> "Ewan" == Ewan D Milne writes:
Ewan> In the upstream kernel queue_max_sectors_store() does not permit
Ewan> you to set a value larger than the device-imposed limit. This
Ewan> value, stored in q->limits.max_dev_sectors, is not visible via the
Ewan> block queue sysfs
ux-scsi"
<linux-scsi@vger.kernel.org>, linux-r...@vger.kernel.org
Sent: Friday, April 8, 2016 9:11:19 AM
Subject: Re: Cant write to max_sectors_kb on 4.5.0 SRP target
Hi Ewan,
OK, that makes sense.
I suspected after everybody's responses that RHEL was somehow ignoring the
array imposed limit here.
in.peter...@oracle.com>, "linux-scsi"
<linux-scsi@vger.kernel.org>, linux-r...@vger.kernel.org
Sent: Friday, April 8, 2016 8:39:52 AM
Subject: Re: Cant write to max_sectors_kb on 4.5.0 SRP target
The version of RHEL you are using does not have:
commit ca369d51b3e1649be
in K. Petersen" <martin.peter...@oracle.com>
> To: "Laurence Oberman" <lober...@redhat.com>
> Cc: "linux-scsi" <linux-scsi@vger.kernel.org>, linux-r...@vger.kernel.org
> Sent: Thursday, April 7, 2016 11:00:16 PM
> Subject: Re: Cant write to max_sectors_
r.kernel.org>
Sent: Friday, April 8, 2016 1:30:28 AM
Subject: Re: Cant write to max_sectors_kb on 4.5.0 SRP target
Hi Laurence,
On Thu, 2016-04-07 at 17:15 -0400, Laurence Oberman wrote:
> Hello
>
> I have been testing the SRP initiator code to an LIO array here and
> part of the testing req
;
<linux-scsi@vger.kernel.org>, linux-r...@vger.kernel.org
Sent: Thursday, April 7, 2016 10:49:58 PM
Subject: Re: Cant write to max_sectors_kb on 4.5.0 SRP target
On 04/07/16 14:16, Laurence Oberman wrote:
> I have been testing the SRP in
Hi Laurence,
On Thu, 2016-04-07 at 17:15 -0400, Laurence Oberman wrote:
> Hello
>
> I have been testing the SRP initiator code to an LIO array here and
> part of the testing requires me to set the max_sectors_kb size to get
> 4k I/O's.
> This has been due to me having to debug various sg_map
> "Laurence" == Laurence Oberman writes:
Laurence,
The target is reporting inconsistent values here:
> [root@srptest queue]# sg_inq --p 0xb0 /dev/sdb
> VPD INQUIRY: Block limits page (SBC)
> Maximum compare and write length: 1 blocks
> Optimal transfer length
On 04/07/16 14:16, Laurence Oberman wrote:
I have been testing the SRP initiator code to an LIO array here and
> part of the testing requires me to set the max_sectors_kb size to
> get 4k I/O's.
.
Hello Laurence,
Have you
Hello
I have been testing the SRP initiator code to an LIO array here and part of the
testing requires me to set the max_sectors_kb size to get 4k I/O's.
This has been due to me having to debug various sg_map issues.
Linux srptest 4.5.0 #2 SMP Thu Apr 7 16:14:38 EDT 2016 x86_64 x86_64 x86_64
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