AcQuisition Technology Quad M-module Carrier i4000 Podręcznik Użytkownika

SGI® Total Performance 9100 (2Gb TP9100)Storage System User’s Guide007-4522-003

x 007-4522-003FiguresFigure 2-3 Rack Power Cabling . . . . . . . . . . . . . . 41Figure 2-4 R

84 007-4522-0035: TroubleshootingPower Supply/Cooling Module LEDsFigure 5-2 shows the meanings of the LEDs on the power supply/cooling module.Figure 5

Using Storage System LEDs for Troubleshooting007-4522-003 85RAID LRC I/O Module LEDsFigure 5-3 shows the LEDs on the dual-port RAID LRC I/O module. Fi

86 007-4522-0035: TroubleshootingTable 5-4 explains what the LEDs in Figure 5-3 indicate.Table 5-4 Dual-port RAID LRC I/O Module LEDsLED Description C

Using Storage System LEDs for Troubleshooting007-4522-003 87Figure 5-4 shows the LEDs on the single-port RAID LRC I/O module. Figure 5-4 Single-port R

88 007-4522-0035: TroubleshootingRAID activity This LED flashes green when the RAID controller is active.N/ACache active This LED flashes green when d

Using Storage System LEDs for Troubleshooting007-4522-003 89RAID Loopback LRC I/O Module LEDsThe LEDs on the rear of the RAID loopback LRC I/O module

90 007-4522-0035: TroubleshootingTable 5-6 explain what the LEDs in Figure 5-5 indicate.Drive Carrier Module LEDsEach disk drive module has two LEDs,

Using the Alarm for Troubleshooting007-4522-003 91In addition, the amber drive LED on the ESI/ops panel alternates between on and off every 10 seconds

92 007-4522-0035: TroubleshootingSolving Storage System Temperature IssuesThis section explains storage system temperature conditions and problems in

Using Test Mode007-4522-003 93Thermal AlarmThe four types of thermal alarms and the associated corrective actions are described in Table 5-8. Using Te

007-4522-003 xiTablesTable i Document Conventions . . . . . . . . . . . . . xvTable 4-1 Supported

94 007-4522-0035: TroubleshootingCare and Cleaning of Optical CablesWarning: Never look into the end of a fiber optic cable to confirm that light is

007-4522-003 95Chapter 66. Installing and Replacing Drive Carrier ModulesThis chapter explains how to install a new drive carrier or replace an existi

96 007-4522-0036: Installing and Replacing Drive Carrier ModulesWarning: The disk drive handle might have become unlatched in shipment and might spri

Adding a Drive Carrier Module007-4522-003 97Figure 6-2 Opening the Module Handle 5. Orient the module so that the hinge of the handle is on the right.

98 007-4522-0036: Installing and Replacing Drive Carrier Modules6. Swing the drive handle shut and press it to seat the drive carrier module. The camm

Replacing a Drive Carrier Module007-4522-003 99• “LUN Integrity and Drive Carrier Module Failure” on page 99• “Replacing the Disk Drive Module” on pag

100 007-4522-0036: Installing and Replacing Drive Carrier ModulesReplacing the Disk Drive ModuleIf an LED indicates that a disk drive is defective, fo

Replacing a Drive Carrier Module007-4522-003 101Figure 6-6 Removing the Drive Carrier Module6. Withdraw the module from the drive bay. Replace it imme

007-4522-003 103Appendix AA. Technical SpecificationsThis appendix contains the following sections:• “Storage System Physical Specifications” on page

104 007-4522-003A: Technical SpecificationsTable A-2 shows the weights of various component modules.Table A-3 shows the power requirements and specifi

Environmental Requirements007-4522-003 105Environmental RequirementsTable A-4 provides temperature and humidity requirements for both the rack and tow

106 007-4522-003A: Technical SpecificationsPower RequirementsTable A-6 provides minimum storage system power requirements. Table A-7 provides addition

LRC I/O Module Specifications007-4522-003 107LRC I/O Module SpecificationsTable A-8 provides specifications for the LRC I/O module. Table A-8 LRC I/O

108 007-4522-003A: Technical SpecificationsDisk Drive Module SpecificationsConsult your supplier for details of disk drives supported for use with the

007-4522-003 109Appendix BB. Regulatory InformationThe SGI 2 Gb Total Performance 9100 (2 Gb TP9100) conforms to Class A specifications. Note: This e

110 007-4522-003B: Regulatory InformationInternational Special Committee on Radio Interference (CISPR)This equipment has been tested to and is in comp

Class A Warning for Taiwan007-4522-003 111Class A Warning for Taiwan

007-4522-003 113IndexAaffinity. See LUN affinity and system drive.airflow, 92alarmand troubleshooting, 91at power-on, 76muting, 91thermal, 93with

007-4522-003 xiiiAbout This GuideThis guide explains how to operate and maintain the SGI 2 Gb Total Performance 9100 (2 Gb TP9100) Fibre Channel stora

114 007-4522-003IndexDisk drive carrier module, 19replacement procedure, 95disk drive moduleadding, 95-98antitamper lockdisengaging, 96dual-ported

007-4522-003 115Indexhot spare, 4, 49, 70, 99and availability, 63and drive roaming, 99hot swap disk drive replacement, 95hubcabling to, 36in rack

116 007-4522-003Indexpower, 46checking, 39, 43cord, 37-42requirements, 106PDU, 106rack, 106voltage requirementrack, 40tower, 37Power supplies.

007-4522-003 117IndexRAID 7, 60See also JBOD.strategy for selecting, 61-65supported, 60-61rebuildautomatic, 71regulatory information, 109-111SSCS

118 007-4522-003IndexWwrite cachedisable, 51enable, 50, 64size, RAID controller, 64write-back caching, 50, 64and system drive, 68write-through ca

xiv 007-4522-003About This Guide• Chapter 4, “Using the RAID Controller,” introduces software tools for the controller, gives configuration informatio

About This Guide007-4522-003 xvConventions Used in This GuideTable i contains the conventions used throughout this guide.Product SupportSGI provides a

xvi 007-4522-003About This GuideReader CommentsIf you have comments about the technical accuracy, content, or organization of this document, please co

007-4522-003 1Chapter 11. Storage System OverviewThe SGI 2 Gb Total Performance 9100 (2 Gb TP9100) Fibre Channel storage system provides you with a hi

2 007-4522-0031: Storage System OverviewRAID Configuration Features• 64-drive maximum configuration• 32 logical units maximumRelease 6.0 FeaturesVersi

RAID Configuration Features007-4522-003 3second controller is updated with new firmware image. When the second controller is restarted, I/O is again r

CONTRIBUTORSWritten by Matt HoyIllustrated by Kelly BegleyProduction by Glen Traefald and Karen JacobsonEngineering contributions by Terry Fliflet, Da

4 007-4522-0031: Storage System OverviewNote: Upgrading from 8.40 or 8.50 to 9.03 or later does not cause the new drive sizing algorithm to be used.

RAID Configuration Features007-4522-003 5• Automatic firmware flashing In a dual controller configuration, the firmware of the replacement controller

6 007-4522-0031: Storage System OverviewNote: Rolling upgrades will only be supported on SGI IRIX platforms (as listed in “Supported Platforms” on pa

Storage System Enclosure007-4522-003 7RAID (base) enclosure. An enclosure without a RAID module is a JBOD or expansion enclosure. The expansion enclos

8 007-4522-0031: Storage System OverviewFigure 1-2 shows the rear view of a rackmount enclosure.Figure 1-2 Rear View of Rackmount EnclosureEnclosure C

Enclosure Components007-4522-003 9Note: In simplex RAID configurations, the enclosure will contain a RAID loopback LRC module in place of one of the

10 007-4522-0031: Storage System OverviewFigure 1-4 shows a rear view of the RAID (base) enclosure components.Figure 1-4 RAID (Base) Enclosure Compone

Enclosure Components007-4522-003 11Figure 1-5 JBOD (Expansion) Enclosure Components, Rear ViewThese components are discussed in the following sections

12 007-4522-0031: Storage System OverviewFigure 1-6 shows the ops panel and identifies its components. For more information about the LEDs and configu

Enclosure Components007-4522-003 13Figure 1-7 PSU/Cooling ModuleFour LEDs mounted on the front panel of the PSU/cooling module (see Figure 1-8) indica

007-4522-003 iiiRecord of RevisionVersion Description001 August 2002 Original printing002 February 2003Engineering revisions003 October 2003Firmware a

14 007-4522-0031: Storage System OverviewFigure 1-8 PSU/Cooling Module Switches and LEDsRAID LRC I/O ModulesThe storage system enclosure includes two

Enclosure Components007-4522-003 15Figure 1-9 Dual-port RAID LRC I/O ModuleHost 1Host 0ExpansionRS 232Fault2 Gb2 Gb

16 007-4522-0031: Storage System OverviewFigure 1-10 Single-port RAID LRC I/O ModuleThe RAID LRC I/O modules can address up to 64 disk drives. A maxim

Enclosure Components007-4522-003 17Note: The RAID LRC I/O modules in an enclosure must both be single-port controllers, or they must both be dual-por

18 007-4522-0031: Storage System OverviewFigure 1-12 Dual-port RAID Loopback LRC I/O ModuleJBOD LRC I/O ModuleThe JBOD LRC/IO module uses a Fibre Chan

Enclosure Components007-4522-003 19Figure 1-13 JBOD LRC I/O ModuleFor information about the LEDs on the rear of the JBOD LRC I/O module, see “RAID Loo

20 007-4522-0031: Storage System OverviewFigure 1-14 Drive Carrier ModuleDrive Carrier HandleThe drive carrier module has a handle integrated into its

Enclosure Components007-4522-003 21Figure 1-15). For more information about operating the anti-tamper lock, see “Replacing a Drive Carrier Module” on

22 007-4522-0031: Storage System OverviewFigure 1-16 Dummy Drive Carrier ModuleEnclosure Bay NumberingThis section contains information about enclosur

Enclosure Components007-4522-003 23Figure 1-17 shows the enclosure bay numbering convention and the location of modules in the rackmount enclosure. F

24 007-4522-0031: Storage System OverviewTower Enclosure Bay NumberingThe tower enclosure is 4 bays wide by 4 bays high, and the bays are numbered as

Enclosure Components007-4522-003 25Figure 1-18 Tower Enclosure Bay Numbering and Module LocationsNote: Each enclosure must have drives installed in po

26 007-4522-0031: Storage System OverviewStorage System Rack This section contains information about the 2 Gb TP9100 storage system rack in the follow

Storage System Rack007-4522-003 27 Figure 1-19 Example of 2 Gb TP9100 Rack (Front View)Figure 1-20 is a rear view of the 2 Gb TP9100 rack.TP9100sgisgi

28 007-4522-0031: Storage System OverviewFigure 1-20 Example of 2 Gb TP9100 Rack (Rear View)IDRS232FC-ALLoopsIDRS232FC-ALLoopsIDRS232FC-ALLoops

Storage System Rack007-4522-003 29Power Distribution Units (PDUs)The power distribution units (PDUs) mounted in the rear of the rack provide power to

30 007-4522-0031: Storage System OverviewFigure 1-21 PDU Locations and FunctionsIDRS232FC-ALLoopsIDRS232FC-ALLoopsIDRS232FC-ALLoopsPDUsMain breakerswi

Storage System Rack007-4522-003 31Opening and Closing the Rear Rack DoorTo open the rear rack door, follow these steps:1. Locate the latch on the rear

32 007-4522-0031: Storage System OverviewStorage System TowerThe tower (deskside) version of the storage system houses one RAID enclosure. The tower i

Storage System Tower007-4522-003 33Figure 1-24 shows a rear view of the tower.Figure 1-24 Rear View of TowerThe tower storage system receives power fr

007-4522-003 vContentsFigures . . . . . . . . . . . . . . . . . . . .

34 007-4522-0031: Storage System OverviewFigure 1-25 Tower Storage System Power CordsThe tower enclosure can be adapted for rackmounting; contact your

007-4522-003 35Chapter 22. Connecting to a Host and Powering On and OffThis chapter explains cabling the storage system and powering it on and off in

36 007-4522-0032: Connecting to a Host and Powering On and Offas a host-attached JBOD enclosure, the copper cable/SFP assembly can be replaced with op

Grounding Issues007-4522-003 37This transparent flexibility protects investments in existing infrastructure, enhances storage area network (SAN) robus

38 007-4522-0032: Connecting to a Host and Powering On and OffFigure 2-1 Power Cords for the TowerCaution: Use the power cords supplied with the stor

Connecting the Power Cords and Powering On the 2 Gb TP9100 Tower007-4522-003 39Caution: Some electrical circuits could be damaged if external signal

40 007-4522-0032: Connecting to a Host and Powering On and OffOther modules in the storage system also have LEDs, which are described in “Using Storag

Connecting the Power Cords and Powering On the 2 Gb TP9100 Rack007-4522-003 41Figure 2-3 Rack Power Cabling IDRS232FC-ALLoopsIDRS232FC-ALLoopsIDRS232F

42 007-4522-0032: Connecting to a Host and Powering On and OffChecking Grounding for the RackIf necessary, follow these steps to ensure that a safe gr

Connecting the Power Cords and Powering On the 2 Gb TP9100 Rack007-4522-003 43Warning: The rack PDUs must be connected only to power sources that hav

vi 007-4522-003ContentsEnclosure Components . . . . . . . . . . . . . . . . .

44 007-4522-0032: Connecting to a Host and Powering On and OffFigure 2-4 Rackmount Enclosure ESI/Ops Panel Indicators and SwitchesAt power-on, check t

Powering Off007-4522-003 45Powering Off the 2 Gb TP9100 RackBesides the main breaker switch at the bottom of each PDU, the rack PDUs have breaker swit

46 007-4522-0032: Connecting to a Host and Powering On and OffPowering Off the 2 Gb TP9100 Tower or a Single EnclosureBesides the main breaker switch

007-4522-003 47Chapter 33. Features of the RAID ControllerThis chapter describes features and operation of the RAID controller in the following sectio

48 007-4522-0033: Features of the RAID Controller• Power supply status• Cooling element status• Storage system temperature The LEDs on the ESI/ops pan

Drive Roaming007-4522-003 49COD plays a significant role during the power-on sequence after a controller is replaced. The replacement controller tests

50 007-4522-0033: Features of the RAID Controllerinformation on a replacement disk drive is questionable or invalid, the disk drive will be labeled un

Data Caching007-4522-003 51before this data is written to disk. During this interval there is risk of data loss in the following situations:• If only

52 007-4522-0033: Features of the RAID ControllerRAID Disk TopologiesThe 2 Gb TP9100 RAID enclosure can be configured with any of the following topolo

RAID Disk Topologies007-4522-003 53Simplex Single-port RAID TopologyFigure 3-1 illustrates a simplex single-port RAID configuration that uses a single

Contents007-4522-003 viiRAID Disk Topologies . . . . . . . . . . . . . . . . .

54 007-4522-0033: Features of the RAID ControllerDuplex Single-Port RAID TopologyFigure 3-2 illustrates a duplex single-port RAID configuration. This

RAID Disk Topologies007-4522-003 55Simplex Dual-Port RAID TopologyFigure 3-3 illustrates a simplex dual-port RAID configuration using two hosts. This

56 007-4522-0033: Features of the RAID ControllerDuplex Dual-Port RAID TopologyFigure 3-4 illustrates a duplex dual-port RAID configuration using two

RAID Disk Topologies007-4522-003 57Dual-port Duplex Two-Host RAID ConfigurationFigure 3-5 illustrates a dual-port, duplex, dual-path RAID configuratio

58 007-4522-0033: Features of the RAID ControllerDual-Port Duplex RAID ConfigurationFigure 3-6 illustrates a dual-port quad-path attached duplex RAID

007-4522-003 59Chapter 44. Using the RAID ControllerThis chapter explains the operation of the RAID controller in the following sections:• “Software T

60 007-4522-0034: Using the RAID ControllerRAID LevelsRAID stands for “redundant array of inexpensive disks.” In a RAID storage system, multiple disk

CAP Strategy for Selecting a RAID Level007-4522-003 61• Disk capacity utilization (number of disk drives)• Data redundancy (fault tolerance)•Disk perf

62 007-4522-0034: Using the RAID ControllerIt is impossible to configure an array optimizing all of these characteristics; that is a limitation of the

CAP Strategy for Selecting a RAID Level007-4522-003 63tolerance. RAID 3 and RAID 5 give the next best capacity, followed by RAID 1 and RAID 0+1. Confi

viii 007-4522-003ContentsSolving Storage System Temperature Issues . . . . . . . . . . . . . .

64 007-4522-0034: Using the RAID ControllerController Cache and AvailabilityThe RAID controller has a write cache of 512 MB. This physical memory is u

Disk Topologies007-4522-003 65Configuring for Maximum PerformanceTable 4-5 presents the relative performance advantages of each RAID level.Disk Topolo

66 007-4522-0034: Using the RAID ControllerThe disk drive modules are dual-ported. A RAID controller sees 16 to 32 drives on each loop (A and B), beca

Disk Topologies007-4522-003 67Figure 4-3 Rackmount Enclosure I/O Modules, Channels, and Loops (Front View)However, you can use TPM to reassign target

68 007-4522-0034: Using the RAID Controllermodified for the intended application; see the documentation for the management software included with the

Drive State Reporting007-4522-003 69System Drive Affinity and Programmable LUN MappingSystem drive affinity and programmable LUN mapping are configura

70 007-4522-0034: Using the RAID Controllerdisk drive is considered unconfigured and the operational state is marked unconfigured, offline, or dead.If

Automatic Rebuild007-4522-003 71For more information, see the TPM documentation and online help.Automatic RebuildThe RAID controller provides automati

72 007-4522-0034: Using the RAID ControllerNote: The priority of rebuild activity can be adjusted using the controller parameters to adjust the Rebui

Automatic Rebuild007-4522-003 73The rebuild procedure begins after a REBUILD has been started or power has been cycled to the controllers. Cycling the

007-4522-003 ixFiguresFigure 1-1 Front View of Rackmount Enclosure. . . . . . . . . . 7Figure 1-2 Rear View of

007-4522-003 75Chapter 55. TroubleshootingThe 2 Gb TP9100 storage system includes a processor and associated monitoring and control logic that allows

76 007-4522-0035: TroubleshootingRAID GuidelinesRAID stands for “redundant array of independent disks”. In a RAID system multiple disk drives are grou

Solving Initial Startup Problems007-4522-003 77• There is a storage system fault. See “ESI/Ops Panel LEDs and Switches” on page 79.• There are mixed s

78 007-4522-0035: TroubleshootingUsing Storage System LEDs for TroubleshootingThis section summarizes LED functions and gives instructions for solving

Using Storage System LEDs for Troubleshooting007-4522-003 79ESI/Ops Panel LEDs and SwitchesFigure 5-1 shows details of the ESI/ops panel. Figure 5-1 E

80 007-4522-0035: TroubleshootingThe Ops panel switch settings for a JBOD enclosure are listed in Table 5-2. The ops panel switch settings for a RAID

Using Storage System LEDs for Troubleshooting007-4522-003 815 and 6 RAID host hub speed selectUsed only for RAID configurations.Sw 5Sw 6FunctionOff Of

82 007-4522-0035: TroubleshootingTable 5-3 Ops Panel Configuration Switch Settings for RAIDSwitch Number Function Function when Off Function when On1

Using Storage System LEDs for Troubleshooting007-4522-003 83Note the following:• If all LEDs on the ESI/ops panel flash simultaneously, see “Using Tes