Some additionnal informations, the backup finished between 04:42 and 04:59, and LVM (lvremove) replied with :
Unable to deactivate open vgssd-mysqlBackupSnap-cow (253:7) Failed to resume mysqlBackupSnap. libdevmapper exiting with 1 device(s) still suspended. -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1375265105.26730.53.camel@localhost
