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Knowledge Base

How to Vhange the Name of an Logical Volume (LV) in the HPUX OS?

Publication Date:  2012-07-18  |   Views:  167  |   Downloads:  0  |   Author:  anliku  |   Document ID:  EKB1000003984

Contents

Issue Description

On a deployment site, lvoracle needs to be changed to myoracle without data loss and recreation of the LV.

Alarm Information

None

Handling Process

Step 1 Unmount the LV from the directory where it is stored. #umount /dev/vgoracle/lvoracle.

 Step 2 Change the name of the LV (the names of both the block device file and character device file need to be changed.) #cd /dev/vgoracle #mv lvoracle myoracle #mv rlvoracle rmyoracle.

 Step 3 Back up the configuration file of the volume group (VG). #vgcfgbackup vgoracle.

 Step 4 Export and import the configuration file of the VG again. #vgexport -p -s -v -m /tmp/vgoracle.map /dev/vgoracle #vgexport vgoracle #mkdir /dev/vgoracle #mknod /dev/vgoracle/group c 64 0x0y0000 (y is the secondary device ID) #vgimport -v -s -m /tmp/vgoracle.map /dev/vgoracle.

 Step 5 Change the /etc/fstab file. Change the mounting point to /dev/vgoracle/myoracle.

 Step 6 Remount the new LV name. #mount /dev/vgoracle/myoracle /oracle.

Root Cause

None

Suggestions

The lvchange command cannot be used to change the name of an LV.