search for: datasnapshot

...is; /dev/vg_spock_data/lv_data /data xfs logdev=/dev/sdc1,nobarrier,logbufs=8,noatime,nodiratime 1 1 All is well no issues and very fast. Now I'd like to snapshot this bad boy and then run rsnapshot to create a few days backup. A snapshot volume is created w/o issue; lvcreate -L250G -s -n datasnapshot /dev/vg_spock_data/lv_data But when i try to mount the file system; mount /dev/vg_spock_data/datasnapshot /snapshot -o nouuid,ro I get this; mount: wrong fs type, bad option, bad superblock on /dev/mapper/vg_anette_data-datasnapshot, missing codepage or helper program, or other error...