On Fri, Dec 06, 2013 at 08:16:05PM +0100, Steinar H. Gunderson wrote: > Well, first of all, it doesn't compile, since you use typename outside of > templates :-) Fixing that is easy, though. But afterwards: > > root@ubuntu:~/thin-provisioning-tools# ./cache_check /dev/md1 > examining superblock > superblock is corrupt > bad checksum in superblock Sorry, wrong device: root@ubuntu:~/thin-provisioning-tools# ./cache_check /dev/cache/metadata examining superblock examining mapping array no hint array present examining discard bitset root@ubuntu:~/thin-provisioning-tools# echo $? 0 Does that mean it ought to have worked better? :-) /* Steinar */ -- Homepage: http://www.sesse.net/ -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel