On Sun, 30 Aug 2020 at 04:08, Philip Rhoades <p...@pricom.com.au> wrote:
> People, > > I know this is not strictly a Fedora issue but I only use Fedora so I am > hoping people here can help - maybe we should have a separate mailing > list or forum topic for this sort of hard disk stuff? > > Just after a full backup (fortunately) the 7.2TB /home partition > (/dev/sda5) on my email server somehow got corrupted. Think about possible hardware issues including: overheating, bad cables, failed disk. smartmontools can tell you about problems with the drive and run the drive's built-in tests. Some vendors will issue a warranty return authorization on the strength of linux smartctl results. > After I realised > there was a problem, I unmounted the partition and tried: > > e2fsck -y /dev/sda5 > > but the process hangs after “Clone multiply-claimed blocks<y>?” and the > disk goes quiet - I could still break out with CTRL-C but I can't get > past this point in the attempted fix process. So I thought I would just > produce a list of the affected files and then just delete the inodes or > just restore from backup but when I tried: > > debugfs -R "ncheck 187536544" /dev/sda5 > > it took hours to find nothing but printed screenfulls of: > > ncheck: "Directory block checksum" does not match directory block > while calling ext2_dir_iterate > > and there are 1069 inodes to check! > > I am guessing that if I just try to delete each of the inodes with: > > debugfs -R "clri <inode>" /dev/sda5 > > that it would take weeks! So unless someone can suggest a faster method > of fixing the partition (mainly just as an exercise now) or at least > just working out what is wrong with it, I guess I will just have to > re-create the partition? > I wouldn't spend any time on this drive until I had confidence in the hardware. -- George N. White III
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