Re: [PATCH 24/27] btrfs-progs: Convert man page for btrfs-zero-log

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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.

Sorry, -o recovery is not read only, but -o recovery,ro which is usually
what is needed for things to work in my experience, is indeed read only.

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/  
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux