On 04/25/2013 05:31 PM, Mike Snitzer wrote:
On Thu, Apr 25 2013 at 10:50am -0400,
Mikulas Patocka mpato...@redhat.com wrote:
On Thu, 25 Apr 2013, Mike Snitzer wrote:
On Thu, Apr 25 2013 at 9:48am -0400,
Mikulas Patocka mpato...@redhat.com wrote:
On Mon, 22 Apr 2013, Mike Snitzer
On Fri, Apr 26 2013 at 2:05am -0400,
Hannes Reinecke h...@suse.de wrote:
On 04/25/2013 05:31 PM, Mike Snitzer wrote:
On Thu, Apr 25 2013 at 10:50am -0400,
Mikulas Patocka mpato...@redhat.com wrote:
On Thu, 25 Apr 2013, Mike Snitzer wrote:
On Thu, Apr 25 2013 at 9:48am -0400,
On Mon, 22 Apr 2013, Mike Snitzer wrote:
I spoke with Hannes at LSF, to address the potential crashes in the
endio path (e.g. stpg_endio) we'd have to bump the scsi_dh_data kref
where appropriate (e.g. for ALUA kref_get in submit_stpg and kref_put in
stpg_endio).
But that is just the tip
On Thu, Apr 25 2013 at 9:48am -0400,
Mikulas Patocka mpato...@redhat.com wrote:
On Mon, 22 Apr 2013, Mike Snitzer wrote:
I spoke with Hannes at LSF, to address the potential crashes in the
endio path (e.g. stpg_endio) we'd have to bump the scsi_dh_data kref
where appropriate (e.g.
On Thu, 25 Apr 2013, Mike Snitzer wrote:
On Thu, Apr 25 2013 at 9:48am -0400,
Mikulas Patocka mpato...@redhat.com wrote:
On Mon, 22 Apr 2013, Mike Snitzer wrote:
I spoke with Hannes at LSF, to address the potential crashes in the
endio path (e.g. stpg_endio) we'd have to
On 04/25/2013 03:50 PM, Mikulas Patocka wrote:
On Thu, 25 Apr 2013, Mike Snitzer wrote:
The handler that is automatically attached _should_ be the correct
handler. We now have the .match() hook for scsi_dh and it has made for
reliable scsi_dh attachment of the correct handler.
The EMC
On Thu, Apr 25 2013 at 10:50am -0400,
Mikulas Patocka mpato...@redhat.com wrote:
On Thu, 25 Apr 2013, Mike Snitzer wrote:
On Thu, Apr 25 2013 at 9:48am -0400,
Mikulas Patocka mpato...@redhat.com wrote:
On Mon, 22 Apr 2013, Mike Snitzer wrote:
I spoke with Hannes
On Thu, Apr 25 2013 at 11:27am -0400,
Bryn M. Reeves b...@redhat.com wrote:
On 04/25/2013 03:50 PM, Mikulas Patocka wrote:
On Thu, 25 Apr 2013, Mike Snitzer wrote:
The handler that is automatically attached _should_ be the correct
handler. We now have the .match() hook for scsi_dh and it has
On 04/25/2013 04:37 PM, Mike Snitzer wrote: clariion_match does more
than check the vendor and product; if tpgs is
set (ALUA mode) it returns false.
So yes, while there is room for improvement in clariion_match the
current code should work just fine with reasoning between emc and alua.
Duh,
On Mon, Apr 08 2013 at 5:50pm -0400,
Mike Snitzer snit...@redhat.com wrote:
Preallocate scsi_dh_data using scsi_dh_alloc_data() during table load
but attach the scsi_dh for each path during table resume. This avoids a
kernel crash that can happen when changing the scsi_dh during table
load.
Preallocate scsi_dh_data using scsi_dh_alloc_data() during table load
but attach the scsi_dh for each path during table resume. This avoids a
kernel crash that can happen when changing the scsi_dh during table
load.
When we reload a multipath device, there are two instances of the
multipath
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