From: Austin Gonyou <austin@coremetrics.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Multipath without round-robin?
Date: Thu, 10 Jun 2004 17:06:16 -0500 [thread overview]
Message-ID: <40C8DB58.9090203@coremetrics.com> (raw)
In-Reply-To: <20040610203309.GA18186@c9x.org>
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You could just use the qlogic hba driver failover.
ql2xfailover=1 in your rmodules.conf
Jedi/Sector One wrote:
> Hello.
>
> I'm trying to get multipath working with LVM2 (2.6.7-rc2-udm2
> kernel) with
> an LSI storage array.
>
> The array has two FC controllers, HBAs are two identical Qlogic 2340.
>
> On the array, "preferred" controllers are assigned to each LUN.
>
> Unfortunately, it looks like dm-multipath always does round-robin load
> balancing.
>
> The result is that the array fills up the (SANtricity) error log with
> messages like "LUN was accessed through the wrong controller".
>
> Is there any way to keep failover abilities without load balancing?
>
> Best regards,
>
> -Frank.
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
>
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next prev parent reply other threads:[~2004-06-10 22:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-10 20:33 [linux-lvm] Multipath without round-robin? Jedi/Sector One
2004-06-10 21:34 ` Chris Croswhite
2004-06-10 22:06 ` Austin Gonyou [this message]
2004-06-10 22:10 ` Austin Gonyou
2004-06-10 22:32 ` Jedi/Sector One
2004-06-11 20:06 ` Mike Christie
2004-06-11 21:02 ` Chris Croswhite
2004-06-11 21:34 ` Mike Christie
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