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From: hpa@zytor.com (H. Peter Anvin)
To: linux-raid@vger.kernel.org
Subject: Re: [PATCH md 2 of 4] Fix raid6 problem
Date: Thu, 3 Feb 2005 02:12:38 +0000 (UTC)	[thread overview]
Message-ID: <cts1am$6c8$1@terminus.zytor.com> (raw)
In-Reply-To: 33023.212.158.231.74.1106488921.squirrel@mail.fsck.co.uk

Followup to:  <33023.212.158.231.74.1106488921.squirrel@mail.fsck.co.uk>
By author:    "A. James Lewis" <james@fsck.co.uk>
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


  parent reply	other threads:[~2005-02-03  2:12 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-11-03 23:56 [PATCH md 2 of 4] Fix raid6 problem A. James Lewis
2004-12-09  0:21 ` H. Peter Anvin
2004-12-09  0:35   ` Jim Paris
     [not found] ` <200412090021.iB90L4MK014200@terminus.zytor.com>
2005-01-23 14:02   ` A. James Lewis
2005-01-23 14:42     ` Kevin P. Fleming
2005-02-03  2:12     ` H. Peter Anvin [this message]
2005-02-03 17:13       ` Andy Smith
     [not found] <200502031145.j13Bj1fl016074@terminus.zytor.com>
2005-02-03 16:39 ` H. Peter Anvin
2005-02-03 16:59   ` Lars Marowsky-Bree
2005-02-03 17:06     ` H. Peter Anvin
2005-02-03 17:43   ` Guy
2005-02-03 18:07     ` H. Peter Anvin
2005-02-03 19:36       ` Gordon Henderson
2005-02-04  9:04         ` Andrew Walrond
2005-02-04 11:19           ` Gordon Henderson
2005-02-04 18:31             ` Mike Hardy
2005-02-13 21:05               ` Mark Hahn
2005-02-13 21:19                 ` Gordon Henderson
2005-02-14  4:56                   ` Tim Moore
2005-02-14  9:42                     ` Andrew Walrond
2005-02-13 22:58                 ` Mike Hardy
2005-02-13 23:14                   ` Richard Scobie
2005-02-06  3:38             ` Tim Moore
2005-02-14  4:49             ` Tim Moore
2005-02-14  8:09               ` Gordon Henderson
2005-02-14  4:27         ` Tim Moore
2005-02-14  8:05           ` Gordon Henderson
  -- strict thread matches above, loose matches on Subject: below --
2004-11-02  3:37 [PATCH md 0 of 4] Introduction NeilBrown
2004-11-02  3:37 ` [PATCH md 2 of 4] Fix raid6 problem NeilBrown

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