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2. RAID Levels

This section details the RAID levels that the disk array controller supports.

2-1 Characteristics of RAID Levels

The table below lists the characteristics of the RAID levels:

Level

Function

Redundancy

Characteristics

RAID0

Striping

Fastest data read/write
Largest capacity
Capacity: (capacity of single HDD) × (number of HDD

‟s)

RAID1

Mirroring

Yes

Two HDD

‟s required

Capacity: capacity of single HDD

2-2 RAID0

In RAID 0, data is distributed between HDD

‟s. This mode is called "striping."

In the figure below, data is recorded in stripe 1 (disk 0) and stripe 2 (disk 1). Because RAID0 allows HDD

‟s to

be accessed collectively, it can provide the best disk access performance.

Notice

RAID 0 does not provide data redundancy. If a HDD fails, the data saved
on the HDD cannot be recovered.

Disk array controller

HDD 0

Stripe 1

HDD 1

Stripe 3

Stripe 2

Stripe 4

Содержание N8403-019

Страница 1: ...Keep this manual in a safe place N8403 019 Disk Array Controller User s Guide Make sure you read this manual before using the product After reading this manual store it in a safe place...

Страница 2: ...panies 1 2 3 4 5 6 Notes 1 No part of this manual may be reproduced in any form without the prior written permission of NEC Corporation 2 The contents of this manual may be revised without prior notic...

Страница 3: ...ing the disk array controller In addition refer to this manual when a problem occurs Always keep this manual handy for quick reference when necessary For the server in which the disk array controller...

Страница 4: ...for proper and safe operation of the product SAFETY INDICATIONS In the User s Guide WARNING or CAUTION is used to indicate a degree of danger These terms are defined as follows WARNING Indicates the p...

Страница 5: ...illustrates the hazard type Example Precaution against electric shock Prohibited Action This symbol indicates prohibited actions An image in the symbol illustrates a particular prohibited action Examp...

Страница 6: ...dicates that improper use may cause fumes or fire Prohibited Actions Indicates a general prohibited action that cannot be specifically identified Do not disassemble repair or modify the server Otherwi...

Страница 7: ...uments aerospace instruments transportation facilities or instruments NEC does not assume any liability for accidents resulting in injury or death or for any damages to property that may occur as a re...

Страница 8: ...e g pins or paper clips enter the server Failure to follow this warning may cause an electric shock a fire or a failure of the server When such things accidentally enter the server immediately turn of...

Страница 9: ...not use a damaged cable Check the cable condition before connection Using a damaged connector bent connector pin or dirty connector may cause a fire due to a short circuit Do not hold the power plug...

Страница 10: ...may cause an electric shock or a fire due to a short circuit Do not use an unauthorized interface cable NEC Use only interface cables authorized by NEC and locate a proper device and connector before...

Страница 11: ...nts accelerating corrosion e g sulfur sodium chloride or conductive metals There is a risk of a fire due to corrosion and shorts of the internal printed circuit board Consult with your service represe...

Страница 12: ...g before opening the server OFF AC OFF Make sure to power off the server and disconnect the power plug from the AC outlet before opening the server Touching any internal device of the server with its...

Страница 13: ...er containing the product Failure to follow this warning may cause an electric shock Keep animals away from the server Keep animals away from the server containing the product Animal waste and hair ma...

Страница 14: ...xii Express5800 Serial Attached SCSI SAS HDD HDD LAN SCSI VCCI A...

Страница 15: ...Guide For safety symbols see SAFETY INDICATIONS provided earlier Notice Items to observe or points to note when operating the product Check Items to check when operating the product Tips Useful and c...

Страница 16: ...he hard disk drive Data not erased completely may be restored by special software and used for unexpected purposes It is strongly recommended that software or a service for data erasure be used For de...

Страница 17: ...t be restored Data Backup HDD Device failure due to shock or thermal changes as well as operator error may cause loss of data To avoid loss of data NEC recommends that you make a back up copy of your...

Страница 18: ...019 Disk Array Controller Internal SAS HDD User s Guide This manual N8403 019 SAS HDD N8403 019 Disk Array Controller Internal SAS HDD Disk array controller or card MegaRAID Storage Manager TM MSM Op...

Страница 19: ...4 7 2 RAID 8 1 RAID 8 1 1 RAID Redundant Array of Inexpensive Disks 8 1 2 RAID 8 1 3 Disk Group 9 1 4 Virtual Disk 9 1 5 10 2 RAID 10 2 1 RAID 10 2 2 RAID0 10 2 3 RAID1 11 3 12 1 12 1 1 12 1 2 12 2 1...

Страница 20: ...2 5 Virtual Disks 34 2 6 Physical Drives 35 2 7 Configuration Wizard 38 2 8 Adapter Selection 38 2 9 Physical View Logical View 38 2 10 Events 38 2 11 Exit 39 3 40 3 1 Configuration Wizard 40 4 49 4...

Страница 21: ...1 1 1 1 1 MSM OS MegaRAID Storage Manager TM MSM MSM ESMPRO MSM MSM EXPRESSBUILDER Express5800 MegaRAID Storage Manager TM...

Страница 22: ...2 1 2 HDD HDD 3 1 1 MSM...

Страница 23: ...1 1 2 256MB PCI PCI Express 1 0A PCI Express x8 PCI 2 5Gigabits lane HDD SAS SAS 300MB sec RAID 0 1 1 HDD 2 1 HDD2 113 x135 x22 mm 40 x102 x39 mm 0 15kg 3 3V 12V MAX 19 44W 3 3V 0 8A 12V 1 4A 10 C 35...

Страница 24: ...4 3 SAS I F 1 1 2 RAID 1 300MB 300MB 256MB DDR 1 2 SAS HDD 1 2 RAID 0 1 ESMPRO HDD PCI...

Страница 25: ...5 4 4 1 1 Port 0 1 N...

Страница 26: ...6 4 2 SAS...

Страница 27: ...7 4 3 4 4...

Страница 28: ...8 2 RAID RAID 1 RAID 1 1 RAID Redundant Array of Inexpensive Disks HDD RAID HDD 1 HDD 1 HDD HDD RAID HDD 1 2 RAID RAID RAID RAID 0 RAID 1 HDD RAID RAID HDD RAID 0 1 2 RAID 1 2 2 RAID 2 RAID...

Страница 29: ...3 Disk Group HDD HDD 2 2 HDD 2 2 DG 0 36GB 1 36GB DG0 72GB 1 4 Virtual Disk OS 40 HDD 2 2 DG DG RAID1 VD 0 36GB 1 36GB DG0 72GB VD1 2 16GB VD1 1 16GB VD0 1 20GB VD0 2 20GB VD0 RAID1 20GB VD1 RAID1 16...

Страница 30: ...10 1 5 HDD 2 RAID RAID 2 1 RAID RAID RAID0 HDD1 HDD RAID1 HDD 2 HDD1 2 2 RAID0 HDD 1 Disk0 2 Disk1 HDD RAID0 HDD Disk 0 1 Disk 1 3 2 4...

Страница 31: ...11 2 3 RAID1 1 HDD 1 HDD 1 HDD HDD HDD HDD Disk 0 Disk 1 1 2 1 2...

Страница 32: ...1 Rebuild HDD HDD HDD HDD RAID1 HDD HDD HDD 1 1 MegaRAID Storage Manager TM MSM WebBIOS HDD EXPRESSBUILDER Express5800 MegaRAID Storage Manager TM 1 2 MSM HDD HDD HDD HDD HDD HDD 60 RAID1 HDD HDD HDD...

Страница 33: ...Patrol Read HDD MSM HDD HDD HDD HDD Disable MSM HDD EXPRESSBUILDER Express5800 MegaRAID Storage Manager TM 3 Check Consistency RAID1 WebBIOS MSM EXPRESSBUILDER Express5800 MegaRAID Storage Manager TM...

Страница 34: ...14 5 Reconstruction RAID Migration with addition 5 1 Removed physical drive 5 2 Migration only 5 3 Migration with addition HDD MSM Add Drive RAID HDD RAID HDD RAID0 1 RAID1 2 Degraded...

Страница 35: ...15 RAID0 Migration with addition 36GB HDD 1 RAID0 36GB HDD 1 36GB 36GB RAID0 36GB 36GB 36GB Migration with addition RAID1 36GB...

Страница 36: ...16 4 1 4 2 HDD 5 1 Web BIOS 5 2 1Web BIOS 5 3 5 4 1 Check Consistency...

Страница 37: ...17 1 1 1 HDD HDD HDD LAN SCSI 1 OS 2 POWER 3 4...

Страница 38: ...18 2 N8400 029 030 Express5800 120Bb 6 PCI 1 5...

Страница 39: ...19 6 7 2 2 120Bb 6...

Страница 40: ...20 8 1 2 3...

Страница 41: ...21 4 5...

Страница 42: ...22 6 7...

Страница 43: ...23 9...

Страница 44: ...24 10...

Страница 45: ...POST F2 1 ROM Advanced PCI Configuration Mezzanine Type 2 Option ROM Disabled Enabled 2 SCSI Advanced Embedded SCSI SCSI Controller Enabled Disabled Option ROM Scan Enabled Disabled RAID Enable Enable...

Страница 46: ...26 1 1 WebBIOS WebBIOS HDD HDD RAID Stripe Block Read Policy Write Policy IO Policy 1 2 1 DG HDD 2 VD Consistency Check 3 VD OS OS VD 4 TAB Enter Configuration Wizard Shift 5 WebBIOS DianaScope...

Страница 47: ...sion XXXX Build MMM DD YYYY Copyright c 2006 LSI Logic Corporation HA X Bus X Dev X MegaRAID SAS PCI Express TM ROMB FW package X X X XXXX 0 Logical Drive s found on the host adapter 0 Logical Drive s...

Страница 48: ...28 2 2 Main Menu WebBIOS Adapter Selection WebBIOS Start Adapter Selection Adapter No Bus No Device No Type Firmware Version 0 XX XX MegaRAID SAS PCI Express TM ROMB X XX XX XXXX Start...

Страница 49: ...tual Configuration WebBIOS Physical Drives Enclosure XXX PD 0 UNCONF GOOD XXXX MB XXXX XXXX PD 1 UNCONF GOOD XXXX MB XXXX XXXX Adapter Properties Scan Devices Virtual Disks Physical Drives Configurati...

Страница 50: ...e Version X XX XX XXXX WebBIOS Version X XX XXX Sub Vendor ID 0x1033 Sub Device ID 0x8287 Host Interface PCIE Port Count 8 NVRAM Size 32 KB Memory Size 256 MB Firmware Time XXX XX XXXX XX XX XX Serial...

Страница 51: ...Mode None Set Factory Defaults No PDF Interval 300 Cluster Mode Disabled Alarm Control Disabled Rebuild Rate 30 Patrol Read Rate 30 BGI Rate 30 Cache Flush Interval 4 CC Rate 30 Spinup Drive Count 2 R...

Страница 52: ...0 BGI Rate 30 30 CC Rate 30 30 Reconstruction Rate 30 30 Adapter BIOS Enabled Disabled Coercion Mode None 128MB way 1GB way PDF Interval 300 Alarm Control Disabled Enabled Silence Disabled Enabled Sil...

Страница 53: ...HDD WebBIOS HDD HDD Foreign Configuration HDD ClearForeignCfg HDD HDD GuidPreview Import MegaRAID BIOS Configuration Utility Foreign Configuration GuidPreview ClearForeignCfg Cancel 1 Foreign Config...

Страница 54: ...WebBIOS Virtual Disks VD MegaRAID BIOS Configuration Utility Virtual Disks VD X RAID X XXXXXX MB Optimal Fast Initialize Slow Initialize Check Consistency Properties Set Boot Drive Current 0 Go Reset...

Страница 55: ...hysical Drive HDD MegaRAID BIOS Configuration Utility Physical Disks Enclosure XXX PD 0 UNCONF GOOD XXXXXX MB XXXX XXXXX PD 1 UNCONF GOOD XXXXXX MB XXXX XXXXX Rebuild Properties Go Reset Home Back PD...

Страница 56: ...PD HDD Physical Drive HDD Physical Drive 0 Property PD0 Properties Go PD0 MegaRAID BIOS Configuration Utility Physical Disks Enclosure XXX PD 0 UNCONF GOOD XXXXXX MB XXXX XXXXX PD 1 UNCONF GOOD XXXXX...

Страница 57: ...XXX Enclosure ID XXX Slot Number 0 Device Type Disk Connected Port 0 Media Errors XX Pred Fail Count XX SAS Address XXXXXX Physical Drive State UNCONF GOOD Coerced Size XXXXX MB DG 0 Make Global HSP M...

Страница 58: ...iguration Wizard HDD RAID 2 8 Adapter Selection WebBIOS WebBIOS Adapter Selection WebBIOS Adapter Selection 2 9 Physical View Logical View VD WebBIOS DG Physical View DG HDD Logical View DG VD 2 10 Ev...

Страница 59: ...39 2 11 Exit WebBIOS Exit WebBIOS WebBIOS Yes Exit Configuration Exit Application No Yes WebBIOS Reset Page Please Reboot your System...

Страница 60: ...sks using those arrays 3 Configuration Preview Preview configuration before it is saved Please choose appropriate configuration type Clear Configuration Allows you to clear existing configuration only...

Страница 61: ...aspects of the configuration disk groups virtual disks and their parameters Auto Configuration with Redundancy Recommended Automatically creates redundant disk groups and virtual disks where possible...

Страница 62: ...isk Group Definition To add drives to a Disk Group hold Control key while selecting Unconf Good drives and click on Accept DG Drive addition can be undone by selecting the Reclaim button Physical Driv...

Страница 63: ...claim Accept DG Physical Drives Disk Groups Enclosure XXX PD 0 UNCONF GOOD XXXXX MB PD 1 UNCONF GOOD XXXXX MB Reset Accept DG Reclaim Disk Groups DG DG Next Physical Drives Disk Groups Enclosure XXX P...

Страница 64: ...ard VD Definition Virtual Disk 0 Configuration RAID Level RAID 1 DG 0 R0 XXXXX MB R1 XXXXX MB Disk Group n RAID Level Size Available Strip Size 64 KB Access Policy RW Read Policy Normal Write Policy W...

Страница 65: ...RW Read Only Blocked RW Read Policy Normal Ahead Adaptive Normal ReadAhead Adaptive 2 Write Policy WBack WThru BadBBU WBack WThru BadBBU IO Policy Direct Cached Direct Cached Disk Cache Policy Unchang...

Страница 66: ...d VD Definition Virtual Disk 0 Configuration RAID Level RAID 1 DG 0 R0 XXXXX MB R1 XXXXX MB Disk Group n RAID Level Size Available Strip Size 64 KB Access Policy RW Read Policy Normal Write Policy WTh...

Страница 67: ...drives and click on Accept DG Drive addition can be undone by selecting the Reclaim button Physical Drives Disk Groups Enclosure XXX PD 0 DG0 ONLINE XXXXX MB PD 1 DG0 ONLINE XXXXX MB DG 0 VD 0 RAID1 Y...

Страница 68: ...S Physical Drives Enclosure XXX PD 0 DG 0 ONLINE XXXX MB XXXX XXXX PD 1 DG 0 ONLINE XXXX MB XXXX XXXX Adapter Properties Scan Devices Virtual Disks Physical Drives Configuration Wizard Adapter Selecti...

Страница 69: ...l Configuration WebBIOS Physical Drives Enclosure XXX PD 0 DG 0 ONLINE XXXX MB XXXX XXXX PD 1 DG 0 ONLINE XXXX MB XXXX XXXX Adapter Properties Scan Devices Virtual Disks Physical Drives Configuration...

Страница 70: ...tency VD MegaRAID BIOS Configuration Utility Virtual Disks VD X RAID X XXXXXX MB Optimal Fast Initialize Slow Initialize Check Consistency Properties Set Boot Drive Current 0 Go Reset Home Back Virtua...

Страница 71: ...ility Virtual Disks Abort Progress Operation VD0 0 Check Consistency Progress VD X RAID X XXXXXX MB Optimal Fast Initialize Slow Initialize Check Consistency Properties Set Boot Drive Current 0 Go Res...

Страница 72: ...nual Rebuild VD WebBIOS HDD UNCONF GOOD Physical Drives Enclosure XXX PD 0 DG 0 ONLINE XXXX MB XXXX XXXX PD 2 UNCONF GOOD XXXX MB XXXX XXXX PD Missing from DG0 slot1 XXXX MB Virtual Drives DG 0 VD 0 R...

Страница 73: ...vice Type Disk Connected Port 1 Media Errors XX Pred Fail Count XX SAS Address XXXXXX Physical Drive State UNCONF GOOD Coerced Size XXXXX MB DG 0 Make Global HSP Make Dedicated HSP Make Unconf Bad Pre...

Страница 74: ...0 VD HDD HDD 2 RAID1 VD WebBIOS HDD UNCONF GOOD Physical Drives Enclosure XXX PD 0 DG 0 ONLINE XXXX MB XXXX XXXX PD 1 UNCONF GOOD XXXX MB XXXX XXXX Virtual Drives DG 0 VD 0 RAID 1 YYYYY MB Optimal Vir...

Страница 75: ...ID Level 0 State Optimal Size XXXXXX MB Strip Size XX KB DG 0 PD 0 XXXXXX MB Policies Access RW Read Normal Disk Cache Unchanged Write WThru Migration only Disable BGI No I O Direct RAID 0 Change Migr...

Страница 76: ...gration only RAID 1 Migration with addition PD 1 XXXXX MB Reset Go Migration with addition RAID HDD Go Yes Migration is not a reversible operation Do you want to proceed No Yes VD DG HDD Migration Onl...

Страница 77: ...57 Home WebBIOS Scan Devices Consistency Check Rebuild WebBIOS...

Страница 78: ...58 6 1 NEC NEC 2 2 1 HDD EXPRESSBUILDER 2 2 HDD HDD 3 1 1 MSM...

Страница 79: ...59 3 Configuration on Disk COD 3 1 Configuration on Disk COD Configuration on Disk COD HDD HDD HDD 3 2 HDD HDD RAID1 3...

Страница 80: ...ure conditions OFF Immediately after the server is powered off its internal components such as hard disk drives are very hot Leave the server until its internal components fully cool down before insta...

Страница 81: ...rrently usable these VDs will actually run in write through mode until the battery is fully changed or replaced if it is bad or missing The following VDs are affected 00 Press any key to continue MSM...

Страница 82: ...OS 3 OS BIOS Boot Boot PCI SCSI Bus XX Dev XX PCI RAID Ad HDD HDD HDD 4 MSM MSM Mega RAID Storage Manager MSM Windows MSM Controller ID x BBU disables changing WB logical drives to WB Windows MR_MONIT...

Страница 83: ...w DEGRADED VDx Windows MR_MONITOR ID 251 Controller ID x VD is now DEGRADED VDx WebBIOS OS 6 HDD 7 HDD HDD RAID RAID0 RAID0 HDD 8 Degraded HDD RAID RAID0 RAID0 9 MegaRAID Storage Manager MSM Standby H...

Страница 84: ...ns 69 4 1 Disk Array Controller 69 4 2 Backplane Board 70 4 3 Internal Cable 70 4 4 Mounting Screws 3 70 Chapter 2 RAID 71 1 Overview of RAID 71 1 1 What is RAID Redundant Array of Inexpensive Disks 7...

Страница 85: ...hysical View Logical View 100 2 10 Events 100 2 11 Exit 101 3 Creating Virtual Disk 102 3 1 Configuration Wizard 102 4 Operation of Various Features 111 4 1 Check Consistency 111 4 2 Manual Rebuild 11...

Страница 86: ...event log and used for troubleshooting and diagnosis MSM event information can be monitored by using NEC ESMPRO Manual rebuild and Consistency Check can be executed For the installation of MSM refer...

Страница 87: ...nly Maximum PCI bus transfer rate 2 5 Gigabits lane HDD Device interface SAS available Maximum data transfer rate SAS 300 MB sec RAID level 0 or 1 Maximum number of disk array controllers installed in...

Страница 88: ...n cable Features of disk array controller Data transfer rate of up to 300 MB sec 256MB DDR II cache memory Up to two SAS HDD s connectable per board 2 HDD s connectable per channel Support of RAID lev...

Страница 89: ...Rear view 1 Channel 1 Ports 0 and 1 connector The connector allows the disk array controller to be connected to the backplane board 2 N code label Indicates the N code of the disk array controller 3...

Страница 90: ...lane board to be connected to the HDD 5 Card edge connector The connector allows the disk array controller to be connected to the server 6 Internal connector The connector allows the backplane board t...

Страница 91: ...group into several logical drives The host computer recognizes these virtual disks as if they were a single HDD The host computer accesses more than one HDD when configuring a disk group in parallel S...

Страница 92: ...virtual disk is a logical drive defined in a disk group It is recognized as a physical drive by the OS Up to 40 virtual disks are permitted by the disk array controller The figure below shows a sampl...

Страница 93: ...mber of HDD s RAID1 Mirroring Yes Two HDD s required Capacity capacity of single HDD 2 2 RAID0 In RAID 0 data is distributed between HDD s This mode is called striping In the figure below data is reco...

Страница 94: ...g When data is written to a single HDD the same data is written to another HDD If either of the HDD s fails the other HDD containing the same data can substitute for the failed HDD Thus the system can...

Страница 95: ...disk array controller can automatically start the rebuild without using a utility such as MSM The auto rebuild includes Hot swap rebuild When the failed HDD is hot swapped with a new HDD the auto reb...

Страница 96: ...tailed operation refer to the MegaRAID Storage Manager User s Guide on the NEC EXPRESSBUILDER CD ROM that comes with the server 3 Consistency Check Consistency check is used to check the consistency a...

Страница 97: ...RAID level Number of HDD s RAID level Number of HDD s RAID0 1 RAID1 2 Capacity remains unchanged Notice Note the following for the reconstruction Be sure to make a backup copy of data before starting...

Страница 98: ...e below shows an example of adding a single 36GB HDD to a RAID0 virtual disk configured with a single 36GB HDD 36GB Before execution Capacity 36GB Virtual disk RAID0 36GB 36GB 36GB Execute Migration w...

Страница 99: ...ob flow varies depending on the server type or system configuration Check the server type and system configuration before installation to perform the setup correctly Start setup Prepare for setup Inst...

Страница 100: ...ontact your service representative for HDD s which can be connected to the disk array controller Coexistence with other mezzanine cards e g LAN controller SCSI controller etc may be limited Before usi...

Страница 101: ...ug feature Before installing or removing the disk array controller from the server always remove the server from the Blade Enclosure Check Some limitations may be imposed on the installation to the me...

Страница 102: ...sert the disk array controller straight into the mezzanine card slot Type 2 and then secure it with the provided screws Notice When the disk array controller cannot be inserted into the Mezzanine card...

Страница 103: ...been installed in the server remove it 2 Remove the four screws from the front cover 3 Lift the front cover straight up to remove it 4 If a backplane board has been installed remove it Remove the thre...

Страница 104: ...plane board Secure the backplane board with the three screws removed in the previous step 6 Install the front cover Pay attention to the engagement of the connectors 7 Tighten the four screws at both...

Страница 105: ...ect the cable to the disk array controller Notice When connecting each connector at both ends of the internal cable locate the cable so that its lock pin faces upward Then insert the connector until t...

Страница 106: ...86 7 Install the rear cover...

Страница 107: ...he screen as shown below appears after powering on the server while POST is running Press F2 to enter Setup or Press F12 to network Press F2 to enter Setup or Press F12 to network Enable Option ROM Sc...

Страница 108: ...tion of manual rebuild Execution of reconstruction 1 2 Notes on Creating Virtual Drive 1 The HDD s configuring a disk group should have the same capacity and rotation speed 2 Be sure to execute Consis...

Страница 109: ...start message as shown below appears WebBIOS starts upon completion of POST POST screen image with no virtual disk assigned LSI MegaRAID SAS MFI BIOS Version XXXX Build MMM DD YYYY Copyright c 2006 L...

Страница 110: ...90 2 2 Main Menu Shown below is the initial Adapter Selection screen that appears in WebBIOS Select a controller to use in WebBIOS and click Start...

Страница 111: ...91 When the adapter is selected in Adapter Selection the WebBIOS top menu appears...

Страница 112: ...92 2 3 Adapter Properties When you click Adapter Properties in the WebBIOS top menu the configuration information for the disk array controller is displayed...

Страница 113: ...93 Click Next to see the detailed settings of this controller...

Страница 114: ...e 30 Recommended value 30 Permitted Reconstruction Rate 30 Recommended value 30 Permitted Adapter BIOS Enabled Disabled Prohibited Coercion Mode None 128MB way 1GB way Prohibited PDF Interval 300 Proh...

Страница 115: ...Notice If the newly connected HDD contains different configuration information the Foreign Configuration screen as shown below appears To use the HDD as a new one click ClearForeignCfg to clear the co...

Страница 116: ...lick Virtual Disks in the WebBIOS top menu the following screen for configuring virtual disks appears Notice If no virtual disks exist the upper right column of the screen will be blank Use this menu...

Страница 117: ...oller appears Notice The PD numbers are assigned sequentially for each HDD Accordingly they may not be identical to the slot numbers of the HDD To find the slot number of the HDD associated to the PD...

Страница 118: ...his menu to find the slot number where the physical drive HDD is actually installed For example check the properties of Physical Drive 0 1 Click PD0 2 Click the Properties radio button 3 Click Go to d...

Страница 119: ...99 4 The Slot Number column displays the HDD slot number in the server In this example the HDD is installed in slot 0 5 Click Home or Back to exit the menu...

Страница 120: ...bBIOS to configure each one Clicking Adapter Selection in the WebBIOS top menu opens the Adapter Selection screen again 2 9 Physical View Logical View If a virtual disk has been configured using the d...

Страница 121: ...1 Exit When you click Exit in the WebBIOS top menu a confirmation screen to exit WebBIOS is displayed Click Yes to exit WebBIOS The screen as shown below appears when WebBIOS is terminated Restart the...

Страница 122: ...in the WebBIOS top menu the screen as shown below appears Select the relevant operation and click Next at the lower right of the screen Clear Configuration Cears the existing configuration New Config...

Страница 123: ...uration RAID level size and others Auto Configuration with Redundancy Automatically creates redundant virtual disk Auto Configuration without Redundancy Automatically creates non redundant virtual dis...

Страница 124: ...104 Custom Configuration Use this menu to define several physical drives PD as a disk group DG...

Страница 125: ...ick the desired drives while pressing the Ctrl key 2 Upon completion of selection click Accept DG at the lower right of the screen 3 A new DG is defined in the Disk Groups frame After the DG has been...

Страница 126: ...DG that has been created in the previous step When the DG is defined the VD Definition screen is displayed The defined DG is displayed in the Configuration column The available RAID levels and maximu...

Страница 127: ...roller uses read ahead if the two most recent disk accesses occurred in sequential sectors Write Policy WBack WThru BadBBU WBack Unavailable WThru WriteThru BadBBU Unavailable IO Policy Direct Cached...

Страница 128: ...define a RAID1 VD of YYYYY MB 1 Specify the necessary parameters in the Virtual Disk column 2 Enter YYYYY the maximum size allowed for RAID1 in the Select Size field 3 Click Accept at the lower center...

Страница 129: ...The confirmation message Save this Configuration appears Click Yes to save the configuration 7 The confirmation message All data on the new Virtual Disks will be lost Want to Initialize appears Check...

Страница 130: ...110 9 The WebBIOS top menu is displayed The virtual disk you have created is displayed in the lower right frame of the screen...

Страница 131: ...111 4 Operation of Various Features 4 1 Check Consistency 1 Start WebBIOS 2 Click Virtual Disks in the WebBIOS top menu 2...

Страница 132: ...elect a VD to perform Check Consistency from the upper right frame of the Virtual Disks screen 3 4 5 4 Click the Check Consistency radio button in the lower right frame of the Virtual Disks screen 5 C...

Страница 133: ...Click Home at the lower left of the Virtual Disks screen to return to the top menu Notice Click Home while the background task such as Consistency Check Rebuild or Reconstruction is being executed Wit...

Страница 134: ...the Manual Rebuild feature to recover the virtual disk as described below 1 Start WebBIOS Make sure that the status for the replaced HDD is indicated as UNCONF GOOD in the right frame of the top menu...

Страница 135: ...G You need to specify the target DG 6 When Rebuild Progress is displayed click Home at the lower left of the screen to go back to the WebBIOS top menu Notice Click Home while the background task such...

Страница 136: ...ion procedure to add a HDD to a RAID0 virtual disk configured with a single HDD to make a RAID1 virtual disk configured with two HDD s 1 Start WebBIOS Make sure that the status for the added HDD is in...

Страница 137: ...117 2 Select VD 0 already constructed in Virtual Drives 3 The setting menu for VD 0 is displayed...

Страница 138: ...6 Specify the RAID level to use after reconstruction 7 Select a HDD to be added 8 Click Go at the lower right of the screen Information of HDD s in the disk group in which a VD is defined Migration O...

Страница 139: ...e at the lower left of the screen to return to the WebBIOS top menu Notice The capacity of the virtual disk may be incorrectly displayed after reconstruction In this case perform Scan Devices from the...

Страница 140: ...or restore the configuration information of the disk array controller by using the Tools menu of the NEC EXPRESSBUILDER that comes with your server Refer to the User s Guide of the server for details...

Страница 141: ...efected and replaced After the disk array controller is replaced the COD feature can read the configuration information from the HDD to operate the controller normally Check The disk array controller...

Страница 142: ...ller be sure to remove the server from the Blade Enclosure 2 Remove the side cover and several components on the server 3 Remove the internal cable from the disk array controller The internal cables a...

Страница 143: ...until the battery is fully changed or replaced if it is bad or missing The following VDs are affected 00 Press any key to continue Write policy is set to WBack write back in MSM and WebBIOS The disk a...

Страница 144: ...disk array controller inserted into a Mezzanine card slot for which some installation limitations are imposed Check the limitations imposed on the installation of the disk array controller and insert...

Страница 145: ...he capacity of the HDD to be rebuilt smaller than the failed HDD Use a disk with the same capacity as the failed HDD Is the RAID level of the virtual disk RAID0 Rebuild is not possible because RAID0 d...

Страница 146: ...10 October 2006 Ver 1 7 1 TEL 03 3454 1111 NEC Corporation 5 7 1 Shiba Minato ku Tokyo Japan TEL 03 3454 1111 main NEC Corporation 2006 Reprinting or changing of this document without prior approval o...

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