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SubjectRe: raid is dangerous but that's secret (was Re: [patch] ext2/3: document conditions when reliable operation is possible)
On Sun 2009-08-30 02:01:10, Christian Kujau wrote:
> On Sun, 30 Aug 2009 at 09:51, Pavel Machek wrote:
> > > give system administrators. It's better than the fear-mongering
> > > patches you had proposed earlier, but what would be better *still* is
> > > telling people why running with degraded RAID arrays is bad, and to
> > > give them further tips about how to use RAID arrays safely.
> >
> > Maybe this belongs to Doc*/filesystems, and more detailed RAID
> > description should go to md description?
>
> Why should this be placed in *kernel* documentation anyway? The "dangers
> of RAID", the hints that "backups are a good idea" - isn't that something
> for howtos for sysadmins? No end-user will ever look into

The fact that two kernel subsystems (MD RAID, journaling filesystems)
do not work well together is surprising and should be documented near
the source.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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