Compaq 4354R - StorageWorks Enclosure Storage Manuel de service

Compaq StorageWorksFirst Edition (June 2001)Part Number: AA-RFAUD-TECompaq Computer CorporationHSG80 ACS Solution Software Version 8.6 for Compaq Tru6

3–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFor V4.0G# mount /dev/rza8c /mntFor V5.1x# mount

Preparing the Host System 3–9HSG80 Units and Tru64 UNIX Utilities This section contains notes on the interactions of some Tru64 UNIX utilities with st

3–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideThe device activity indicator (green light) wil

Preparing the Host System 3–11scu You can use the SCSI CAM Utility (scu) program to see which HSG80 units are available to the Tru64 UNIX Operating Sy

3–12 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideHSG80 units appear like any other SCSI device.

Preparing the Host System 3–13The above display shows activity on all 8 LUNs attached to one SCSI-bus (2), one Target 0. The above list represents inf

Chapter 4Installing and Configuring the HS-Series AgentThe following information is included in this chapter: “Why Use StorageWorks Command Console (

4–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideThe Agent can also be used as a standalone appli

Installing and Configuring the HS-Series Agent 4–3Installation and Configuration OverviewTable 4–2 provides an overview of the installation.Table 4–2

FiguresFigure 1 General configuration flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxFigure 2 C

4–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 4–1. An example of a network connection1

Installing and Configuring the HS-Series Agent 4–5Before Installing the Agent1. Log in as root (superuser). Agent installations on Tru64 UNIX must be

4–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide4. Change directories on the CD-ROM by entering:

Installing and Configuring the HS-Series Agent 4–710. Press press the Enter key. A menu for selecting a client system notification scheme appears:11.

4–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide17. Enter the subsystem name in lowercase letter

Installing and Configuring the HS-Series Agent 4–9Final System Configuration26. Do one of the following:❏ If you are running the Agent in cluster, sel

4–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide4. Change directories on the CD-ROM by entering

Installing and Configuring the HS-Series Agent 4–1110. Press press the Enter key. A menu for selecting a client system notification scheme appears:11.

4–12 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide17. Enter the subsystem name in lowercase lette

Installing and Configuring the HS-Series Agent 4–13Final System Configuration26. Do one of the following:❏ If you are running the Agent in cluster, se

xii HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 2–11 A 3-member RAID 0 stripeset (example

4–14 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideCAUTION: After you make a change to the config

Installing and Configuring the HS-Series Agent 4–15Removing the Agent1. Enter the following and press the Enter key:# setld -d SWCC510The procedure t

4–16 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide2. Do one of the following:❏ Select option y an

Chapter 5Configuration ProceduresThis chapter describes procedures to configure a subsystem that uses Fibre Channel fabric topology. In fabric topolog

5–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideIMPORTANT: These configuration procedures assum

Configuration Procedures 5–3CAUTION: The maintenance port generates, uses, and can radiate radio-frequency energy through its cables. This energy may

5–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 5–2. Single controller cablingConfigurin

Configuration Procedures 5–5See “Worldwide Names (Node IDs and Port IDs),” page 1–28, for the location of the sticker.The node ID is located in the th

5–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideNOTE: Setting the SCSI version to SCSI-3 does n

Configuration Procedures 5–7When FRUTIL asks if you intend to replace the battery, answer “Y”:Do you intend to replace this controller's cache ba

TablesTable 1–1 Unit Assignments and SCSI_VERSION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–21Table 2–1 A Comparison of Container

5–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide13. Turn on the switches, if not done previously

Configuration Procedures 5–9Setting Up a Controller PairPower Up and Establish Communication1. Connect the computer or terminal to the controller as s

5–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideThe following figure shows a controller pair wi

Configuration Procedures 5–11The node ID is located in the third line of the SHOW THIS result:HSG80> show thisController: HSG80 ZG80900583 Softwa

5–12 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide6. Set the topology for the controller. If both

Configuration Procedures 5–1312. Verify node ID, allocation class, SCSI version, failover mode, identifier, and port topology. The following display i

5–14 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideThe first connection will have one or more entr

Configuration Procedures 5–15Configuring DevicesThe disks on the device bus of the HSG80 can be configured manually or with the CONFIG utility. The CO

5–16 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideNOTE: See the ADD MIRRORSET command in the Com

Configuration Procedures 5–174. Assign the RAIDset a unit number to make it accessible by the hosts. See “Assigning Unit Numbers and Unit Qualifiers”

5–18 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideConfiguring a Single-Disk Unit (JBOD)1. Initial

Configuration Procedures 5–19The partition number appears in the first column, followed by the size and starting block of each partition.4. Assign the

5–20 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideAssigning a Unit Number to a Single (JBOD) Disk

Configuration Procedures 5–21Configuration OptionsChanging the CLI PromptTo change the CLI prompt, enter a 1- to 16- character string as the new promp

5–22 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideNOTE: This procedure assumes that the disks th

Configuration Procedures 5–23To disable autospare, use the following command:SET FAILEDSET NOAUTOSPAREDuring initialization, AUTOSPARE checks to see i

5–24 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideChanging RAIDset and Mirrorset SwitchesUse the

Chapter 6Verifying Storage Configuration from the HostThis chapter briefly describes how to verify that multiple paths exist to virtual disk units und

6–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide130: /dev/disk/dsk63c DEC HSG80 bus-5-targ-10-lu

Chapter 7Configuration Example Using CLIThis chapter presents an example of how to configure a storage subsystem using the Command Line Interpreter (C

About this GuideThis guide provides installation and configuration instructions and reference material for operation of the HSG80 ACS Solution Softwar

7–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 7–1 shows an example storage system map f

Configuration Example Using CLI 7–3.Figure 7–2. Example systemThe following figure represents units that are logical or virtual disks comprised of st

7–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 7–3. Example virtual system layout from

Configuration Example Using CLI 7–5RESTART THISSET THIS TIME=10-Mar-2001:12:30:34RUN FRUTILYPlug serial cable from maintenance terminal into bottom co

7–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideMark or tag both ends of Fibre Channel cables.Pl

Configuration Example Using CLI 7–7Mark or tag both ends of Fibre Channel cablesRepeat this process to add connections from the other two hosts. The r

7–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideRUN CONFIGADD RAIDSET R1 DISK10000 DISK20000 DIS

Configuration Example Using CLI 7–9ADD UNIT D2 S2 DISABLE_ACCESS_PATH=ALLSET D2 ENABLE_ACCESS_PATH=(GREY1A1, GREY1B1, GREY2A2, GREY2B2)INITIALIZE DISK

Chapter 8Backing Up the Subsystem, Cloning Data forBackup, and Moving StoragesetsThis chapter describes some common procedures that are not mentioned

xvi HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideText ConventionsThis document uses the following

8–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideCloning Data for BackupUse the CLONE utility to

Backing Up the Subsystem, Cloning Data for Backup, and Moving Storagesets 8–3Figure 8–1. Steps the CLONE utility follows for duplicating unit members

8–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideThe following example shows the commands you wou

Backing Up the Subsystem, Cloning Data for Backup, and Moving Storagesets 8–5USE AVAILABLE DEVICE DISK20300(SIZE=832317) FOR MEMBER DISK10000(SIZE=832

8–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideMoving StoragesetsYou can move a storageset from

Backing Up the Subsystem, Cloning Data for Backup, and Moving Storagesets 8–75. Delete each disk drive, one at a time, that the storageset contained.

Appendix ASubsystem Profile TemplatesThis appendix contains storageset profiles to copy and use to create your system profiles. It also contains an en

A–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideStorageset ProfileStorageset Name Disk DrivesUni

Subsystem Profile Templates A–3Storage Map Template 1 for the BA370 EnclosureUse this template for: BA370 single-enclosure subsystems first enclosur

About this Guide xviiSymbols in TextThe symbols found in this guide have the following meanings:WARNING: Text set off in this manner indicates that f

A–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideStorage Map Template 2 for the second BA370 Encl

Subsystem Profile Templates A–5Storage Map Template 3 for the third BA370 EnclosureUse this template for the third enclosure of multiple BA370 enclosu

A–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideStorage Map Template 4 for the Model 4214R Disk

Subsystem Profile Templates A–7Storage Map Template 5 for the Model 4254 Disk EnclosureUse this template for a subsystem with a three-shelf Model 4254

A–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidecontinued from previous pageModel 4254 Disk Encl

Subsystem Profile Templates A–9Storage Map Template 6 for the Model 4310R Disk EnclosureUse this template for a subsystem with a six-shelf Model 4310R

A–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidecontinued from previous pageModel 4310R Disk En

Subsystem Profile Templates A–11Storage Map Template 7 for the Model 4350R Disk EnclosureUse this template for a subsystem with a three-shelf Model 43

A–12 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideStorage Map Template 8 for the Model 4314R Disk

Subsystem Profile Templates A–13continued from previous pageModel 4314R Disk Enclosure Shelf 1 (single-bus)Bay1234567891011121314SCSI ID 00 01 02 03 0

xviii HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuidePower Supplies or Systems marked with these sy

A–14 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideStorage Map Template 9 for the Model 4354R Disk

Appendix BInstalling, Configuring, and Removing the ClientThe following information is included in this appendix: “Why Install the Client?,” page B–1

B–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideBefore You Install the Client1. Verify you are l

Installing, Configuring, and Removing the Client B–33. Select HSG80 Controller and click Next. NOTE: If the computer does not find a previous install

B–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideIf the Network Information Services (NIS) are be

Installing, Configuring, and Removing the Client B–5Adding the Storage Subsystem and its Host to the Navigation TreeThe Navigation Tree enables you to

B–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure B–2. Navigation window showing storage h

Installing, Configuring, and Removing the Client B–7Removing the Command Console ClientBefore you remove the Command Console Client (CCL) from the com

B–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideWhere to Find Additional InformationYou can find

GlossaryThis glossary defines terms pertaining to the ACS solution software. It is not a comprehensive glossary of computer terms.adapter A device tha

About this Guide xixConfiguration FlowchartA three-part flowchart is shown on the following pages. Refer to these charts while configuring a new stora

Glossary–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidebad block replacementAbbreviated BBR. A r

Glossary–3coax A two-conductor wire in which one conductor completely wraps the other with the two separated by insulation.cold swap A method of devic

Glossary–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidedata striping The process of segmenting l

Glossary–5EIA The abbreviation for Electronic Industries Association. EIA is a standards organization specializing in the electrical and functional ch

Glossary–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFC–PH The Fibre Channel Physical and Sign

Glossary–7FMU Fault management utility. forced errors A data bit indicating a corresponding logical data block contains unrecoverable data.frame An in

Glossary–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidehost adapter A device that connects a hos

Glossary–9I/O Refers to input and output functions.I/O driver The set of code in the kernel that handles the physical I/O to a device. This is impleme

Glossary–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidelogical unit A physical or virtual devic

Glossary–11metadata The data written to a disk for the purposes of controller administration. Metadata improves error detection and media defect manag

© 2001 Compaq Computer Corporation. Compaq, the Compaq logo, and StorageWorks Registered in U.S. Patent and Trademark Office.Microsoft, MS-DOS, Window

xx HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 1. General configuration flowchartConfigu

Glossary–12 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidenonredundant controller configuration(1)

Glossary–13participating mode A mode within an L_Port that allows the port to participate in loop activities. A port must have a valid AL_PA to be in

Glossary–14 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guideprimary cabinet The primary cabinet is t

Glossary–15RAID level 5 A RAID storageset that, unlike RAID level 3, stores the parity information across all of the disk drives within the storageset

Glossary–16 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidereplacement policy The policy specified

Glossary–17serial transmission A method transmission in which each bit of information is sent sequentially on a single channel rather than simultaneou

Glossary–18 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidestripe The data divided into blocks and

Glossary–19ULP process A function executing within a Fibre Channel node which conforms to the Upper Layer Protocol (ULP) requirements when interacting

Glossary–20 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidewrite-through cachingA cache management

IndexAaccessing the CLI, SWCC 1−23, 5−29accessing the configuration menuAgent 4−59, 4−62, 4−63ADD CONNECTIONSmultiple-bus failover 1−21transparent fai

About this Guide xxiFigure 2. Configuring storage with the CLICreate Storagesets and Partitions:Stripeset, Page 5-15Mirrorset, Page 5-15RAIDset, Page

Index–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidetoggling startup 4−59, 4−62, 4−70uninstallin

Index–3comparison of container types 2−12completing configuration 3−39Configurationfabric topologyprocedure flowchartillustrated 1−ξξιϖconfigurationba

Index–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideDddTru64 UNIX utility 3−73DECsafe 3−71deleti

Index–5First enclosure of multiple-enclosure subsystemstorage map template 1 A−3, A−6, A−7, A−9,A−11, A−12, A−14format utilitylabeling LUNs 3−69functi

Index–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideLlabeling LUNsformat utility 3−69launchingCl

Index–7online helpSWCC B−8optionsfor mirrorsets 2−25for RAIDsets 2−24initialize 2−26other controller 1−3Ppager notification B−8configuring B−8partitio

Index–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guidestorage configuration 1−23restartingAgent 4−

Index–9RAIDsets 2−18striped mirrorsets 2−20stripesets 2−14profile 2−12example 2−13profiles A−1storageset profile 2−12storageset switchesSET command 2−

Index–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration UuninstallingAgent 4−73Client B−7unit numbersass

xxii HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 3. Configuring storage with SWCCGetting

About this Guide xxiiiBe sure to have the following information available before you call Compaq: Technical support registration number (if applicabl

Chapter 1Planning a SubsystemThis chapter provides information that helps you plan how to configure the subsystem. Refer to Chapter 2 when planning th

1–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideDefining the SubsystemsThis section describes th

Planning a Subsystem 1–3Figure 1–2. Location of controllers and cache modules in a BA370 enclosureController Designations “This Controller” and “Othe

1–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 1–3. “This controller” and “other contro

Planning a Subsystem 1–5Selecting a Failover ModeFailover is a way to keep the storage array available to the host if one of the controllers becomes u

ContentsAbout this GuideText Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideUnits are divided between the host ports: Units

Planning a Subsystem 1–7Figure 1–6. Transparent failover—after failover from controller B to controller AMultiple-Bus Failover Mode Multiple-bus fail

1–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideIn multiple-bus failover mode, you can specify w

Planning a Subsystem 1–9Figure 1–7. Typical multiple-bus configurationSelecting a Cache ModeThe cache module supports read, read-ahead, write-through

1–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideRead Caching When the controller receives a rea

Planning a Subsystem 1–11Enabling Mirrored Caching In mirrored caching, half of each controller’s cache mirrors the companion controller’s cache, as s

1–12 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideThe CCL does the following: Allows the RAID Ar

Planning a Subsystem 1–13Enabling/Disabling CCL in SCSI-3 ModeThe CCL is enabled all the time. There is no option to enable/disable.ConnectionsThe ter

1–14 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide If a controller pair is in transparent failov

Planning a Subsystem 1–15Figure 1–10. Connections in single-link, transparent failover mode configurationsCXO7079BHostport 1activeHostport 2activeD10

iv HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideEnabling the CCL . . . . . . . . . . . . . . . .

1–16 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 1–11. Connections in multiple-bus failo

Planning a Subsystem 1–17 The UNIT_OFFSET switch in the ADD CONNECTIONS (or SET connections) commands The controller port to which the connection is

1–18 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 1–12. LUN presentation to hosts, as det

Planning a Subsystem 1–19Matching Units to Host Connections in Multiple-Bus Failover ModeIn multiple-bus failover mode, the ADD UNIT command creates a

1–20 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideAssigning Host Connection Offsets and Unit Numb

Planning a Subsystem 1–21Table 1–1 summarizes the recommendations for unit assignments based on the SCSI_VERSION switch.Selective Storage Presentation

1–22 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideRestricting Host Access by Separate LinksIn tra

Planning a Subsystem 1–23Restricting Host Access by Disabling Access PathsIf more than one host is on a link (that is, attached to the same port), hos

1–24 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFor example:In Figure 1–13, assume both host co

Planning a Subsystem 1–25Figure 1–14. Limiting host access in multiple-bus failover modeCXO7078B Hostport 1activeHostport 2activeHostport 2activeHost

vChanging Characteristics through Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–23Enabling Switches . .

1–26 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFor example:Figure 1–14 shows a representative

Planning a Subsystem 1–27Restricting Host Access by OffsetsOffsets establish the start of the range of units that a host connection can access. Howeve

1–28 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideWorldwide Names (Node IDs and Port IDs) A world

Planning a Subsystem 1–29Figure 1–15 shows the placement of the worldwide name label for the Model 2200 enclosure, and Figure 1–16 for the BA370 enclo

1–30 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideUnit Worldwide Names (LUN IDs)In addition, each

Chapter 2Planning StorageThis chapter provides information to help you plan the storage configuration of your subsystem. Use the guidelines found in t

2–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideWhere to StartThe following procedure outlines t

Planning Storage 2–3Configuration RulesReview the following requirements and conditions to ensure that the storage configuration you are planning is a

2–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 2–1. PTL naming conventionThe controller

Planning Storage 2–5The Model 2200 controller enclosure can be combined with the following: Model 4214R disk enclosure — Ultra2 SCSI with 14 drive ba

vi HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideHSG80 Units and Tru64 UNIX Utilities. . . . . . .

2–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 2–3. PTL addressing in a single-bus conf

Planning Storage 2–7Figure 2–4. PTL addressing in a dual-bus configuration, three Model 4350R disk enclosuresModel 4350R Disk Enclosure Shelf 1 (dual

2–8 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 2–5. PTL addressing in a single-bus conf

Planning Storage 2–9Figure 2–6. PTL addressing in a dual-bus configuration, three Model 4354R disk enclosuresModel 4354R Disk Enclosure Shelf 1 (dual

2–10 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 2–7. Mapping a unit to physical disk dr

Planning Storage 2–11Choosing a Container TypeDifferent applications may have different storage requirements. You probably want to configure more than

2–12 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideTable 2–1 compares the different kinds of conta

Planning Storage 2–13Storageset Name R1Disk Drives D10300, D20300, D10400, D20400Unit Number D101Partitions:RAIDset Switches:Mirrorset Switches:Initia

2–14 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideStorageset Planning ConsiderationsThis section

Planning Storage 2–15The relationship between the chunk size and the average request size determines if striping maximizes the request rate or the dat

viiConfigure Controller Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5–5Restart the Controller

2–16 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide Striping does not protect against data loss.

Planning Storage 2–17Figure 2–12. Mirrorsets maintain two copies of the same dataFigure 2–13. Mirrorset example 2Keep these points in mind when plan

2–18 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide A mirrorset should only contain disk drives o

Planning Storage 2–19RAIDsets are similar to stripesets in that the I/O requests are broken into smaller “chunks” and striped across the disk drives.

2–20 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideStriped Mirrorset Planning ConsiderationsStripe

Planning Storage 2–21Figure 2–16. Striped mirrorset (example 2)Plan the mirrorset members, and plan the stripeset that will contain them. Review the

2–22 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuidePartition Planning ConsiderationsUse partitions

Planning Storage 2–23Guidelines for Partitioning Storagesets and Disk DrivesKeep these points in mind when planning partitions for storagesets and dis

2–24 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideIf you use CLI commands to configure the storag

Planning Storage 2–25Mirrorset SwitchesUse the following switches to control how a mirrorset behaves to ensure data availability: Replacement policy

viii HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideChanging RAIDset and Mirrorset Switches . . . .

2–26 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideChunk SizeSpecify the chunk size of the data to

Planning Storage 2–27Large chunk sizes also tend to increase the performance of random reads and writes. It is recommended that you use a chunk size o

2–28 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideSave ConfigurationThe SAVE CONFIGURATION switch

Planning Storage 2–29 CAPACITY—the number of logical blocks. The range is from 1 to the maximum container size. CYLINDERS—the number of cylinders us

2–30 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideExample Storage Map - Model 4310R Disk Enclosur

Planning Storage 2–31Figure 2–19. Model 4310R disk enclosure − example storage mapModel 4310R Disk Enclosure Shelf 4 (single-bus)Bay12345678910SCSI I

2–32 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideExample Storage Map - Model 4350R Disk Enclosur

Planning Storage 2–33Figure 2–20. Model 4350R disk enclosure − example storage mapExample Storage Map - Model 4314R Disk EnclosureFigure 2–21 shows a

2–34 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration Guide Unit D101 is a 2-member striped mirrorset nam

Planning Storage 2–35Figure 2–21. Model 4314R disk enclosure − example storage mapModel 4314R Disk Enclosure Shelf 4 (single-bus)Bay 1234567891011121

ixAdding the Storage Subsystem and its Host to the Navigation Tree. . . . . . . . . . . . . . . . . . . . . . B–5Removing the Command Console Client

2–36 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideExample Storage Map - Model 4354R Disk Enclosur

Planning Storage 2–37Figure 2–22. Model 4354R disk enclosure − example storage mapModel 4354R Disk Enclosure Shelf 1 (dual-bus)SCSI Bus A SCSI Bus BB

2–38 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideUsing the LOCATE Command to Find DevicesIf you

Chapter 3Preparing the Host SystemThis chapter describes how to prepare your Tru64 UNIX host computer to accommodate the HSG80 controller storage subs

3–2 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideCAUTION: Controller and disk enclosures have no

Preparing the Host System 3–3Figure 3–1. Dual-Bus Enterprise Storage RAID Array Storage System1 SCSI Bus 1 Cable 2 SCSI Bus 2 Cable3 SCSI Bus 3 Cable

3–4 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuideFigure 3–2. Single-Bus Enterprise Storage RAID

Preparing the Host System 3–5Making a Physical ConnectionTo attach a host computer to the storage subsystem, install one or more host bus adapters int

3–6 HSG80 ACS Solution Software Version 8.6 for Compaq Tru64 UNIX Installation and Configuration GuidePreparing LUNs for Access by Tru64 UNIX FileSyst

Preparing the Host System 3–7For example, to create partitions on block device, dsk8, enter:# disklabel -rw dsk8 HSG80To view a LUN partition, enter:#