From: "H. Peter Anvin" <hpa@zytor.com>
To: Ruth Ivimey-Cook <Ruth.Ivimey-Cook@ivimey.org>
Cc: linux-raid@vger.kernel.org
Subject: Re: [PATCH md 2 of 4] Fix raid6 problem
Date: Thu, 03 Feb 2005 08:39:41 -0800 [thread overview]
Message-ID: <420253CD.9010505@zytor.com> (raw)
In-Reply-To: <200502031145.j13Bj1fl016074@terminus.zytor.com>
Ruth Ivimey-Cook wrote:
>
> Would you say that raid-6 is suitable for storing mission-critical data, then?
>
What I'd say is that I don't have any evidence it's not. Unfortunately,
that's not quite the same thing.
> I have a .5TB raid5 array on 5 IDE disks, and given what has been said recently
> about disk MTBF's and RAID failure recovery, I'm thinking it might be best to
> switch to raid-6.
>
> I guess such a switch is best implemented as {make backup, reformat, restore},
> if I went ahead?
Yes, right now there is no RAID5->RAID6 conversion tool that I know of.
-hpa
next parent reply other threads:[~2005-02-03 16:39 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200502031145.j13Bj1fl016074@terminus.zytor.com>
2005-02-03 16:39 ` H. Peter Anvin [this message]
2005-02-03 16:59 ` [PATCH md 2 of 4] Fix raid6 problem 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
2004-11-03 23:56 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
2005-02-03 17:13 ` Andy Smith
-- 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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