On Sat, Apr 05, 2014 at 03:02:03PM -0700, Marc MERLIN wrote: > 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. As far as I recall, -orecovery is read-write. -oro,recovery is read-only. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Dullest spy film ever: The Eastbourne Ultimatum ---
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