Re: raid is dangerous but that's secret (was Re: [patch] ext2/3:document conditions when reliable operation is possible)

[Pavel Machek]

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
-- 
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