6.2.12.20 mkvolumegroupsnapshot
Create snapshots of all volumes in the specified volume group.
Purpose
The mkvolumegroupsnapshot
creates a set of volume snapshots with point-in-time consistency for all volumes in the specified volume group.
Syntax
mkvolumegroupsnapshot volume-group-ID
Command Options
The options for the mkvolumegroupsnapshot
command are:
-
volume-group-ID: Identifies the volume group that you want to act on. You can use the
lsvolumegroup
command to find the identifier for each volume group.
Usage Notes
-
Unmount the affected file system on all servers before you run the command to create the volume snapshot. Then, mount the file system again afterward.
-
Alternatively, you can use the Oracle ACFS command-line utility (
acfsutil
) to synchronize the file system and create the volume snapshot. On an EDV client node, run theacfsutil volsnap create
command as theroot
user and specify the ACFS mountpoint or EDV device.For example:
# acfsutil volsnap create /mnt/my-acfs
Examples
Example 6-183 Snapshot Volumes in a Volume Group
This example shows creating a snapshot of volumes in the volume group with the ID volgrp0001_8b599d1725244432a1f47407b4e9493e
.
@> mkvolumegroupsnapshot volgrp0001_8b599d1725244432a1f47407b4e9493e
Parent topic: Block Store Management