Re: [RFC PATCH 2/3] raid: external and internal metadata support

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On Fri, Feb 6, 2009 at 9:50 AM, Danecki, Jacek <jacek.danecki@xxxxxxxxx> wrote:
>
>> Is there a real need for mdmon to start prior to being in the real
>> rootfs?
>
> mdmon is needed to change raid array to RW mode, so as long as rootfs is mounted RO, mdmon can be started in real rootfs.--

No, that is what I originally thought until I tried to mount an xfs
filesystem that had been uncleanly shutdown.  Even if the rootfs is
mounted read-only the backing device needs to be read-write to recover
the journal.

--
Dan
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