On Fri, Dec 06, 2013 at 08:16:05PM +0100, Steinar H. Gunderson wrote: > On Fri, Dec 06, 2013 at 05:57:13PM +0000, Joe Thornber wrote: > > Yep, grab: > > > > https://github.com/jthornber/thin-provisioning-tools > > > > build, and then try cache_check on it (which should tell you what's > > wrong). Other programs to play with are cache_dump, cache_restore and > > cache_repair. > > Well, first of all, it doesn't compile, since you use typename outside of > templates :-) Fixing that is easy, though. But afterwards: Grr, I thought that was fixed, what version of g++ are you using? > > root@ubuntu:~/thin-provisioning-tools# ./cache_check /dev/md1 > examining superblock > superblock is corrupt > bad checksum in superblock > > So where do I want to go from there? cache_dump doesn't want to play with the > superblock because the checksum is bad... do I want cache_repair, then? Do I > want to take a backup of anything first? Ouch. Could you go through what happened please? Did dm-cache crash, or did the machine die for some other reason? - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
