Veritas Volume Manager 5.0.1 Administrator's Guide, HP-UX 11i v3, First Edition, November 2009

to turn it into an independent volume, you must wait for its contents to be

synchronized with those of its parent volume.

You can use the vxsnap syncwait command to wait for the synchronization

of the snapshot volume to be completed, as shown here:

# vxsnap [-g diskgroup] syncwait snapvol

For example, you would use the following command to wait for

synchronization to finish on the snapshot volume, snap2myvol:

# vxsnap -g mydg syncwait snap2myvol

This command exits (with a return code of zero) when synchronization of the

snapshot volume is complete. The snapshot volume may then be moved to

another disk group or turned into an independent volume.

See “Controlling instant snapshot synchronization” on page 391.

If required, you can use the following command to test if the synchronization

of a volume is complete:

# vxprint [-g diskgroup] -F%incomplete snapvol

This command returns the value off if synchronization of the volume, snapvol,

is complete; otherwise, it returns the value on.

You can also use the vxsnap print command to check on the progress of

synchronization.

See “Displaying instant snapshot information” on page 389.

If you do not want to move the snapshot into a separate disk group, or to turn

it into an independent volume, specify the syncing=off attribute. This avoids

unnecessary system overhead. For example, to turn off synchronization when

creating the snapshot of the volume, myvol, you would use the following form

of the vxsnap make command:

# vxsnap -g mydg make source=myvol/snapvol=snap1myvol\

/syncing=off

Use fsck (or some utility appropriate for the application running on the

volume) to clean the temporary volume’s contents. For example, you can use

this command with a VxFS file system:

# fsck -F vxfs /dev/vx/rdsk/diskgroup/snapshot

The specified device must have a valid entry in the /etc/fstab file.

Administering volume snapshots

Creating instant snapshots

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