From: Paul Clements <Paul.Clements@SteelEye.com>
To: Ionut Nistor <ionut@modulo.ro>
Cc: linux-raid@vger.kernel.org
Subject: Re: Multipath problem in a SAN enviromnent
Date: Wed, 11 Jun 2003 12:27:10 -0400 [thread overview]
Message-ID: <3EE7585E.45D851CE@SteelEye.com> (raw)
In-Reply-To: 02d201c33023$13fd45a0$3351960a@EEL
Ionut Nistor wrote:
> So scsi1, bus0, target0, lun2 is now 8,16 instead of 8,32
>
> However, the raid superblock still has 8,32 in it - this confuses
> multipath
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.
--
Paul
next prev parent reply other threads:[~2003-06-11 16:27 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 [this message]
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
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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