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From: Eric Sandeen <sandeen@sandeen.net>
To: Emmanuel Florac <eflorac@intellique.com>
Cc: xfs@oss.sgi.com
Subject: Re: can't mount XFS from a read-only device
Date: Fri, 09 Oct 2009 14:28:47 -0500	[thread overview]
Message-ID: <4ACF8EEF.1040809@sandeen.net> (raw)
In-Reply-To: <20091009212150.2b54cb77@galadriel.home>

Emmanuel Florac wrote:
> Le Fri, 09 Oct 2009 13:59:13 -0500 vous écriviez:
> 
>> try mount -o norecovery (and maybe -o nobarrier)
> 
> Thank you, that worked.
> 
> I can't help but think that when given the "ro" option, XFS shouldn't
> try to write a single bit to the underlying device, or else what's the
> point?

For a dirty log, we do still recover -unless- the underlying device is
RO.  Otherwise you get a corrupt fs mounted ro.... other filesystems do
the same thing, FWIW.

For a clean log I agree; what kernel was this?  I vaguely remember a fix
in this area.

Which option solved it?  (norecovery I'm guessing)

-Eric

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  reply	other threads:[~2009-10-09 19:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-09 15:09 can't mount XFS from a read-only device Emmanuel Florac
2009-10-09 18:59 ` Eric Sandeen
2009-10-09 19:21   ` Emmanuel Florac
2009-10-09 19:28     ` Eric Sandeen [this message]
2009-10-09 19:50       ` Emmanuel Florac
     [not found] ` <20091009174351.GB13572@dora.cern.ch>
2009-10-09 19:19   ` Emmanuel Florac

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