Thecus IP Storage Server N8800 User Manual page 43

The N8800 snapshot is supported total 16 versions. Once checked
"Automatically remove oldest snapshot", the oldest will be removed to let newest
to added on top. Otherwise, if the check box is unchecked and snapshot versions
are up to 16 then system will appear warning message and won't execute the
task till available version count.
The snapshot schedule rules can be setup for monthly, weekly or daily hour.
Clicking on Apply after firmed with desired schedule or click back to Snap screen.
If any snapshot has taken then it will listed in Snapshot list as example below.
This example shows folder "test" has created under RAID volume in ZFS file
system. It has been taken snapshot twice so far at time displayed.
These taken snapshot is only accessible though CIFS/SMB by manually type
\\NAS IP address\snapshot and invisible from normal access. Also, the taken
snapshot version is read only can not be deleted under CIFS/SMB access but only
click the "Del" button showing on the screen shot above.
43