From: James Bottomley <James.Bottomley@steeleye.com>
To: Simon Kelley <simon@thekelleys.org.uk>
Cc: SCSI Mailing List <linux-scsi@vger.kernel.org>
Subject: Re: Is there a grand plan for FC failover?
Date: 26 Jan 2004 09:37:25 -0600 [thread overview]
Message-ID: <1075131446.2290.29.camel@mulgrave> (raw)
In-Reply-To: <401521A7.5030808@thekelleys.org.uk>
On Mon, 2004-01-26 at 08:18, Simon Kelley wrote:
> I see that 2.6.x kernels now have the qla2xxx driver in the mainline,
> but without the failover code.
>
> What is the reason for that? Is there a plan provide failover facilities
> at a higher level which will be usable with all suitable low-level
> drivers and hardware?
>
> I'm very much in favour of using drivers which are developed in the
> kernel mainline but I have an application which needs failover so I
> might be forced back to the qlogic-distributed code.
Yes, the direction coming out of KS/OLS last year was to use the dm or
md multi-path code to sit the failover driver on top of sd (or any other
block driver).
The idea being that the Volume Manager layer is the most stack generic
place to do this type of thing. The thread on this is here:
http://marc.theaimsgroup.com/?t=106005575400003
James
next prev parent reply other threads:[~2004-01-26 15:37 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-26 14:18 Is there a grand plan for FC failover? Simon Kelley
2004-01-26 15:37 ` James Bottomley [this message]
2004-01-28 15:02 ` Philip R. Auld
2004-01-28 16:57 ` James Bottomley
2004-01-28 18:00 ` Philip R. Auld
2004-01-28 20:47 ` Patrick Mansfield
2004-01-28 22:14 ` James Bottomley
2004-01-29 0:55 ` Patrick Mansfield
2004-01-30 19:48 ` [dm-devel] " Joe Thornber
2004-01-31 9:30 ` Jens Axboe
2004-01-31 16:59 ` Philip R. Auld
2004-01-31 17:42 ` Jens Axboe
2004-02-12 15:17 ` Philip R. Auld
2004-02-12 15:28 ` Arjan van de Ven
2004-02-12 16:03 ` Philip R. Auld
2004-01-28 22:37 ` Mike Christie
2004-01-29 15:24 ` Philip R. Auld
2004-01-29 16:00 ` James Bottomley
2004-01-29 23:25 ` Mike Christie
-- strict thread matches above, loose matches on Subject: below --
2004-01-28 21:02 Smart, James
2004-01-28 22:16 ` James Bottomley
2004-01-29 14:49 ` Philip R. Auld
2004-01-29 15:05 ` James Bottomley
2004-01-29 17:35 Smart, James
2004-01-29 18:31 ` Mike Anderson
2004-01-29 18:31 ` James Bottomley
2004-01-29 18:41 Smart, James
2004-01-29 19:37 Smart, James
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