VxVM 6.1 – How to manage Veritas Diskgroups with vxdg command?
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To import the disk group, mydg:
# vxdg import mydg
To display the free space in the disk group, mydg:
# vxdg -g mydg free
To deport the disk group, mydg:
# vxdg deport mydg
To import the disk group, mydg, and rename it as newdg:
# vxdg -n newdg import mydg
To import a disk group with clone disks and reminor it.
# vxdg -o reminor -n dg2 -o useclonedev=on -o updateid import dg1
To add a disk disk1 with the udid_mismatch flag to a standard disk group mydg:
# vxdg -c -g mydg adddisk disk1
To move volumes, vol1 and vol2, from the disk group, olddg, to newdg:
# vxdg move olddg newdg vol1 vol2
To split volumes, vol3 and vol4, from the disk group, olddg, to form a new disk group, mynewdg:
# vxdg split olddg mynewdg vol3 vol4
To merge the contents of the disk groups, olddg with the disk group, testdg:
# vxdg join olddg testdg
To import a snapshot LUN as a new disk group, snapdg. The original LUN is in disk group mydg:
# vxdg -n snapdg -o useclonedev=on -o updateid import mydg
To display information about the configuration copies for a disk group, mydg, with the serial split brain condition:
# vxdg -g mydg listssbinfo
This command displays output such as the following:
# VxVM vxdg listssbinfo NOTICE V-0-0-0 There are 2 poolsAll the disks in the first pool have the same config copiesAll the disks in the second pool may not have the same config copiesNumber of disks in the first pool: 1Number of disks in the second pool: 1
To import the diskgroup with config copy from the first pool issue the command
# /usr/sbin/vxdg (-s) -o selectcp=1215378871.300.vm2850lx13 import mydg
To import the diskgroup with config copy from the second pool issue the command
# /usr/sbin/vxdg (-s) -o selectcp=1215378869.294.vm2850lx13 import mydg
To display verbose information about the configuration copies for the disks in each pool:
# vxdg -v -g mydg listssbinfo
This command displays output such as the following:
VxVM. vxdg listssbinfo NOTICE V-0-0-0 There are 2 poolsAll the disks in the first pool have the same config copiesAll the disks in the second pool may not have the same config copies
To see the configuration copy from a disk issue the command
# /etc/vx/diag.d/vxprivutil dumpconfig <private path>
To import the diskgroup with config copy from a disk issue the command
# /usr/sbin/vxdg (-s) -o selectcp=<diskid> import mydgPool 0DEVICE DISK DISK ID DISK PRIVATE PATHmydg1 sdp 1215378871.300.vm2850lx13 /dev/vx/rdmp/sdp5Pool 1DEVICE DISK DISK ID DISK PRIVATE PATHmydg2 sdo 1215378869.294.vm2850lx13 /dev/vx/rdmp/sdo5
Note :
- /etc/vx/volboot File containing VxVM configuration information.
- /etc/default/vxdg Default attribute definitions file for the vxdg command.
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