Re: [PATCH md 2 of 4] Fix raid6 problem

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Followup to:  <33023.212.158.231.74.1106488921.squirrel@xxxxxxxxxxxxxxx>
By author:    "A. James Lewis" <james@xxxxxxxxxx>
In newsgroup: linux.dev.raid
>
> 
> Sorry for the delay in replying, I've been using RAID6 in a real life
> situation with 2.6.9 + patch, for 2 months now, with 1.15Tb of storage,
> and I have had more than 1 drive failure... as well as some rather
> embarasing hardware corruption which I traced to a faulty IDE controller.
> 
> Dispite some random DMA corrupion, and loosing a total of 3 disks, I have
> not had any problems with it RAID6 itself, and really it has litereally
> saved my data from being lost.
> 
> I ran a diff against the 2.6.9 patch and what is in 2.6.10... and they are
> not the same, presumably a more elegant fix has been implimented for the
> production kernel??
> 

I think there are some other (generic) fixes in there too.

Anyway... I'm thinking of sending in a patch to take out the
"experimental" status of RAID-6.  I have been running a 1 TB
production server in 1-disk degraded mode for about a month now
without incident.

	-hpa

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