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SubjectRe: Reiserfs: how to mount without journal replay?
Pavel Machek wrote:
>
> Hi!
>
> > > For recovering broken machine, I'd like to mount without replaying journal.
> >
> > You cannot mount without replaying even in read-only mode, because
> > file-system meta-data are possibly inconsistent.
>
> Then suse's use of reiserfs is pretty b0rken. Putting reiserfsck on /
> partition is pretty useless -- if it crashes during mount you can't
> repair it.

Every filesystem has this problem, if the root directory gets hosed you have to
use the CDROM.
Booting from CDROM with SuSE is not such a problem.

>
> If reiserfsck detects errors on /, you can't repair them because
> reiserfsck is on that partition. Ouch.
>
> > > [reiserfs panics while replaying journal; seems there are still some bugs
> > > hidden in there]. Unfortunately, "nolog" option does not seem imlemented.
> >
> > There is a patch allowing to mount reiserfs if there was io error during
> > journal replay on mount. It is included into 2.4.9-ac* tree (it was sent
> > to Linus several times, but this did not avail).
>
> I already repaired my system -- had to install another copy of suse to
> another partition :-(.


I boot from CDROM when I have such problems.

>
> > Can you send to Reiserfs mail-list <Reiserfs-List@Namesys.COM> more
> > detailed information about your case, like ksymoopsed stack trace,
> > etc.
>
> No stack trace, sorry. It refused to mount saying that attempting to
> write into log block.. That's panic. Reiserfsck is not usable in such
> case, because ... how do you run reiserfsck from partition you can't
> mount?
> Pavel
> --
> The best software in life is free (not shareware)! Pavel
> GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+
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