Hitachi HVM Navigator V03-06 Manuale utente

MK-99COM024-09

Hitachi Compute Blade

HVM Navigator User's Guide - Migration

Document organization

Product version

Getting help

Contents

AST

IND

INKS

HVM Navigator User's Guide - Migration

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Contents iii

HVM Navigator User's Guide - Migration

Contents

Preface ....................................................................................................ix

Intended audience ................................................................................................x

Product version.....................................................................................................x

Release notes .......................................................................................................x

Document organization......................................................................................... xi

Referenced documents......................................................................................... xi

Document conventions .........................................................................................xii

Convention for storage capacity values.................................................................xiii

Getting help........................................................................................................xiv

Comments ..........................................................................................................xiv

Overview...............................................................................................1-1

Usage environments ..............................................................................2-1

Environment ......................................................................................................2-2

Environment for Shutdown mode..................................................................2-2

Environment for Concurrent Maintenance mode ............................................2-5

Time period for migration ...................................................................................2-8

Time period for Shutdown mode...................................................................2-8

Time period for Concurrent Maintenance mode .............................................2-8

Application requirements ..................................................................................2-10

Application requirement for Shutdown mode...............................................2-14

Application requirement for Concurrent Maintenance mode.......................... 2-39

Migration procedures .............................................................................3-1

Shutdown mode.................................................................................................3-2

Procedure for Shutdown mode .....................................................................3-3

Recovering LPAR .......................................................................................3-13

Concurrent Maintenance mode..........................................................................3-19

Prerequisite setting....................................................................................3-19

iv Contents

HVM Navigator User's Guide - Migration

Procedure for Concurrent Maintenance mode ..............................................3-28

Checking if Concurrent Maintenance mode finished normally........................3-43

Recovering LPAR........................................................................................3-45

Rolling back WWNs....................................................................................3-51

Policy migration................................................................................................3-56

Procedure to create migration policy ...........................................................3-57

Procedure to execute Policy migration.........................................................3-62

Procedure to interrupt Policy migration........................................................3-66

Procedure to edit Policy migration...............................................................3-67

Return migration ..............................................................................................3-74

Exchanging or updating hardware or software....................................................3-74

Saving and backing up HVM configuration..........................................................3-75

Saving HVM configuration...........................................................................3-75

Backing up HVM configuration ....................................................................3-77

Registering/removing migration WWN................................................................3-80

Flow to register/remove migration WWN .....................................................3-81

Prerequisite Setting....................................................................................3-82

Registering migration WWN to host group...................................................3-96

Removing migration WWN from host group.................................................3-98

Giving migration WWN a nickname ...........................................................3-100

Exporting CSV file ....................................................................................3-104

Adding storage device..............................................................................3-106

Commands for Storage Navigator Modular 2 CLI executed from HVM Navigator3-113

Other functions and settings................................................................... 4-1

Functions and settings for Shutdown and Concurrent Maintenance modes .............4-2

Checking applicable conditions before migration execution.............................4-2

Specifying LAN port (IP address) for management server...............................4-4

Tracing back Migration History on LPARs.......................................................4-5

Functions and settings for Shutdown mode..........................................................4-7

Automatic shutdown of source LPAR.............................................................4-7

Automatic shutdown setup ...........................................................................4-8

Changing setting of CPU, memory and service ratio on destination ...............4-10

Functions and settings for Concurrent Maintenance mode...................................4-11

Executing Rehearsal...................................................................................4-11

Executing Connectivity Test........................................................................4-14

Extending timeout period for LPAR migration in Concurrent Maintenance mode4-17

Canceling LPAR migration...........................................................................4-19

Monitoring memory transfer .......................................................................4-21

Usage notes.......................................................................................... 5-1

Backing up and restoring HVM configuration ........................................................5-5

Backing up HVM configuration ......................................................................5-5

Contents v

HVM Navigator User's Guide - Migration

Restoring HVM configuration........................................................................5-5

Initialization of HVM configuration (DC command of management module)............5-6

Changing HVM system time on destination HVM...................................................5-7

Operation deterrence..........................................................................................5-7

Exchanging NIC or FC HBA switches while server blade is in operation..................5-7

Setting network segment assigned to activated LPARs as migration path...............5-8

State of NIC or FC HBA ports on destination HVM.................................................5-8

High CPU and network load ................................................................................5-8

Migration to destination with difference on connection to storage device ...............5-9

Changing VNIC System No. on the system environment where LPAR migration has

been executed...........................................................................................5-10

Migration of parameters to apply remote shutdown to source LPAR.....................5-10

Service ratio after migration..............................................................................5-11

Migration of server with dedicated PCI device allocation .....................................5-11

Migration of MAC addresses.............................................................................. 5-11

Migration of WWPNs......................................................................................... 5-11

Migration of LPAR enabling VC (Virtual COM) console.........................................5-12

Migration of LPAR with assigned virtual NICs .....................................................5-12

Ports with Inter-LPAR Packet Filterings set to "Enable" are assigned to the LPAR to

migrate..................................................................................................... 5-12

Migration of USB assignment state ....................................................................5-13

Scheduling mode of assigned USB is dedicated............................................ 5-13

Scheduling mode of assigned USB is exclusive shared.................................. 5-14

Certain FC HBA port is changed from shared to dedicated ..................................5-16

Duplication of displayed or retrieved WWN.................................................. 5-16

Failure on remote shutdown of Windows ........................................................... 5-16

Shutting down or rebooting guest OS on the LPAR to migrate.............................5-17

Migrating LPAR where EFI Shell is running.........................................................5-19

Packet-lost during LPAR migration.....................................................................5-19

Memory high-load on guest OS on the LPAR to migrate......................................5-19

Clock on guest OS on the LPAR to migrate in Concurrent Maintenance mode.......5-20

Network setting on Linux OS on the LPAR to migrate..........................................5-20

Checking if the states of FC HBA ports are stable ...............................................5-21

Guide to resolution of slow update ....................................................................5-23

Values of Processor Node and Memory Node .....................................................5-23

Display in Source and Destination group box......................................................5-23

Policy migration................................................................................................5-24

Executing migrations by operating multiple HVM Navigators ...............................5-24

Migration timeout in Concurrent Maintenance mode...........................................5-24

Setting of scheduling operation for the LPAR to migrate .....................................5-24

Backing up HVM configuration by operating SC/BSM...........................................5-24

SC/BSM alerts for Shutdown mode ....................................................................5-25

SC/BSM alerts for Concurrent Maintenance mode...............................................5-25

SC/BSM Display after Migration with Windows Server 2008 R2............................5-26

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HVM Navigator User's Guide - Migration

N+M Failover during Migration ..........................................................................5-26

Migrating LPAR form the standby server blade after Cold standby switching.........5-27

Test of Configuring N+M Cold Standby ..............................................................5-28

Cold standby switching after migration...............................................................5-28

Combined use with Uninterruptible Power Supply (UPS)......................................5-28

Suppression of HVM auto shutdown during migration .........................................5-28

Troubleshooting..................................................................................... 6-1

Troubleshooting flow ..........................................................................................6-2

Taking action when LPAR activation has been disabled .........................................6-3

Taking action when Policy migration has failed.....................................................6-3

Troubleshooting FAQs.........................................................................................6-7

Error message “Failed Get Migration List (mms: ls)” popped up ......................6-7

Remote shutdown of server has failed.........................................................6-10

Migration has failed with “The source LPAR is activated” message ................6-13

Migration has failed with “The specified blade is busy” message ...................6-15

Source and destination panes show “Un-registration” chassis .......................6-16

Migration has failed by response timeout.....................................................6-17

Migration has failed with “Error occurred during initialization of VM” message6-18

Cannot access guest OS.............................................................................6-19

Migration has failed with “Transferring device data cannot be completed within

an LPAR suspension period.” message..................................................6-20

Migration has failed with “Connection refused (HVM-HVM)” message............6-21

Migration has failed with “Wait until another operation is completed, and retry.”

message.............................................................................................6-22

Migration has failed with “HVM access error” message.................................6-23

Migration has failed with “LPAR Migration process was canceled Memory write is

intensive.” message.............................................................................6-24

Migration has failed after Migration process had been completed..................6-25

Migration has failed with

"EMG000000003004006:000000000000003b:0000000000000030:(0):HVM(S

RC):Internal error." .............................................................................6-26

Migration has failed with

"EMG000000002ab4006:000000000000003e:0000000000000030:(0):HVM(S

RC):Internal error. The HVM detected an FC error." ..............................6-27

Migration has failed with "LPAR Migration was canceled. FC Login timeout

(Migration WWN)."..............................................................................6-28

Migration has failed with "HVM(SRC):Internal error. The HVM detected an FC

error." ................................................................................................6-29

Migration has failed with

"EMG0000000000003005:0000000000000000:0000000000000222:(1):LPAR

Mover(DST):Unknown error"................................................................6-30

Error information..............................................................................................6-31

Detailed error information detected by Migration Management Client............6-32

Contents vii

HVM Navigator User's Guide - Migration

Detailed error information detected by Migration Management Server...........6-33

Detailed error information detected by Migration Management Server thread

module...............................................................................................6-39

Detailed error information detected by LPAR Mover module .........................6-40

Detailed error information detected by Recovery module .............................6-41

Detailed error information detected by the source HVM................................ 6-42

Collecting failure information.............................................................................6-43

List of icons...........................................................................................7-1

viii Contents

HVM Navigator User's Guide - Migration

Preface ix

HVM Navigator User's Guide - Migration

Preface

This document provides site planning information for Compute Blade. Please

read this document carefully, and maintain a copy for reference.

This preface includes the following information:

Intended audience

Product version

Release notes

Document organization

Referenced documents

Document conventions

Convention for storage capacity values

Getting help

Comments

Notice: The use of Compute Blade and all other Hitachi Data Systems

products is governed by the terms of your agreement(s) with Hitachi Data

Systems.

xPreface

HVM Navigator User's Guide - Migration

Intended audience

This document is intended for the personnel who are involved in planning,

managing, and performing the tasks to prepare your site for Compute Blade

installation and to install the same.

This document assumes the following:

•The reader has a background in installation and operation of software.

(Firmware, Driver for Hardware, Operating System and Applications)

•The reader is familiar with the location where the Compute Blade will be

installed, including knowledge of physical characteristics, power systems

and specifications, and environmental specifications.

Product version

This document revision applies to HVM Navigator V03-06.

Release notes

Read the release notes before installing and using this product. They may

contain requirements or restrictions that are not fully described in this

document or updates or corrections to this document.

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