Snapshot space: there are six options from selection of 0.5, 1, 1.5, 2, 2.5 and 3 (default is at 2), these
numbers representing the multiple ratios for the VD., For example, when multiple ratio is at "2" and VD
is 100GB, system will create a volume of 200GB for Snapshot space.
Threshold: there are three options in percentage from Snapshot space usage of 40%, 50% and
60%. When Snapshot space usage exceeding selected percentage, system will take one snapshot
automatically.
Restart the task an hour later if failed: When a Snapshot failed, system will delete all existing Snapshot
and auto-create new Snapshots after one hour.
Note : These functions only for the Snapshot which be created from Clone, it will not be functional by manual
setting Snapshot.
3.5.5 Snapshot
The Snapshot function stores current data and settings with a recover point such that system can be
restored to selected recovery status for the prevention of virus attack, system failure and human errors.
It is recommended to reserve as large as possible from the VG space for Snapshot storage and the
minimum requirement of snapshot space is 1GB. More of Snapshot settings can be configured under
“Snapshot option”.
Figure 3.5.5.1
1. Cleanup snapshot
Erase all the Snapshot data in given virtual disk.
2. Auto snapshot
Set up the system to run Snapshot function regularly and automatically.
Figure 3.5.5.2
Introduction to the GUI
35
