How to take a snapshot of a VM
Two types of VM snapshot are offered. A 'Disk' snapshot contains the contents of the disks (root disk, and data disks if attached). It is also possible to capture the VM memory state (RAM) in a 'DiskAndMemory' snapshot.
Click . The following dialog should appear:on the left-hand menu. Click the name of the VM you wish to snapshot. In the sub-panel, click in the task bar:
The inputs are as follows:
Use thetext box to provide an optional name; by default the snapshot will be named with a date and time string, and an internal system ID for the VM;
Use thetext box (optional) to make any notes about the snapshot for your own use;
Tick thecheck box if you wish to take a DiskAndMemory snapshot;
Tick thecheck box (ticked by default) to quiesce the VM during the snapshot; this does involve stopping all running applications for a short period, and flushing any application data in memory to disk.
Clickto take the VM snapshot.
A notification box will appear when the snapshot creation is complete.
Click the name of a VM. Click the .button in the Details sub-panel:
A list of snapshots for this VM will be displayed:
A new snapshot will have status ‘Creating’, otherwise the status should be ‘Ready’, with a green indicator dot. The 'isCurrent' and 'Parent' columns show you the thread of snapshots and which is the most recent.
Click the name of a snapshot to show itssub-panel:
There is a task bar containing two buttons:
: Note that deleted snapshots can be recovered on request for up to 72 hours.
: The selected snapshot will completely replace the current contents of your VM by reverting it to the state at the moment the snapshot was taken.