From: Jim Paris <jim@jtan.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Call for RAID-6 users
Date: Fri, 30 Jul 2004 15:39:38 -0400 [thread overview]
Message-ID: <20040730193938.GA5760@jim.sh> (raw)
In-Reply-To: <cedr7a$s2$1@terminus.zytor.com>
[-- Attachment #1: Type: text/plain, Size: 833 bytes --]
> I haven't seen any of those messages, so this is the first case
> happening.
I figured you were just busy, but wanted to see if anyone else could
guide my debugging before my boss made me give up and do RAID-5 :)
Thanks for the reply.
> Can you create failures by creating a full array and then fail out
> drives? That would rule out problems with the way mdadm creates the
> array.
Yes, same problem. If I create a full array with 6 devices, wait for
it to finish the synchronizing, then fail the first drive, I see the
same corruption. See attached r6test-full.sh to demonstrate.
> My current guess based on what I've seen so far is that it's a bug
> in mdadm in creating arrays with exactly 1 missing drive, as opposed
> to a kernel bug.
FWIW, this does occur with an array created with 2 missing drives, as
well.
-jim
[-- Attachment #2: r6test-full.sh --]
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next prev parent reply other threads:[~2004-07-30 19:39 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-23 23:32 Call for RAID-6 users H. Peter Anvin
2004-07-26 21:38 ` Jim Paris
2004-07-27 2:05 ` Matthew - RAID
2004-07-27 2:12 ` Jim Paris
2004-07-27 16:40 ` Ricky Beam
2004-07-27 17:20 ` Jim Paris
2004-07-27 18:19 ` Jim Paris
2004-07-27 18:48 ` Jim Paris
2004-07-28 3:09 ` Jim Paris
2004-07-28 8:36 ` David Greaves
2004-07-28 10:02 ` Jim Paris
2004-07-30 15:58 ` H. Peter Anvin
2004-07-30 19:39 ` Jim Paris [this message]
2004-07-30 19:45 ` H. Peter Anvin
2004-07-30 21:11 ` maarten van den Berg
2004-07-30 21:38 ` maarten van den Berg
2004-07-31 0:28 ` maarten van den Berg
2004-08-01 13:03 ` Kernel panic, FS corruption Was: " maarten van den Berg
2004-08-01 18:05 ` Jim Paris
2004-08-01 22:10 ` maarten van den Berg
2004-08-05 23:54 ` H. Peter Anvin
2004-08-06 0:19 ` Jim Paris
2004-08-06 0:36 ` H. Peter Anvin
2004-08-06 4:04 ` Jim Paris
2004-08-05 23:51 ` H. Peter Anvin
2004-08-05 23:46 ` H. Peter Anvin
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