The musings of an IT Consultant

Jul 31 2011   10:59PM GMT

The pain of snapshots!

Raj Perumal Raj Perumal Profile: Raj Perumal

Hi folks! So as you know, one of the coolest features of having a VMware virtualized environment is snapshots. The ability to take a snap of a point in time on the server and then revert to it if need be.

Lots of backup products leverage this capability to provide virtual machine backups. However snapshots as great as they are can be the bane of a network administrators existence too.

You see sometimes snapshots can get corrupted or orphaned from the backup process and they don’t get removed properly. The network administrator doesn’t notice this and then the snapshot ends up running forever and going out of control. This can lead to an outage on the server.

How do we fix this? Constant monitoring! Put into place monitoring and best practices to make sure unused snapshots and orphaned snapshots are cleaned up. This will keep your virtual environment in a healthy state!

-RP

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