From: Matt Domsch <Matt_Domsch@dell.com>
To: Lars Marowsky-Bree <lmb@suse.de>
Cc: Neil Brown <neilb@cse.unsw.edu.au>,
Scott Long <scott_long@adaptec.com>,
linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org
Subject: Re: Proposed enhancements to MD
Date: Fri, 16 Jan 2004 07:43:36 -0600 [thread overview]
Message-ID: <20040116074336.A12893@lists.us.dell.com> (raw)
In-Reply-To: <20040116092447.GF22417@marowsky-bree.de>; from lmb@suse.de on Fri, Jan 16, 2004 at 10:24:47AM +0100
On Fri, Jan 16, 2004 at 10:24:47AM +0100, Lars Marowsky-Bree wrote:
> Do you know whether DDF can also support simple multipathing?
Yes, the structure info for each physical disk allows for two (and
only 2) paths to be represented. But it's pretty limited, describing
only SCSI-like paths with bus/id/lun only described in the current
draft. At the same time, there's a per-physical-disk GUID, such
that if you find the same disk by multiple paths you can tell.
There's room for enhancment/feedback in this space for certain.
Thanks,
Matt
--
Matt Domsch
Sr. Software Engineer, Lead Engineer
Dell Linux Solutions www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com
next prev parent reply other threads:[~2004-01-16 13:43 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <40033D02.8000207@adaptec.com>
2004-01-13 18:44 ` Proposed enhancements to MD Jeff Garzik
2004-01-13 19:01 ` John Bradford
2004-01-13 19:41 ` Matt Domsch
2004-01-13 22:10 ` Arjan van de Ven
2004-01-16 9:31 ` Lars Marowsky-Bree
2004-01-16 9:57 ` Arjan van de Ven
2004-01-13 20:41 ` Scott Long
2004-01-13 22:33 ` Jure Pečar
2004-01-13 22:44 ` Scott Long
2004-01-13 22:56 ` viro
2004-01-14 15:52 ` Kevin Corry
2004-01-13 22:42 ` Luca Berra
2004-01-14 23:07 ` Neil Brown
2004-01-15 11:10 ` Norman Schmidt
2004-01-15 21:52 ` Matt Domsch
2004-01-16 9:24 ` Lars Marowsky-Bree
2004-01-16 13:43 ` Matt Domsch [this message]
2004-01-16 13:56 ` Lars Marowsky-Bree
2004-01-16 14:06 ` Christoph Hellwig
2004-01-16 14:11 ` Matt Domsch
2004-01-16 14:13 ` Christoph Hellwig
2004-01-13 3:41 Proposed Enhancements " Scott Long
2004-01-13 10:24 ` Lars Marowsky-Bree
2004-01-13 18:03 ` Scott Long
2004-01-16 9:29 ` Lars Marowsky-Bree
2004-01-13 14:19 ` Matt Domsch
2004-01-13 17:13 ` Andreas Dilger
2004-01-13 22:26 ` Andreas Dilger
2004-01-13 18:19 ` Kevin P. Fleming
2004-01-13 18:19 ` Jeff Garzik
2004-01-13 20:29 ` Chris Friesen
2004-01-13 20:35 ` Matt Domsch
2004-01-13 21:10 ` Matt Domsch
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