How to change DG name in VxVM

How to change DG name in the Veritas Volume Manager

I am going to share the procedure for how to change the DG name in the veritas volume manager. During the journey, I would like to share major activities performed with DG frequently by the system administrators during their work on the Veritas File System.

Those will be really additional benefits while addressing directly how to change DG name in the Veritas Volume Manager. Just to remind here DG word is being used it relates to word Disk Group.

So let us dive into details into the journey of addressing how to change DG name in the Veritas Volume Manager. So as I mentioned it will reveal many disk group related queries you will come to know below.

How to Create Disk Group in VxVM

# vxdg init testdg testdisk01=tagmastore-usp0_0129

How to List Disk Group in VxVM

# vxdg list
NAME                            STATE           ID
loc_camra-sybase-dg enabled,cds 1312111485.39.servername

How to Import Disk Group in VxVM

# vxdg import oracle-dg
# vxdg -Cf import oracle-dg

How to Deport Disk Group in VxVM

# vxdg deport oracle-dg

How to Destroy Disk Group in VxVM

# vxdg destroy oracle-dg

How to Flush Disk Group in VxVM

# vxdg flush oracle-dg

How to check free space in Disk Group

# vxdg -g oracle-dg free

How to add the new disk to Disk Group

#vxdg -g oracle-dg adddisk HDS_00BA=tagmastore-usp0_00ba

How to Remove Disk from Disk Group

# vxdg -g oracle-dg rmdisk HITACHIDISK_00BA=tagmastore-usp0_00ba

How to Join Disk Group

# vxdg join <Source DG> <Target DG> 

==> This will merge contents of <Source DG> with target DG. 

How to Move the Disk Group

# vxdg move oracle-dg sybase-dg temp log 

It can move volumes from one disk group to another.

How to Recover Disk Group in VxVM

# vxrecover –bg oracle-dg –s

How to Set Disk Group Attributes

# vxdg set oracle-dg attribute=value

How to Split Disk Group in VxVM

For splitting volumes, vol3 and vol4, from the disk group named old_dg, to form a new disk group, new_dg.

# vxdg split olddg mynewdg vol3 vol4

How to Change the DG Name in Veritas Volume Manager

Step by Step Procedure on how to change the DG name in Veritas Volume Manager. You can rename the disk group using a deport and import option.

1. Check the list of Disk Group in system
# vxdg list
NAME                   STATE                       ID
testdg                   enabled,cds             1603712110.15.servername
2.Deport the Disk Group
# vxdg deport testdg
3. Import the disk Group with New Name
# vxdg -n newdg import testdg
4.Validate 
# vxdg list
NAME                   STATE                        ID
newdg                  enabled,cds              1603712110.15.servername

That,s it. This is all about how to change the DG name in Veritas Volume Manager.

Please let me know in case of any query related to the process of how to change the DG name in Veritas Volume Manager.

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