VERITAS Volume Manager 3.5 User's Guide - VERITAS Enterprise Administrator (September 2004)

File System Tasks
Creating a Snapshot Copy of a File System
Chapter 5 167
Creating a Snapshot Copy of a File System
The File System Snapshot procedure prepares VxFS for online backup
by creating a snapshot copy of the file system. This is done by creating a
new volume, mounting a snapshot file system on the new volume, and
copying the contents of the original file system to the snapshot file
system. The snapshot file system is a consistent copy of the original file
system at the time the snapshot was made. You can use the snapshot file
system to make a backup of the original file system at a convenient time.
After the backup is made, you can remove the snapshot file system by
removing the underlying snapshot volume.
NOTE This feature requires a license.
To create a snapshot copy of file system data
Step 1. Select the file system to be backed up.
Step 2. Choose Actions > Snapshot > Create...
Step 3. Complete the Snapshot File System dialog box as follows:
New Volume Name: By default, the new volume name displayed is
composed of the name of the file system to be
backed up and the suffix _vxfssnap (for
example, Vol5_vxfssnap). You can replace the
default name with the volume name of your
choice.
Snapshot Mount
Point:
By default, the new snapshot mount point
displayed is composed of the mount point of the
file system to be backed up and the suffix
_vxfssnap (for example, /Vol5_vxfssnap).
You can replace the default name with the
mount point of your choice.
Snapshot Size: Enter the size of the snapshot copy of the file
system.