Messages in this thread |  | | Date | Wed, 2 Sep 2009 22:55:58 +0200 | From | Pavel Machek <> | Subject | Re: raid is dangerous but that's secret (was Re: [patch] ext2/3: document conditions when reliable operation is possible) |
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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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