Multipath devices causing 100% diskspace usage.

Symptom

Disk space usage reaches 100% with multipath devices.

Cause

The error occurs when multipath takes control of the snapshot and is not releasing it back to the agent to manipulate and close as needed.

Resolution

Blacklisting the snapshot devices in the mutipath configuration file (multipath.conf) and restarting the mutipath deamon. The following code can be added to the configuration file.