s Go to Print NOS Installation Instructions later in this chapter Yo...

Страница 79: ...int NOS Installation Instructions later in this chapter Using the HP Netserver to Create NOS specific Configuration Utility Diskette To use the HP Netserver to create the diskette s needed to install the NOS specific utility for Windows NT Windows 2000 or NetWare 1 From the HP Navigator Main Menu choose Diskette Library 2 From the Diskette Library do the following For Windows NT or Windows 2000 cr...

Страница 80: ...p drive on a hot swap drive not under HP NetRAID control or on a logical drive under HP NetRAID control Install HP NetRAID 1M or 2M Driver Load the appropriate driver s as instructed in the NOS Installation Instructions that you printed in Step I earlier in this chapter The driver names are listed in Table 6 2 Table 6 2 HP NetRAID Drivers Network Operating System HP NetRAID Drivers Linux megaraid ...

Страница 81: ...HP NetRAID Utilities has menu maps of both of these utilities For complete information about these utilities see the HP NetRAID Series User Guide in Information Assistant on the HP Netserver Navigator CD ROM Install the utility as described for the NOS version below Microsoft Windows NT 4 0 and Windows 2000 1 Select Start from the taskbar 2 Choose Run from the Start menu 3 Insert diskette 1 NetRAI...

Страница 82: ...ute mode CHANGE USER QUERY show the current mode of operation After the installation return to the default EXECUTE mode This means that clients connected via the network can connect to the server and run Windows NT sessions from it 1 Select Start from the taskbar 2 Choose Run from the Start menu 3 Insert diskette 1 NetRAID Software NT Win2000 4 Type d setup at the Open prompt where d is the drive ...

Страница 83: ...etRAID Express Tools utility Run HP NetRAID Express Tools if you need to do any of the following If you are using either Fast Wide or Ultra Wide devices in an external mass storage enclosure set the SCSI transfer rate The default SCSI transfer rate is Ultra3 The alternative SCSI transfer rates are Fast Ultra and Ultra2 Change the SCSI transfer rate for the external channel to match the external de...

Страница 84: ...ps scanning HP NetRAID Express Tools starts and displays the Tools Management menu To Disable the HP NetRAID BIOS If you want to prevent the system from booting from an HP NetRAID 1M or 2M adapter or from the integrated HP NetRAID controller if present you can disable the HP NetRAID BIOS To disable the HP NetRAID BIOS for all adapters in the system choose Disable BIOS from the Tools Management men...

Страница 85: ... menu To Exit HP NetRAID Express Tools To exit HP NetRAID Express Tools press Esc repeatedly until the Exit prompt is displayed Choose Yes Then press any key to reboot The new parameters become effective after you reboot Run Other Utilities If Necessary You may need to enable or disable ports or change settings such as IRQs or MP specifications To do so run the utility appropriate for your system ...

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Страница 87: ...ive by one other physical drive 2 Capacity expansion cannot be done online for logical drives of RAID levels 10 or 50 You cannot use Online Capacity Expansion with an array that contains more than one logical drive The logical drive must be the only logical drive in the array Online Capacity Expansion is supported only for the Novell NetWare 4 2 and 5 x and Microsoft Windows NT and Windows 2000 op...

Страница 88: ...he server to reconfigure and then restore data or you must add the new storage space as a new volume The Online Capacity Expansion feature allows you to expand an existing logical drive without shutting down the server Under NetWare 4 2 use virtual sizing to prepare for online capacity expansion Virtual sizing is enabled separately on each logical drive When enabled the controller presents to the ...

Страница 89: ...g installation if the total physical capacity is exceeded during volume creation a NetWare abend and loss of the installation occurs As long as the physical capacity is not exceeded the installation will be successful Although undesirable NetWare 4 2 allows you to create volumes into the virtual space This is because during volume creation NetWare 4 2 only looks at the beginning of the volume and ...

Страница 90: ... NetWare 4 2 installation plan ahead and consider your storage use Since NetWare 4 2 permits only one NetWare partition per logical drive make the NetWare partition the size of the virtual logical drive in advance so that you can expand that volume Under NetWare 4 2 you cannot grow a partition but you can add additional segments within an existing partition The added segments can be joined to be p...

Страница 91: ...oftware The following steps are necessary to prepare your logical drive for online capacity expansion I Enable virtual sizing in HP NetRAID Express Tools II Create the NetWare partition in NetWare 4 2 III Create the NetWare volume in NetWare 4 2 I Enable Virtual Sizing 1 Restart the host HP Netserver and watch for the message Option Experienced users may press Ctrl M for HP NetRAID Express Tools n...

Страница 92: ...integrated HP NetRAID controller press Esc to return to the Objects menu Enable virtual sizing on the logical drives of all adapters as necessary 12 To exit press Esc until you see the Exit box then choose Yes NOTE Clearing a previous configuration does not reset the virtual sizing setting for a logical drive Use the Reset to Factory Defaults option in Express Tools to disable virtual sizing for a...

Страница 93: ...following to create a volume that does not contain the NetWare 4 2 operating system 1 The Available Disk Options menu is displayed Select Volume Options Press Enter 2 Press the Inset key or the F3 key to add a volume segment 3 The available free space is displayed Press Enter 4 Select Make this segment a new volume Press Enter 5 Type the volume name Press Enter 6 Edit the disk segment size to be t...

Страница 94: ...r a user volume Virtual sizing can be used with a disk array that is used as the boot device and contains user data If NetWare 4 2 must reside on the disk array follow these steps 1 Create a DOS partition of 500 MB or less for booting 2 Create additional NetWare volumes after the DOS partition on the same logical drive for data Do not exceed the physical space capacity Create these volumes as desc...

Страница 95: ...etWare 5 x is simply to leave virtual sizing disabled the factory default or to disable it if it has been enabled Refer to the HP NetRAID Series User Guide and your NetWare 5 x documentation for information about online capacity expansion Planning for Online Capacity Expansion under NetWare 5 x To permit easy capacity expansion of a NetWare 5 x installation plan ahead and consider your storage use...

Страница 96: ...es be residual partition format information that subsequently causes misrepresentation of logical drives under NetWare 5 x You already installed NetWare 5 x as discussed in Chapter 6 HP NetRAID Software The only other requirement to prepare for online capacity expansion of your logical drive is that virtual sizing is disabled This is the factory default setting If Virtual Sizing is Disabled the fa...

Страница 97: ...ter controlling the logical drive 4 Choose Objects from the Tools Management menu 5 Choose Logical Drive from the Objects menu 6 From the Logical Drives menu choose the logical drive you want to prepare for expansion 7 From the Logical Drive menu for the drive you want to prepare choose Properties 8 Choose Virtual Sizing 9 On the Virtual Size Feature menu choose Disable and confirm your choice 10 ...

Страница 98: ... presents to the operating system a logical drive of 500 GB However only a part of the 500 GB logical drive exists as actual physical storage You configure logical drives to use only the actual physical space while the virtual space allows room for online expansion For example assume you have one RAID 5 logical drive built from four physical hard disk drives of 4 GB each the result is 12 GB of act...

Страница 99: ...em as discussed in Chapter 5 Installation and Configuration You should have created only one logical drive per array For example you might have four physical drives of 4 GB You might have configured these four drives as a single RAID 5 logical drive This produces a logical drive with 12 GB of real storage capacity with 4 GB used for parity You have initialized your logical drives NOTE It is import...

Страница 100: ...here is more than one HP NetRAID 1M or 2M adapter installed including any integrated HP NetRAID controller do the following to select the integrated controller or adapter controlling a logical drive you want to prepare for expansion a Choose Adapter from the Tools Management menu b Choose the adapter controlling the logical drive 4 Choose Objects from the Tools Management menu 5 Choose Logical Dri...

Страница 101: ...re creates a virtual drive of 500 GB III Partition and Format the Drive How you partition and format a drive depends on where you installed Windows NT For drives that do not contain the Windows NT operating system see Partition and Format Drives that do not Contain Windows NT below If Windows NT was installed on an HP NetRAID disk array see Partition and Format a Drive that Contains Windows NT bel...

Страница 102: ... Create a FAT boot partition of 4 GB or less for the NOS which becomes the C volume 2 Create a second partition for the data which becomes for example the D volume 3 The remaining virtual capacity must be left unpartitioned and is available for future partitions as you add disk drives to the array Preparing for Online Capacity Expansion under Windows 2000 About Capacity Expansion under Windows 200...

Страница 103: ...em as discussed in Chapter 5 Installation and Configuration You should have created only one logical drive per array For example you might have four physical drives of 4 GB You might have configured these four drives as a single RAID 5 logical drive This produces a logical drive with 12 GB of real storage capacity with 4 GB used for parity You have initialized your logical drives NOTE It is import...

Страница 104: ...ult is that virtual sizing is disabled If virtual sizing has been enabled disable it as follows 1 Restart the host HP Netserver and watch for the message Option Experienced users may press Ctrl M for HP NetRAID Express Tools now Firmware Initializing 2 When the message is displayed press Ctrl M When the system stops scanning HP NetRAID Express Tools starts and displays the Tools Management menu 3 ...

Страница 105: ...e to return to the Logical Drive menu If you need to enable virtual sizing on another logical drive choose the logical drive and repeat steps 6 through 10 11 If there is more than one HP NetRAID 1M or 2M adapter installed including any integrated HP NetRAID controller press Esc to return to the Objects menu Enable virtual sizing on the logical drives of all adapters as necessary 12 To exit press E...

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Страница 107: ...t are equal in number or greater than the adapter it is replacing Do not replace an HP NetRAID 3si adapter using three channels with a NetRAID 1M or NetRAID 2M adapter which can control only one or two channels To replace an HP NetRAID 1M or NetRAID 2M adapter you need to 1 Back up your data 2 Load the appropriate driver 3 Insert the HP NetRAID 1M or HP NetRAID 2M adapter and restore your RAID set...

Страница 108: ... Step J 4 Install the NOS specific configuration utility as described in Step L Insert the New Adapter and Restore the RAID Settings CAUTION All HP NetRAID 1M and 2M adapters are sensitive to static electricity and can easily be damaged by improper handling Using a grounding strap is recommended Read the following information carefully before you handle the accessory Leave the new adapter in the a...

Страница 109: ...emove the HP Netserver cover and disconnect the SCSI cables from the existing HP NetRAID adapter Remove the existing adapter and place it on a grounding mat or other antistatic surface If you have removed any HP NetRAID adapter with a Battery Backup Unit BBU disconnect the BBU by unplugging the connector shown in Figures 8 1 8 2 and 8 3 Unplug BBU connector Battery Backup Unit BBU J21 Figure 8 1 U...

Страница 110: ... 2M Adapter 102 Unplug BBU connector from J2 on BBU board Battery Backup Unit BBU J2 on BBU board Figure 8 2 Unplug Battery Backup Unit on the HP NetRAID Board Figure 8 3 Unplug Battery Backup Unit on HP NetRAID 2M Board Battery Backup Unit BBU Connector ...

Страница 111: ... This message tells you that the configuration information stored in the drives the correct configuration does not match the configuration information stored in NVRAM on the newly installed HP NetRAID 1M or 2M adapter NOTE If there is more than one HP NetRAID adapter including any integrated HP NetRAID controller the message tells you which adapter number has the mismatch Be sure to note which ada...

Страница 112: ...ns of HP NetRAID adapters NetRAID NetRAID 1 NetRAID 3Si NetRAID 1Si integrated HP NetRAID LH 3 LH 4 and integrated HP NetRAID LH 3000 LH 6000 LT 6000r supported a maximum of eight logical drives The HP NetRAID 1M and 2M can support up to 40 logical drives This enhancement affects the ability to keep the RAID configuration intact when moving the hard disks from the previous generation of adapters t...

Страница 113: ...ions for the various combinations of adapters Table 8 1 Migration Combinations Permitted Adapter Receiving Previously Configured Disks Disks Originally Configured As Legacy RAID Adapters NetRAID 1M NetRAID 2M Adapters NetRAID 4M Adapter Legacy RAID Disks NetRAID NetRAID 1 NetRAID 3Si NetRAID 1Si integrated HP NetRAID LH 3 LH 4 and integrated HP NetRAID LH 3000 LH 6000 LT 6000r Yes Yes No NetRAID 1...

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Страница 115: ...ts or other servers The HP NetRAID management software allows clients or servers to manage integrated HP NetRAID controllers and HP NetRAID 1M or 2M adapters installed in servers on the network Its key features include the following HP NetRAID Assistant GUI management utility Support for servers running Microsoft Windows NT Windows 2000 or Novell NetWare Support for clients running Microsoft Windo...

Страница 116: ...umentation for more information Optionally the client can be your HP NetRAID Registration Server as described later in this chapter Requirements for Servers That Manage HP NetRAID over the Network Microsoft Windows NT or Windows 2000 must be installed If the server will manage NetWare servers you must install GateWay Service for NetWare which is part of Windows NT Windows 2000 and Windows 95 98 Yo...

Страница 117: ...s are used instead of RPC The HP NetRAID network utilities include the following HP NetRAID Assistant is the GUI utility that provides a user interface to the adapters in the servers on the network This utility can run on either clients or servers on the network HP NetRAID Access Service is installed on all servers with HP NetRAID 1M and 2M adapters or integrated HP NetRAID controllers that will b...

Страница 118: ...y one client running Microsoft Windows NT Windows 2000 or Windows 95 98 HP NetRAID Network Utilities to Install For each client or server refer to Table 9 1 to determine which HP NetRAID utilities to install on it as indicated by an X in Table 9 1 All clients and servers should be running HP NetRAID network utilities upgraded to the versions on the most recent HP Netserver Navigator CD ROM HP NetR...

Страница 119: ... cannot run HP NetRAID Assistant can be accessed over the network X Server is not a Registration Server has HP NetRAID controller can run HP NetRAID Assistant can be accessed over the network X X Server is the Registration Server has HP NetRAID controller can run HP NetRAID Assistant can be accessed over the network X X X Client is the Registration Server can run HP NetRAID Assistant X X Client is...

Страница 120: ... Create Network Utilities Diskette later in this chapter Using a Separate Workstation to Create Network Utilities Diskette To use a separate PC workstation to create the HP NetRAID network utilities diskette s do the following 1 Turn on the workstation and monitor if they are not already on and log on if necessary 2 Insert the HP Netserver Navigator CD ROM into the drive HP Netserver Navigator sho...

Страница 121: ...ing the HP Netserver to Create Network Utilities Diskette To use the HP Netserver to create HP NetRAID network utilities diskette s do the following 1 Turn on the HP Netserver and monitor if they are not already on and insert the HP Netserver Navigator CD ROM into the drive Turn off the HP Netserver power wait 10 seconds and turn it back on again 2 From the HP Navigator Main Menu choose Diskette L...

Страница 122: ...he steps listed below either for Microsoft Windows NT 4 0 Windows 2000 and Windows 95 98 or for Microsoft Windows NT 3 51 Step Microsoft Windows NT 4 0 Windows 2000 and Windows 95 98 Microsoft Windows NT 3 51 1 Select Start from the taskbar Then choose Run from the Start menu Select File Run from the Program Manager 2 Insert Diskette 1 of NetRAID Software NT Win2000 Insert Diskette 1 of NetRAID So...

Страница 123: ...HP NetRAID adapters HP NetRAID Access Service allows server management over the network HP NetRAID Assistant is the management utility 8 For the Destination Directory type the path of the directory in which to install the utilities on this client or server 9 For Select Folder accept the default or type the name of the folder in which to install the utilities on this client or server 10 When Setup ...

Страница 124: ... and IP addresses of servers with adapters to be managed over the network In Windows NT and Windows 2000 systems you will find the hosts file under this pathname where winnt path is the path to the Windows files winnt path system32 drivers etc hosts In Windows 95 98 systems you will find the hosts file under this pathname where win95 98 path is the path to the Windows files win95 98 path system ho...

Страница 125: ...ad only file This file attribute must be changed to read write before installing the NetRAID Software NetWare on a client connected to NetWare through the network Exit to the DOS prompt and change the file attribute to r w with the attrib command The file is located in the system directory of NetWare on the SYS volume 2 Start the NetWare server and insert the NetRAID Software NetWare diskette 3 At...

Страница 126: ...exec ncf file to add the statement load reg_serv nlm so that the Registration Server will automatically start under NetWare Using HP NetRAID Assistant to Manage Servers Before Starting HP NetRAID Assistant The Registration Server must be running before any other servers are started If the Registration Server is a NetWare server it must be running reg_serv nlm If the Registration Server is a Window...

Страница 127: ...reinstall the HP NetRAID management software as described in this chapter with the new password Start HP NetRAID Assistant Run HP NetRAID Assistant from a client or server in which the HP NetRAID Assistant utility was installed To start HP NetRAID Assistant under Windows 95 or 98 click the HP NetRAID Assistant icon in the HP NetRAID program group or group you specified To start HP NetRAID Assistan...

Страница 128: ...e server selector box on HP NetRAID Assistant a window appears with the choice of access modes Full Access and View Only Select one Full Access mode requires that authorized users enter a password The password is case sensitive The password must be given before full access can be established to a server and each server can require a unique password Full Access mode activates features that let you ...

Страница 129: ...ect Another Server Adapter Pair Use these pull down lists on the HP NetRAID Assistant Main Screen to select the next server adapter pair to be viewed or modified NOTE You cannot leave the current server adapter pair if any operations such as Performance Monitor or the rebuilding or reconstruction of a drive are running in Full Access mode You cannot change from View Only mode to Full Access mode I...

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Страница 131: ... with all network operating systems HP NetRAID Monitor utilities available with each network operating system HP NetRAID Assistant All users configure their systems for the first time using HP NetRAID Assistant This utility has an object oriented GUI You can start this utility in two ways If your NOS is Microsoft Windows NT or Windows 2000 click the HP NetRAID icon in the Windows Program Manager I...

Страница 132: ...ructions on using HP NetRAID Assistant see the HP NetRAID Series User Guide HP NetRAID Config HP NetRAID Config performs the same functions as HP NetRAID Assistant but it runs under Novell NetWare SCO UnixWare and SCO OpenServer HP NetRAID Config allows you to reconfigure and manage your RAID system and monitor its status You do not need to reboot your HP Netserver to use HP NetRAID Config The com...

Страница 133: ... contained in the adapter firmware and available to all network operating systems HP NetRAID Express Tools contains some advanced management features that are not available with HP NetRAID Assistant or HP NetRAID Config To start HP NetRAID Express Tools 1 Log off all users close all applications and power down the HP Netserver 2 Reboot the HP Netserver 3 When the following prompt appears press Ctr...

Страница 134: ...tus of HP NetRAID drives and adapters A complete list of monitor alert messages is available in the HP NetRAID Series User Guide The HP NetRAID monitor utilities start automatically every time you restart the HP Netserver for all NOSs except Novell NetWare To start the monitor utility for Novell NetWare Type load d2 nwserver megamon nlm and press Enter every time you reboot the Netserver or Add th...

Страница 135: ...the power source back to the HP NetRAID 2M adapter Charging the Battery The battery pack is shipped fully charged and it recharges automatically NOTE The full data retention time is not available unless the battery pack is fully charged If the battery pack is not charged set the HP NetRAID cache write policy option to Write Through while charging the battery pack After the battery pack is fully ch...

Страница 136: ...install a new Battery Backup Unit If the battery needs to be changed call an HP Service Representative Connecting the Battery Backup Unit The HP NetRAID 2M adapter is shipped with the Battery Backup Unit installed and charged but disconnected Follow the directions below to connect the Battery Backup Unit CAUTION When the Battery Backup Unit is connected Do not place the HP NetRAID 2M adapter on a ...

Страница 137: ...e factory in an uncharged state It takes approximately six hours to charge the battery after it is first installed Battery Life The HP NetRAID 1M and 2M software warns you when the battery needs to be replaced Under normal usage the battery should last twice the warranty period of the HP NetRAID 2M adapter A new battery pack should be installed every 1 to 5 years Retention Time for Cache Memory Th...

Страница 138: ... for the 128 MB cache The retention time for cache memory varies with the number of SIMMs installed the number of chips on the installed SIMMs the DRAM memory size and the DRAM manufacturer The more SIMMs the adapter has the faster the battery drains ...

Страница 139: ...ws 2000 NOTE For Windows NT and Windows 2000 the monitor capability is integrated into the HP NetRAID Assistant utility Novell NetWare Monitor Messages Table 12 1 NetWare Monitor Messages Condition Messages Physical drive state change HP NetRAID Adapter Channel SCSI ID state previous state to new state Logical drive state change HP NetRAID Adapter LD state previous state to new state Physical driv...

Страница 140: ...cal drive state change Adapter PDrv Channel SCSI ID state change from previous state to new state Physical drive rebuilding when monitor starts Adapter PDrv Channel SCSI ID At startup is in Rebuild state Rebuild percentage completed Adapter PDrv Channel SCSI ID Rbld X over Rebuild failed Adapter PDrv Channel SCSI ID Rbld failed Rebuild over completed Adapter PDrv Channel SCSI ID Rbld over Logical ...

Страница 141: ... 3 5 30 or 50 configuration failed One second on and three seconds off An automatically initiated rebuild has been completed While you were away from the system a disk drive in a RAID 1 3 5 10 30 or 50 configuration failed and was rebuilt NOTE RAID 3 and 30 configurations will only be present if you have migrated from an older controller You cannot configure new RAID 3 or 30 configurations on an H...

Страница 142: ...press Tools select Objects then Adapter then Alarm Control Alarm Control has two options Enable Disable Alarm Choose this option to enable or disable the onboard tone generator The default setting is Enabled Silence Alarm This setting stops the alarm when it goes off ...

Страница 143: ...r memory module Make sure that the adapter supports the memory being used NOTE If no cache is installed the message displayed is MEGARaid Adapter Copyright American Megatrends Inc Cache Memory Error Please check SDRAM connection If problem persists contact Tech Support Press Any Key to Continue Adapter BIOS Disabled No Logical Drives Handled by BIOS Problem The adapter BIOS is disabled This is not...

Страница 144: ...ving the adapter card to another slot Run diagnostics under HP NetRAID Express Tools to verify that the adapter card is functioning properly Configuration of NVRAM and drives mismatch Normal Mismatch Run View Add Delete Configuration option of Configuration Utility Press any key to enter the Configuration Utility Problem There is a single adapter and the configuration stored in the adapter s NVRAM...

Страница 145: ...figuration asks which configuration you want to view NVRAM or disk 3 Use View Add Delete Configuration to examine both configurations 4 Resolve the configuration mismatch by selecting and saving one of the two configurations Configuration of NVRAM and drives mismatch Legacy Array Found Run View Add Delete Configuration option of Configuration Utility Press any key to enter the Configuration Utilit...

Страница 146: ... s and NVRAM on the adapter Problem The configuration stored in the adapter s NVRAM does not match the configuration stored on the drives and configuration information on some drives conflict with configuration information on other drives Suggested solution Do the following to reconfigure your drives and restore you data 1 Press Ctrl M to start HP NetRAID Express Tools as described in Step L in Ch...

Страница 147: ...tRAID Config to determine which physical drive s is not responding and thereby makes the logical drives degraded 2 Correct the problem with the physical drive s by reconnecting replacing or rebuilding the physical drive s 1 Logical Drive Degraded Problem One logical drive signed on in the degraded critical state Suggested solution 1 Use a utility such as HP NetRAID Assistant or HP NetRAID Config t...

Страница 148: ...w Problem The voltage of the battery backing the cache memory is low Suggested solution Fast charge the battery This occurs automatically when the system is on Battery life Low Problem The battery backing the cache memory is approaching its predicted end of life Suggested solution Call an HP Service Representative to replace the battery backup module Battery temperature out of range Problem The te...

Страница 149: ...es mismatch for Host Adapter x Normal Mismatch Run View Add Delete Configuration option of Configuration Utility Press any key to enter the Configuration Utility Error Following SCSI Disk not found and No Empty Slot Available for mapping it Problem The physical disk roaming feature failed to find the physical drive with the listed SCSI ID and no slot is available in which to map the physical drive...

Страница 150: ...utions Check the drive error counts using HP NetRAID Assistant Physical Drive Properties Be aware that the drive error counter clears if the drive is moved or powered off while the adapter remains powered on Format the drive Rebuild the drive If the drive continues to fail replace the drive with another drive with the same capacity and rebuild System Hangs When Scanning Devices for New Configurati...

Страница 151: ...ues to Initialize Problem Firmware Initializing appears and remains on the screen Suggested solutions Be sure that TERMPWR is properly provided to each channel populated with peripheral devices Verify proper termination of each end of the SCSI channel chain with the recommended terminator type for the peripheral device The channel is automatically terminated at the adapter card if only one cable i...

Страница 152: ...y servers For HP NetRAID Assistant to connect to a server it must resolve the server via TCP IP Ping the server by name from the client or server that will run HP NetRAID Assistant If this is unsuccessful then the client or server that will run HP NetRAID Assistant cannot resolve the server using TCP IP Confirm the following conditions The IP addresses are unique The subnet mask is not causing a g...

Страница 153: ...r such as a disk rebuild from being interrupted HP NetRAID Assistant does not list any servers when started other than local When HP NetRAID Assistant starts the Main Screen only lists clientname Local in the pull down list of servers The Registration Server may be down or no servers may have checked in with it Be sure that the Registration Server is working and that it started before the other se...

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Страница 155: ...accessory may be serviced through expedited part shipment In this event HP will prepay shipping charges duty and taxes provide telephone assistance on replacement of the component and pay shipping charges duty and taxes for any part that HP asks to be returned HP warrants this HP Netserver Hardware Accessory against defects in material and workmanship under normal use for the period specified in t...

Страница 156: ...r internal to the HP Netserver system processor unit such as non HP DIMMs or external to the system processor unit such as LAN cabling are subject to standard per incident travel and labor charges HP Repair and Telephone Support U S and Canada For hardware repair or telephone support in the U S and Canada contact HP Customer Support Center Colorado 970 635 1000 24 hours a day 7 days a week Other C...

Страница 157: ...Controllers QLogic ISP10160 SCSI Data Transfer Rate Up to 160 MB sec with Ultra3 drives 80 MB sec with Ultra2 drives 40 MB sec with Ultra drives SCSI Bus Low voltage differential or single ended SCSI SCSI Termination Active Termination Disable Automatic through cable detection Devices per SCSI Channel Up to 12 depending on SCSI mode and storage cabinet SCSI Device Types Supported Low voltage diffe...

Страница 158: ...Ultra3 drives 80 MB sec with Ultra2 drives 40 MB sec with Ultra drives SCSI Bus Low voltage differential or single ended SCSI SCSI Termination Active Termination Disable Automatic through cable detection Devices per SCSI Channel Up to 12 depending on SCSI mode and storage cabinet SCSI Device Types Low voltage differential or single ended SCSI disk drives SCSI Channels Two RAID Levels Supported 0 1...

Страница 159: ...s encouraged to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio television technician for help Hewlett Packard s system certific...

Страница 160: ...r Interference by Information Technology Equipment VCCI Although aimed for residential area operation radio interference may be caused when used near a radio or TV receiver For products labeled as Class A This equipment is in the Class A category information technology equipment based on the rules of Voluntary Control Council For Interference by Information Technology Equipment VCCI When used in a...

Страница 161: ...r Taiwan Class A Warning Statement Required for European Union The HP NetRAID disk array controller was tested for EMC compliance per EN 55022 1994 to class B limits in the HP Netserver LD Pro EMC compliance is achieved in HP Netserver applications ...

Страница 162: ...n a typical configuration 2 The product complies with Part 15 of the FCC rules Operation is subject to the following two conditions This device may not cause harmful interference and This device must accept any interference received including interference that may cause undesired operation The product herewith complies with the requirements of the following directives and carries the CE marking ac...

Страница 163: ...nfiguration selections on the photocopies NOTE SCSI ID 7 is reserved for the HP NetRAID controller For internal mass storage in HP Netserver LH 3000 3000r LH 6000 6000r and LT 6000r SCSI ID 5 is reserved for the SAF TE processor that manages the hot swap mass storage cage For an external mass storage enclosure with a SAF TE processor a SCSI ID is reserved for that processor The number of the reser...

Страница 164: ...sheet A NOTE Since HP NetRAID 1M is a single channel adapter only Channel 0 applies Adapter CH 0 CH 1 Channel Channel 0 PCI Slot Rebuild Rate Array or Hot Spare Type Array or Hot Spare Type SCSI ID Disk Capacity Channel 1 SCSI ID Disk Capacity ...

Страница 165: ...n the Span column 3 you can choose to span this LD over the next 1 7 arrays Enter your choice For the RAID Level column 4 enter 0 1 5 10 or 50 The Logical Drive Size column 5 is optional You can let the HP NetRAID Assistant Wizard calculate the size The Stripe Size column 6 can be 2 4 8 16 32 64 or 128 KB The Write Policy column 7 is either Write Back or Write Thru The Read Policy column 8 can be ...

Страница 166: ...58 WORKSHEET B LOGICAL DEVICES Logical Drive Array Span RAID Level Logical Drive Size Stripe Size Write Policy Read Policy Cache Policy LD0 LD1 LD2 LD3 LD4 LD5 LD6 LD7 LD8 LD9 LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD17 LD18 LD19 ...

Страница 167: ... DEVICES continued Logical Drive Array Span RAID Level Logical Drive Size Stripe Size Write Policy Read Policy Cache Policy LD20 LD21 LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 LD32 LD33 LD34 LD35 LD36 LD37 LD38 LD39 Figure C 2 Worksheet B ...

Страница 168: ... CH 0 CH 1 Channel Channel 0 PCI Slot 5 Rebuild Rate 50 Array or Hot Spare Type Array or Hot Spare Type 1 2 3 4 0 1 2 3 8 9 SCSI ID Disk Capacity Channel 1 SCSI ID Disk Capacity Array 1 Array 1 Dedicated Hot Spare Array 1 Array 2 Array 2 Array 2 Array 0 Array 0 Array 0 Global Hot Spare Figure C 3 Worksheet A ...

Страница 169: ...al Drive Size Stripe Size Write Policy Read Policy Cache Policy LD0 0 No 5 18 GB 64 KB W Back Adapt Cached LD1 1 No 1 4 GB 16 KB W Back Adapt Cached LD2 2 No 5 10 GB 64 KB W Back Adapt Cached LD3 2 No 5 8 GB 64 KB W Back Adapt Cached LD4 LD5 LD6 LD7 LD8 LD9 LD10 LD11 Figure C 4 Sample Worksheet B ...

Страница 170: ...ses RAID level 5 with a capacity of 18 GB The capacity of one physical drive is used for parity Logical Drive 0 has a stripe size of 64 KB Its write policy is Write Back its read policy is Adaptive Read Ahead and its cache policy is Cached Logical Drive 1 is on Array 1 and does not span another array It uses RAID level 1 with a capacity of 4 GB Mirroring uses up half the physical capacity Logical ...

Страница 171: ...rovides the lowest level interface to peripheral devices The RAID BIOS resides on the adapter The first logical drive of each adapter is loaded into the system BIOS where it can be used to boot the Netserver Cache Policy HP NetRAID lets you choose one of two cache policies Cached I O Reads will always be cached regardless of randomness and the selected Read policy Read Ahead Normal or Adaptive and...

Страница 172: ...eight disk modules 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 the arrays controlled by the adapter Only one hot spare can be dedicated to a given array When a disk fails the adapter s firmware automatically replaces and rebuilds the data from the failed disk onto the hot spare disk Dat...

Страница 173: ...o see the SCSI Disk Status below Online all participating disk modules are online Degraded Critical a single disk module in a redundant array not RAID 0 is not online Data loss may result if a second disk module fails Offline two or more disk modules in a redundant array not RAID 0 or one or more disk modules in a RAID 0 array are not online Reconstructing participating disk modules are being reco...

Страница 174: ...ss RAID Redundant Array of Independent Disks originally Redundant Array of Inexpensive Disks is an array of multiple small independent hard disk drives that yields performance exceeding that of a Single Large Expensive Disk SLED A RAID disk subsystem improves I O performance using only a single drive The RAID array appears to the host HP Netserver as a single storage unit I O is expedited because ...

Страница 175: ...r online nor a hot spare and therefore is available to add to an array or to designate as a hot spare Rebuild The regeneration of all data from a failed disk in a RAID level 1 5 10 or 50 array to a replacement disk A disk rebuild normally occurs without interruption of application access to data stored on the logical drive Rebuild Rate The speed at which the rebuild operation proceeds Each adapter...

Страница 176: ...B and 128 KB for each logical drive For best performance choose a stripe size equal to or smaller than the block size used by your host operating system A larger stripe depth produces higher read performance especially if most of the reads are sequential For mostly random reads select a smaller stripe width You may specify a stripe size for each logical drive A 128 KB stripe requires 8 MB of memor...

Страница 177: ...ite of the flushed entry followed for a processor read by a main memory read Write back is efficient because an entry may be written many times in the cache without a main memory access Write Through In a write through cache data is written to main memory at the same time as it is cached Write through is simpler than write back because an entry that is to be replaced can be overwritten in the cach...

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Страница 179: ...emory SIMMs 4 Cache policy 163 planning 38 setting 57 Capacity expansion 7 logical drives 36 RAID Levels 19 20 setting for logical drive 57 Channels See SCSI Channels Chassis label adapter card installation 44 Clear reset configuration 50 Clustering 6 Configuration Overview 23 Configuration Preview window 59 Configuration utilities 65 Configuration Wizard See HP NetRAID Assistant Wizard Configurat...

Страница 180: ...AID Access Service 109 starting 119 HP NetRAID Assistant 73 109 123 exiting 63 features and use 48 launching 46 47 starting 119 toolbar 49 HP NetRAID Assistant Wizard 51 60 Array Definition window 54 automatic mode 28 Configuration Preview window 59 custom mode 29 Logical Drive Definition window 56 starting window 53 HP NetRAID BIOS 163 disable 76 HP NetRAID Config 73 75 124 HP NetRAID driver inst...

Страница 181: ...75 NetWare 4 2 79 80 117 NetWare 5 79 87 Network operating system NOS 72 Network utilities diskette 112 113 New array 53 55 NOS installation instructions 69 70 71 72 NOS specific configuration utility diskette 70 creating on HP Netserver 71 creating on separate workstation 71 Not responding status of SCSI disk 168 NVRAM 61 O Offline state of logical drive 165 Online state of logical drive 165 stat...

Страница 182: ...ation 151 Remote management 107 Rescan 52 Reset clear configuration 50 Restore data 168 Roaming disk 6 S SAF TE processor 155 167 Save binary file 61 Scatter Gather 5 SCSI channels HP NetRAID 167 physical drives on 50 SCSI Channels planning 27 SCSI disk status 168 SCSI ID in HP NetRAID 168 of physical drive 50 SCSI transfer rate 75 SIMMs Cache Memory 4 Span Arrays check box 56 58 Spanning arrays 5...

Страница 183: ...3Si adapter 99 Utilities configuration 65 HP NetRAID Assistant 48 73 123 HP NetRAID Config 73 75 124 HP NetRAID Express Tools 125 HP NetRAID Monitor 126 installing NOS specific 73 latest versions 68 V Virtual sizing 57 80 82 86 87 88 90 92 94 95 96 164 168 disabling 88 96 enabling 83 92 W Warranty hardware accessories limited 147 Windows 2000 configuration utility installation 73 Windows 2000 70 7...

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