On Sat, Apr 05, 2014 at 04:00:27PM -0600, cwillu wrote:
> >> +'btrfs-zero-log' will remove the log tree if log tree is corrupt, which will
> >> +allow you to mount the filesystem again.
> >> +
> >> +The common case where this happens has been fixed a long time ago,
> >> +so it is unlikely that you will see this particular problem.
> >
> > A note on this one: this can happen if your SSD rites things in the
> > wrong order or potentially writes garbage when power is lost, or before
> > locking up.
> > I hit this problem about 10 times and it wasn't a btrfs bug, just the
> > drive doing bad things.
>
> And -o recovery didn't work around it? My understanding is that -o
> recovery will skip reading the log.
Maybe it does, but if you're trying to mount your root filesystem to boot
your laptop, that's not super useful since -o recovery is indeed a read only
recovery mode.
btrfs-zero-log just cleans the last log entry and gave me back a fully working
read/write filesystem each time.
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/
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