9-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
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The commands related to snapshots are listed in Table 9-1. If the volume name is
omitted in any of these commands, the command applies to the root volume.

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The following options for the vol options command affect snapshots in the speci-
fied volume. The options remain in effect after the filer reboots. The options are
shown in Table 9-2.
NOTE: The dump command does not work if the nosnapdir or nosnap option is on.

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snap lista volume_name
a. Some of the information generated by this command is available through SNMP using the
Dell custom MIB as described in Using SNMP in Chapter 4.
Lists all available snapshots.
snap create volume_name
snapshot_name
Creates a snapshot with a spec-
ified name.
snap delete volume_name
snapshot_name
Deletes a specified snapshot.
snap rename volume_name from to Renames a snapshot.
snap reserve volume_name
Reserves a percentage of the
disk space for snapshots.
snap sched volume_name Schedules automatic
snapshots.

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nosnap Disables automatic snapshots. By default, this option is
disabled.
nosnapdir Makes the .snapshot directory that is present at client
mount points or the root of the CIFS share invisible. It also
turns off access to the .snapshot directory and all .snapshot
directories under the mount point or the root of the CIFS
share. By default, this option is disabled.