tytso at mit.edu
Wed Jul 23 16:42:14 UTC 2008
On Wed, Jul 23, 2008 at 10:55:30AM -0400, Charles Riley wrote:
> Unconnected directory inode 3141911 (???)
> Connect to /lost+found? no
> Then further on, I got this:
> '..' in ... (3141911) is ??? (15542275), should be <The NULL inode> (0).
> Fix? no
> If I had not run fsck with -n, would fsck have set '..' to lost+found's
> inode rather than <The NULL inode>?
Yes, it will set '..' to the lost+found after moving the directory to
> I'm tempted to run fsck and let it do it's thing, and then just move
> things from lost+found to where they belong.
> But <The NULL inode> output from fsck scares me a little bit.
Yeah, that's just because since you answered no to the "Connect to
/lost+found" question, the field "what should .. really be" was left
to zero. It's not a big deal.
> The partition is 1.5TB in size, and the customer doesn't have space for
> me to back it up =(. So I want to make sure I understand what is going
> to happen if I run fsck.
In general, it's always a good idea to do an image level backup just
to be sure. Is this on an LVM? If so, you could create a snapshot
that can act as a backup without it taking up the full 1.5TB in size.
A snapshot volume with say, 50 megabytes reserved, is probably more
than sufficient to maintain an LVM snapshot.
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