On 06-06-12 05:19, Doug Wyatt wrote: [snip] > However, I can't run badblocks on /dev/sdc1 because it is "apparently > in use". lsof tells me there are 3 instances of jbd2/sdc1. Have you tried booting the box with the F17 LiveCD/DVD (make sure you don't let it mount your disks) and then run badblocks on it? Regards, Patrick