[dm-devel] multipath affinity to SCSI
Benjamin Marzinski
bmarzins at redhat.com
Wed Apr 27 20:10:55 UTC 2005
On Wed, Apr 27, 2005 at 07:11:33PM +0200, Lars Marowsky-Bree wrote:
> On 2005-04-27T13:00:51, "goggin, edward" <egoggin at emc.com> wrote:
>
> > Has anyone tried multipathing to non-SCSI target devices, e.g., LOOP,
> > NBD, USB? While the architecture looks fully capable of supporting
> > such, it looks like both the kernel and user implementation would have
> > some problems due to some SCSI affinity.
>
> Well, I can see the user-space not auto-detecting the paths right now
> (probably because simply noone has added those features yet ;-), but the
> kernel shouldn't have any issues with it. I've played with it over loop
> devices for testing.
>
> Which SCSI affinity are you referring to?
The multipath tools are SCSI-centric. sysfs_devinfo() is a glaring example.
-Ben
>
> Sincerely,
> Lars Marowsky-Brée <lmb at suse.de>
>
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> SUSE LINUX Products GmbH - A Novell Business
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