Dell PowerVault 720N Command Reference Manual page 266

snap list
nightly.3 nightly.4
snap reserve volume_name percent
snap reserve vol0 25
snap list
snap list
%/used %/total
-------- ---------
0% (0%) 0% (0%)
0% (0%) 0% (0%)
0% (0%) 0% (0%)
nightly.1
snap reserve
snap list
hourly.2
date name
------------ ---------
May 05 16:00 hourly.0
May 05 12:00 hourly.1
May 05 08:00 hourly.2
snap list
nightly.1
hourly.1
nightly.2