linux-kernel - Re: absurdly high "optimal_io

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Message-ID: <yq1egte99bw.fsf@sermon.lab.mkp.net>
Date:	Fri, 07 Nov 2014 13:03:47 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Chris Friesen <chris.friesen@...driver.com>
Cc:	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Jens Axboe <axboe@...nel.dk>,
	lkml <linux-kernel@...r.kernel.org>,
	<linux-scsi@...r.kernel.org>, Mike Snitzer <snitzer@...hat.com>
Subject: Re: absurdly high "optimal_io_size" on Seagate SAS disk

>>>>> "Chris" == Chris Friesen <chris.friesen@...driver.com> writes:

Chris> Apparently there's a new firmware available, dated Oct 13 but
Chris> with no release notes.  We just tried updating the firmware on
Chris> one of the drives in question and it failed from two different
Chris> versions of linux,

Did you use sg_write_buffer or some special firmware update tool?

-- 
Martin K. Petersen	Oracle Linux Engineering
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