Managing the space used by snapshots
Snapshots is one of the most useful, and at the same time dangerous, vCenter features. Snapshots allow saving the current VM state for rollback purposes.
At the same time, as changes happen to the virtual machine, a snapshot takes more space, which may potentially lead to a deficit of free space.
More details about snapshots and how to control space usage can be found in the Controlling space used by snapshots recipe in Chapter 6, Basic Administrative Tasks.
vCenter allows configuring an alarm for VMs with a snapshot larger than the specified size. Such an alarm can be used to locate virtual machines with snapshots. It can be useful for audit or cleaning purposes.
How to do it...
To create this alarm in vCenter Client, execute the following steps:
- Go to the Datacenter level, switch to the Alarms tab, and then to the Definitions view.
- Go to File | New | Alarm or press Ctrl + M.
- In the General tab of the Alarm Settings dialog, give this alarm a name and make sure...