From: Lars Marowsky-Bree <lmb@suse.de>
To: Paul Clements <Paul.Clements@SteelEye.com>,
Ionut Nistor <ionut@modulo.ro>
Cc: linux-raid@vger.kernel.org
Subject: Re: Multipath problem in a SAN enviromnent
Date: Thu, 12 Jun 2003 12:04:23 +0200 [thread overview]
Message-ID: <20030612100423.GA14106@marowsky-bree.de> (raw)
In-Reply-To: <3EE7585E.45D851CE@SteelEye.com>
On 2003-06-11T12:27:10,
Paul Clements <Paul.Clements@SteelEye.com> said:
> One way to get around this problem is to use non-persistent superblocks
> for your arrays and just re-create them at bootup time by calling mkraid
> (or mdadm) after you've correctly identified (using WWID or similar)
> which devices belong to each particular raid set.
The patches I did to multipath in 2.4 went even further: As the md
superblock - this_disk etc - has little meaning for multipath, as they
are all identical, I made the assembly based entirely on the UUID,
ignoring the device nodes completely.
Sincerely,
Lars Marowsky-Brée <lmb@suse.de>
--
SuSE Labs - Research & Development, SuSE Linux AG
"If anything can go wrong, it will." "Chance favors the prepared (mind)."
-- Capt. Edward A. Murphy -- Louis Pasteur
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next prev parent reply other threads:[~2003-06-12 10:04 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-11 14:09 Multipath problem in a SAN enviromnent Ionut Nistor
2003-06-11 15:49 ` Dominik Kubla
2003-06-11 16:47 ` Ionut Nistor
2003-06-11 16:27 ` Paul Clements
2003-06-11 16:42 ` Moving Disks [Re: Multipath problem in a SAN enviromnent] Gordon Henderson
2003-06-11 16:45 ` Multipath problem in a SAN enviromnent Ionut Nistor
2003-06-11 17:59 ` Paul Clements
2003-06-12 6:28 ` Ionut Nistor
2003-06-12 10:04 ` Lars Marowsky-Bree [this message]
2003-06-12 10:51 ` Ionut Nistor
2003-06-12 14:52 ` Paul Clements
2003-06-13 8:12 ` Ionut Nistor
2003-06-18 10:21 ` Lars Marowsky-Bree
2003-06-19 15:25 ` Ionut Nistor
2003-06-11 19:24 ` Luca Berra
2003-06-12 6:35 ` Ionut Nistor
2003-06-11 19:34 ` Paul Clements
2003-06-12 6:37 ` Ionut Nistor
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