From: David Zeuthen <davidz@redhat.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: [PATCH] path_id: Handle SAS and SATA devices
Date: Mon, 12 Jul 2010 14:47:00 +0000 [thread overview]
Message-ID: <1278946020.16750.0.camel@localhost.localdomain> (raw)
In-Reply-To: <20100707145508.A42312A2B9@ochil.suse.de>
On Mon, 2010-07-12 at 11:07 +0200, Kay Sievers wrote:
> On Wed, Jul 7, 2010 at 16:55, Hannes Reinecke <hare@suse.de> wrote:
> >
> > SAS devices should be referenced by the SAS address of the target;
> > on the initiator side we assume an identity mapping between SAS
> > addresses and PCI devnumber.
> > SATA devices have an identity mapping between SATA links and
> > linux scsi_host structures, so we can map the host number onto
> > the SATA link.
> > For this to work the LUN numbering needs to be updated, too,
> > as SATA devices do not have the concept of a LUN, whereas normal
> > SCSI devices have.
>
> David, any chance to give this a try on your SAS box, and see if this
> works as expected for you too?
Sure, will do later this week - it's currently powered off and in a
moving box!
Thanks,
David
next prev parent reply other threads:[~2010-07-12 14:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-07 14:55 [PATCH] path_id: Handle SAS and SATA devices Hannes Reinecke
2010-07-12 9:07 ` Kay Sievers
2010-07-12 9:16 ` Harald Hoyer
2010-07-12 14:47 ` David Zeuthen [this message]
2010-08-04 21:56 ` David Zeuthen
2010-08-05 7:37 ` Hannes Reinecke
2010-08-05 13:16 ` David Zeuthen
2010-08-05 13:35 ` Hannes Reinecke
2010-08-05 13:53 ` David Zeuthen
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