[CentOS] LVM + XFS + external log + snapshots

Fri Jun 21 21:58:08 UTC 2013
Joseph L. Casale <jcasale at activenetwerx.com>

>So I have an XFS file system within LVM  which has an external log.

>A snapshot volume is created w/o issue;

>But when i try to mount the file system;
>mount: /dev/mapper/vg_spock_data-datasnapshot already mounted or /snapshot busy

So the filesystem was built requiring an external log device?
Let me guess, the original block device is still mounted and accessing its log device?