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From: Chris Friesen <chris.friesen@windriver.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Jens Axboe <axboe@kernel.dk>, lkml <linux-kernel@vger.kernel.org>,
	linux-scsi@vger.kernel.org, Mike Snitzer <snitzer@redhat.com>
Subject: Re: absurdly high "optimal_io_size" on Seagate SAS disk
Date: Fri, 7 Nov 2014 15:04:27 -0600	[thread overview]
Message-ID: <545D33DB.3070904@windriver.com> (raw)
In-Reply-To: <yq1389u95wu.fsf@sermon.lab.mkp.net>

On 11/07/2014 01:17 PM, Martin K. Petersen wrote:

> I'd suggest trying /dev/sgN instead.

That seems to work.  Much appreciated.

And it's now showing an "optimal_io_size" of 0, so I think the issue is 
dealt with.

Thanks for all the help, it's been educational. :)

Chris

WARNING: multiple messages have this Message-ID (diff)
From: Chris Friesen <chris.friesen@windriver.com>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Jens Axboe <axboe@kernel.dk>, lkml <linux-kernel@vger.kernel.org>,
	<linux-scsi@vger.kernel.org>, Mike Snitzer <snitzer@redhat.com>
Subject: Re: absurdly high "optimal_io_size" on Seagate SAS disk
Date: Fri, 7 Nov 2014 15:04:27 -0600	[thread overview]
Message-ID: <545D33DB.3070904@windriver.com> (raw)
In-Reply-To: <yq1389u95wu.fsf@sermon.lab.mkp.net>

On 11/07/2014 01:17 PM, Martin K. Petersen wrote:

> I'd suggest trying /dev/sgN instead.

That seems to work.  Much appreciated.

And it's now showing an "optimal_io_size" of 0, so I think the issue is 
dealt with.

Thanks for all the help, it's been educational. :)

Chris

  reply	other threads:[~2014-11-07 21:04 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-06 16:47 absurdly high "optimal_io_size" on Seagate SAS disk Chris Friesen
2014-11-06 17:16 ` Chris Friesen
2014-11-06 17:16   ` Chris Friesen
2014-11-06 17:34   ` Martin K. Petersen
2014-11-06 17:34     ` Martin K. Petersen
2014-11-06 17:45     ` Chris Friesen
2014-11-06 17:45       ` Chris Friesen
2014-11-06 18:12       ` Martin K. Petersen
2014-11-06 18:12         ` Martin K. Petersen
2014-11-06 18:15         ` Jens Axboe
2014-11-06 19:14         ` Chris Friesen
2014-11-06 19:14           ` Chris Friesen
2014-11-07  1:56           ` Martin K. Petersen
2014-11-07  1:56             ` Martin K. Petersen
2014-11-07  5:35             ` Chris Friesen
2014-11-07  5:35               ` Chris Friesen
2014-11-07 15:18               ` Dale R. Worley
2014-11-07 16:25               ` Martin K. Petersen
2014-11-07 16:25                 ` Martin K. Petersen
2014-11-07 17:42                 ` Martin K. Petersen
2014-11-07 17:42                   ` Martin K. Petersen
2014-11-07 17:51                   ` Chris Friesen
2014-11-07 17:51                     ` Chris Friesen
2014-11-07 18:03                     ` Martin K. Petersen
2014-11-07 18:03                       ` Martin K. Petersen
2014-11-07 18:48                 ` Chris Friesen
2014-11-07 18:48                   ` Chris Friesen
2014-11-07 19:17                   ` Martin K. Petersen
2014-11-07 19:17                     ` Martin K. Petersen
2014-11-07 21:04                     ` Chris Friesen [this message]
2014-11-07 21:04                       ` Chris Friesen
2014-11-07 17:10             ` Elliott, Robert (Server Storage)
2014-11-07 17:40               ` Martin K. Petersen
2014-11-07 17:40                 ` Martin K. Petersen
2014-11-07 20:15               ` Douglas Gilbert

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