Mirroring volumes on a VM disk gives you one or more copies of your volumes in another disk location. By creating mirror copies of your volumes, you protect your system against loss of data in case of a disk failure.
You can use this task on your root disk to make a second copy of the boot information available on an alternate disk. This allows you to boot your system even if your root disk is corrupted.
Note This task only mirrors concatenated volumes. Volumes are ignored if they are already mirrored or if they contain subdisks that reside on multiple disks.
To mirror volumes on a disk
6 (Mirror volumes on a disk)from the
Mirror volumes on a disk
This operation can be used to mirror volumes on a disk. These
volumes can be mirrored onto another disk or onto any
available disk space. Volumes will not be mirrored if they are
already mirrored. Also, volumes that are comprised of more
than one subdisk will not be mirrored.
Enter disk name [<disk>,list,q,?]
You can choose to mirror volumes from disk mydg02 onto any
available disk space, or you can choose to mirror onto a
specific disk. To mirror to a specific disk, select the name of
that disk. To mirror to any available disk space, select
Enter destination disk [<disk>,list,q,?] (default: any)
The requested operation is to mirror all volumes on disk
mydg02 in disk group mydg onto available disk space on disk
VxVM NOTICE V-5-2-229 This operation can take a long time to
Continue with operation? [y,n,q,?] (default: y)
vxdiskadm program displays the status of the mirroring operation, as follows:
VxVM vxmirror INFO V-5-2-22 Mirror volume voltest-bk00 ...
VxVM INFO V-5-2-674 Mirroring of disk mydg01 is complete.
y) or return to the
vxdiskadmmain menu (
Mirror volumes on another disk? [y,n,q,?] (default: n)