Hp NonStop G-Series Manuale Utente Pagina 1

ServerNet Nomadic Disk User’s GuideAbstractThis guide explains remote mirroring and fiber-optic switching of 45xx disk drives connected to Compaq NonS

What’s New in This GuideServerNet Nomadic Disk User’s Guide—425485-001viiiNew and Changed Information

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-36Command Execution Error MessagesCause. The command file file-name is

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-37Command Execution Error MessagesCause. A LOCK SC command failed becau

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-38Switch Protocol Error MessagesSwitch Protocol Error MessagesThese err

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-39Switch Protocol Error MessagesCause. The message length field in a re

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-40Switch Protocol Error MessagesCause. The slot number field in a respo

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-41Switch Protocol Error MessagesCause. The result field in a response m

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-42Switch Protocol Error MessagesCause. The part number/revision field o

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-43Switch Protocol Error MessagesCause. The FRU tracking code field of a

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-44Switch Protocol Error MessagesCause. The manufacture date/time field

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-45Switch Protocol Error MessagesCause. The firmware revision field of a

ServerNet Nomadic Disk User’s Guide—425485-001ixAbout This GuideThis guide describes how to perform a switchover using the Nomadic Disk subsystem. It

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-46Switch Protocol Error MessagesCause. The response message type receiv

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-47Switch Protocol Error MessagesCause. The response message received fr

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-48Switch Protocol Error MessagesCause. The SCC detected a checksum erro

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-49Fatal Application Error MessagesCause. The SCC unexpectedly executed

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-50Environmental Alert MessagesEnvironmental Alert MessagesIn addition t

ServerNet Nomadic Disk User’s Guide—425485-0017-17Nomadic Disk Manager InterfaceStarting the Nomadic Disk Manager 7-2Nomadic Disk Manager Commands7-3

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-2Starting the Nomadic Disk ManagerStarting the Nomadic Disk Manager For

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-3Nomadic Disk Manager Commands•Once you start the Nomadic Disk Manager,

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-4Summary of Nomadic Disk Manager CommandsTAKE Changes the status of a se

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-5ASSUME CommandASSUME Command Use the ASSUME command to set a default se

About This GuideServerNet Nomadic Disk User’s Guide—425485-001xWhere to Get More InformationWhere to Get More InformationYour Comments InvitedAfter us

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-6DOWN CommandDOWN Command The DOWN command performs an SCF STOP DISK com

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-7EXIT CommandEXIT Command Use the EXIT command to exit the Nomadic Disk

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-8GIVE CommandGIVE Command Use the GIVE command to change the status of a

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-9GIVE Command•In a ServerNet Nomadic Disk environment, all data segments

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-10HELP CommandHELP Command Help information for any Nomadic Disk Manager

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-11HISTORY CommandHISTORY Command The Nomadic Disk Manager HISTORY comman

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-12LISTDEV CommandLISTDEV Command Use the LISTDEV command to perform an S

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-13LISTOPENS CommandLISTOPENS Command Use the LISTOPENS command to perfo

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-14OUT CommandOUT Command Use the OUT command to temporarily change the o

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-15RESET CommandRESET Command Use the RESET command to perform an SCF RES

About This GuideServerNet Nomadic Disk User’s Guide—425485-001xiNotation ConventionsNotation Conventions Hypertext LinksBlue underline is used to indi

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-16SEGMENTS CommandSEGMENTS Command The SEGMENTS command lists all the de

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-17SQL CommandSQL Command Do not use the SQL command. STATUS Command Use

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-18STATUS CommandExamples>ND STATUS SEGMENT ONE >ND STATUS SEGMENT

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-19TAKE CommandTAKE Command Use the TAKE command to change the status of

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-20TAKE CommandUPPATH { -P | -B | -M | -MB | PRIMARY | MIRROR }specifies

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-21TMF CommandTMF Command Do not use the TMF command. UP Command Use the

Nomadic Disk Manager InterfaceServerNet Nomadic Disk User’s Guide—425485-0017-22VOLUMES CommandVOLUMES Command Use the VOLUMES command to list the vol

ServerNet Nomadic Disk User’s Guide—425485-001A-1APart NumbersFor a complete list of all part numbers, refer to the ServerNet Nomadic Disk Installatio

Part NumbersServerNet Nomadic Disk User’s Guide—425485-001A-2

ServerNet Nomadic Disk User’s Guide—425485-001B-1BOperational Considerations for Remote MirroringPowering On and Off a Remote I/O Enclosure B-2Powerin

About This GuideServerNet Nomadic Disk User’s Guide—425485-001xiiNotation ConventionsLISTOPENS PROCESS { $appl-mgr-name } { $process-

Operational Considerations for Remote MirroringServerNet Nomadic Disk User’s Guide—425485-001B-2Powering On and Off a Remote I/O EnclosurePowering On

Operational Considerations for Remote MirroringServerNet Nomadic Disk User’s Guide—425485-001B-3Powering Off a System With a Remote I/O EnclosurePower

Operational Considerations for Remote MirroringServerNet Nomadic Disk User’s Guide—425485-001B-4Powering Off a System With a Remote I/O Enclosure

ServerNet Nomadic Disk User’s Guide—425485-001Index-1IndexAAlarm conditions 4-6ALARM, SWCI command 6-9ASSUME command 7-5Asynchronous line parameters 6

IndexServerNet Nomadic Disk User’s Guide—425485-001Index-2FPONTEST expected 6-30POSITION expected 6-30POWER expected 6-30SC slot is EMPTY 6-33SC slot

IndexServerNet Nomadic Disk User’s Guide—425485-001Index-3LLLISTDEV command 7-12LISTOPENS command 7-13LOCK SC command 6-11LOG command, SWCI 6-12Logica

IndexServerNet Nomadic Disk User’s Guide—425485-001Index-4Tconfiguring 6-3, 6-4SWCIcommand prompt 6-7error messages 6-26starting and stopping a SWCI p

About This GuideServerNet Nomadic Disk User’s Guide—425485-001xiiiNotation ConventionsLine SpacingIf the syntax of a command is too long to fit on a s

About This GuideServerNet Nomadic Disk User’s Guide—425485-001xivNotation ConventionsA group of items enclosed in braces is a list of all possible ite

ServerNet Nomadic Disk User’s Guide—425485-0011-11ServerNet Nomadic Disk OverviewRemote Disk Drive Mirroring 1-2Physically Switching the Disk Drives1-

ServerNet Nomadic Disk OverviewServerNet Nomadic Disk User’s Guide—425485-0011-2Remote Disk Drive MirroringThe ServerNet Nomadic Disk subsystem is a c

ServerNet Nomadic Disk OverviewServerNet Nomadic Disk User’s Guide—425485-0011-3Data Paths and Disk Drive Ownership Before aSwitchoverData Paths and D

Ordering InformationFor manual ordering information: domestic U.S. customers, call 1-800-243-6886; international customers, contact your local sales

ServerNet Nomadic Disk OverviewServerNet Nomadic Disk User’s Guide—425485-0011-4Data Paths and Disk Drive Ownership After aSwitchoverData Paths and Di

ServerNet Nomadic Disk OverviewServerNet Nomadic Disk User’s Guide—425485-0011-5Logically Switching a DatabaseLogically Switching a Database While a p

ServerNet Nomadic Disk OverviewServerNet Nomadic Disk User’s Guide—425485-0011-6Unsupported Database Products

ServerNet Nomadic Disk User’s Guide—425485-0012-12Nomadic Disk Hardware and SoftwareHardware and Software Restrictions 2-2Nomadic Disk Software2-2Noma

Nomadic Disk Hardware and SoftwareServerNet Nomadic Disk User’s Guide—425485-0012-2Hardware and Software RestrictionsHardware and Software Restriction

Nomadic Disk Hardware and SoftwareServerNet Nomadic Disk User’s Guide—425485-0012-3Nomadic Disk HardwareNomadic Disk HardwareThe hardware needed in yo

Nomadic Disk Hardware and SoftwareServerNet Nomadic Disk User’s Guide—425485-0012-4Required Hardware for Fiber-Optic SwitchingRemote mirroring up to 4

Nomadic Disk Hardware and SoftwareServerNet Nomadic Disk User’s Guide—425485-0012-5Required Hardware for Fiber-Optic SwitchingFigure 2-1. Hardware Req

Nomadic Disk Hardware and SoftwareServerNet Nomadic Disk User’s Guide—425485-0012-6Required Hardware for Fiber-Optic Switching

ServerNet Nomadic Disk User’s Guide—425485-0013-13Installing and Configuring the Nomadic Disk ManagerNomadic Disk Manager Files 3-2Installing the Nom

Compaq Computer Corporation—425485-001iServerNet Nomadic Disk User’s GuideIndex Examples Figures TablesWhat’s New in This Guide viiGuide Informationvi

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-2Nomadic Disk Manager FilesNomadic Disk Manager Fil

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-3Installing the Nomadic Disk ManagerInstalling the

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-4Installing the Nomadic Disk ManagerExample 3-1. Sa

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-5Configuring the Nomadic Disk ManagerConfiguring th

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-6Nomadic Disk Configuration FileConfiguration File

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-7Nomadic Disk Configuration FileConfiguration File

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-8Nomadic Disk Configuration FileConfiguration File

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-9Nomadic Disk Manager Configuration StatementsNomad

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-10Nomadic Disk Manager Configuration StatementsADD

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-11Nomadic Disk Manager Configuration StatementsADD

ContentsServerNet Nomadic Disk User’s Guide—425485-001ii3. Installing and Configuring the Nomadic DiskManager3. Installing and Configuring the Nomadi

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-12Nomadic Disk Manager Configuration StatementsPROC

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-13Nomadic Disk Manager Configuration StatementsExam

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-14Nomadic Disk Manager Configuration StatementsSET

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-15Nomadic Disk Manager Configuration StatementsSET

Installing and Configuring the Nomadic Disk ManagerServerNet Nomadic Disk User’s Guide—425485-0013-16Nomadic Disk Manager Configuration Statements

ServerNet Nomadic Disk User’s Guide—425485-0014-14Switch ModulesSwitch Controller Card 4-3Front Panel of a Switch Controller Card4-3SCC Key Switch4-4S

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-2Switch modules to control ownership of the disk modules and data paths. To control swi

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-3Switch Controller CardSwitch Controller CardA switch controller card (SCC), installed i

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-4SCC Key SwitchSCC Key SwitchThe key switch on the SCC allows you to access switch cards

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-5SCC LEDsSCC LEDsThe front panel of the SCC contains the following LEDs..Caution. Do no

ContentsServerNet Nomadic Disk User’s Guide—425485-001iii6. Switch Command Interface (SWCI)6. Switch Command Interface (SWCI)Testing the ATP6100 Conf

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-6Alarm PortAlarm PortIf an optional external alarm is connected to the external alarm po

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-7Switch CardSwitch CardSwitch cards, which occupy slots 1 through 8 of a switch module,

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-8Switch Card Toggle SwitchesSwitch Card Toggle SwitchesWhen the key switch on the SCC is

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-9Switch Card LEDsSwitch Card LEDsThe state of the switch is indicated by the switch card

Switch ModulesServerNet Nomadic Disk User’s Guide—425485-0014-10Switch Card LEDs

ServerNet Nomadic Disk User’s Guide—425485-0015-15SwitchoversPreparing for a Switchover 5-2Switchover Examples 5-3Assumptions5-3Moving the Fiber Optic

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-2Preparing for a SwitchoverAfter a switchover, operations continue on the backup node follo

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-3Switchover ExamplesSwitchover Examples The examples in this section show the sequence of e

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-4Moving the Fiber Optic Switches to the OppositePositionMoving the Fiber Optic Switches to

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-5Planned SwitchoversPlanned SwitchoversYou perform a planned switchover to continue operati

ContentsServerNet Nomadic Disk User’s Guide—425485-001ivA. Part NumbersHISTORY Command 7-11LISTDEV Command 7-12LISTOPENS Command 7-13OUT Command 7-14

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-6On Backup Node \BCKOn Backup Node \BCK1. If you are not using the Nomadic Disk Manager:a.

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-7Unplanned SwitchoversUnplanned Switchovers When a primary node fails, you perform an unpla

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-8SwitchbackSwitchbackOn the Backup Node \BCK 1. Stop all applications that access data on N

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-9On the Primary Node \PRIOn the Primary Node \PRI 1. Change the switches.•If not using the

SwitchoversServerNet Nomadic Disk User’s Guide—425485-0015-10On the Primary Node \PRI

ServerNet Nomadic Disk User’s Guide—425485-0016-16Switch Command Interface (SWCI)Testing the ATP6100 Configuration for SWCI 6-2Configuring the ATP6100

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-2Testing the ATP6100 Configuration for SWCITesting the ATP6100 Configur

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-3Configuring the ATP6100 Line for SWCICommunicationsConfiguring the ATP

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-4Configuring the ATP6100 Line for SWCICommunicationsFor SWCI to work co

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-5Switch Module Device Name4. Start the device Starting the DEVICE objec

ContentsServerNet Nomadic Disk User’s Guide—425485-001vTablesTablesTable 3-1. Files in the Nomadic Disk Manager Subvolume 3-2Table 6-1.Summary of SWCI

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-6Starting SWCIStarting SWCI 1. Before starting SWCI, review these consi

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-7Stopping SWCI•To start SWCI from a NonStop Himalaya S-series server ot

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-8SWCI CommandsSWCI CommandsSWCI executes each command as it is entered

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-9ALARM CommandALARM CommandIf an optional external alarm is connected t

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-10EXIT CommandEXIT CommandUse the EXIT command to stop SWCI. . ExampleS

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-11LOCK CommandLOCK CommandThe LOCK command changes the specified switch

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-12LOG CommandLOG CommandThe LOG command starts and stops logging of any

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-13OBEY CommandOBEY CommandThe OBEY command instructs SWCI to execute c

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-14SELFTEST CommandSELFTEST Command The SELFTEST command causes the SC

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-15STATUS CommandsSTATUS CommandsThe STATUS command returns current oper

ContentsServerNet Nomadic Disk User’s Guide—425485-001vi

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-16STATUS CommandsExample: Information Returned by the STATUS CommandHea

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-17STATUS CommandsPosition Current switch card position (STRAIGHT or CRO

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-18STATUS CommandsDisplaying Switch Module Environmental InformationThe

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-19STATUS Commands•To request only power supply voltage information abou

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-20STATUS CommandsExamples•To retrieve status information about all swit

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-21STATUS CommandsDisplaying SCC Status InformationThe STATUS SCC comman

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-22STATUS CommandsExamples•To retrieve all status information about the

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-23SWITCH CommandSWITCH CommandThe SWITCH command changes the switch pos

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-24SWITCH Command•To make sure that the switch card in slot 4 is in the

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-25UNLOCK CommandUNLOCK CommandThe UNLOCK command instructs the specifie

ServerNet Nomadic Disk User’s Guide—425485-001viiWhat’s New in This GuideGuide InformationServerNet Nomadic Disk User’s GuideAbstractThis guide explai

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-26SWCI MessagesSWCI MessagesThis subsection documents all error message

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-27Application Initialization Error MessagesCause. An attempt to obtain

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-28Application Initialization Error MessagesCause. SWCI could not succes

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-29Command Input/Parsing Error MessagesCommand Input/Parsing Error Messa

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-30Command Input/Parsing Error MessagesCause. A STATUS command contained

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-31Command Input/Parsing Error MessagesCause. A LOCK, UNLOCK, or SWITCH

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-32Command Input/Parsing Error MessagesCause. The specified input comman

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-33Command Execution Error MessagesCommand Execution Error MessagesThese

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-34Command Execution Error MessagesCause. An an error occurred during an

Switch Command Interface (SWCI)ServerNet Nomadic Disk User’s Guide—425485-0016-35Command Execution Error MessagesCause. An error occurred during an at