Fujitsu P3AM-3842-05ENZ0 manual Obtain and apply the Change LUN State Utility

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Appendix A Restoration Procedure for when a Path Degrades in a VERITAS Volume Manager Environment

>

1-2Check the status of volume paths connected to each Fibre Channel card using the controller numbers that were checked in Step 1-1.

In this step, check the controller number corresponding to the volume for which "DISABLED" is displayed.

# vxdmpadm getsubpaths ctlr=c<controller number>

Example (for ETERNUS DX410)

# vxdmpadm getsubpaths ctlr=c6

NAME

STATE

PATH-TYPE DMPNODENAME ENCLR-TYPE ENCLR-NAME

=========================================================================

sdb

ENABLED

-

sdb

FJ_DX400

fj_dx400

sdc

ENABLED

-

sdc

FJ_DX400

fj_dx400

sdd

ENABLED

-

sdd

FJ_DX400

fj_dx400

# vxdmpadm getsubpaths ctlr=c7

 

 

 

NAME

STATE

PATH-TYPE

DMPNODENAME

ENCLR-TYPE

ENCLR-NAME

=========================================================================

sde

DISABLED

-

sdb

FJ_DX400

fj_dx400

sdf

ENABLED

-

sdc

FJ_DX400

fj_dx400

sdg

ENABLED

-

sdd

FJ_DX400

fj_dx400

In this example, "DISABLED" is displayed for the "sde" volume.

The controller number of the Fibre Channel card in which the volume cannot be recog- nized is "c7".

2Obtain and apply the Change LUN State Utility.

2-1Obtain the Change LUN State Utility provided by each Fibre Channel card vendor.

-For QLogic Fibre Channel cards

Obtain the Change LUN State Utility from the QLogic web-site (http://www.qlogic.com/).

-For Emulex Fibre Channel cards

Obtain the Change LUN State Utility from the Emulex web-site (http://www.emulex.com/).

Refer to each vendor web-site for details about the Change LUN State Utility.

2-2Apply the Change LUN State Utility that is obtained in Step 2-1 according to the proce- dure specified by each vendor to change the state of the LUN to recognized.

Refer to each vendor web-site for details about how to apply the Change LUN State Utility.

3Enable VERITAS Volume Manager.

Enable VERITAS Volume Manager using the "vxdctl" command.

#vxdctl enable

P3AM-3842-05ENZ0 ETERNUS DX Disk storage systems Server Connection Guide (Fibre Channel) for Linux

36

Copyright 2010 FUJITSU LIMITED

 

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Contents Page Page Preface Contents and Structure of this Manual Safe Use of this Product AcknowledgmentsNaming Conventions Sles Other names Contents Chapter Logical Unit Recognition When the Multipath Driver is not Used WorkflowSet Up the Fibre Channel Switch WorkflowInstall the Fibre Channel Card Driver Connect the Server to the Eternus DX Disk Storage SystemsSet the Server to Recognize the Logical Units Create a File SystemWhen the Multipath Driver is Used Usable Multipath DriversInstall and Set Up ETERNUSmgr For Veritas Volume Install Eternus Multipath Driver or GR Setting Up and Checking the Multipath DriverInstall Veritas Volume Set up the device Mapper multipathChecking the Server Environment Server HardwareServer OS Fibre Channel CardsVeritas Volume Manager VxVM Eternus Multipath Driver or GR Multipath DriverDevice-mapper multipath Veritas Cluster ServerConnection Notes Scsi Devices and LinuxFibre Channel Switch Notes Server Startup and Power Supply Control NotesFibre Channel Card Notes Veritas Volume Manager VxVM Notes Design Sheet NotesVeritas Cluster Server VCS Notes Installing and Setting Up ETERNUSmgr Setting Up the Eternus DX Disk Storage Systems Setting the Fibre Channel Switches Installing and Setting Up the Drivers Connecting the Server to the Eternus DX Disk Storage Systems Logical Unit Recognition Displaying the Recognized Logical UnitsFujitsu For Suse Linux Enterprise Server Setting Up and Checking the Multipath Driver Setting Up the File System Procedure Obtain and apply the Change LUN State Utility Check the volume status
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