From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Friesen Subject: Re: absurdly high "optimal_io_size" on Seagate SAS disk Date: Fri, 7 Nov 2014 11:51:40 -0600 Message-ID: <545D06AC.7000606@windriver.com> References: <545BA625.40308@windriver.com> <545BAD05.3050800@windriver.com> <545BB3AB.8070409@windriver.com> <545BC88A.7060706@windriver.com> <545C5A1B.9020206@windriver.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: "Martin K. Petersen" Cc: Jens Axboe , lkml , linux-scsi@vger.kernel.org, Mike Snitzer List-Id: linux-scsi@vger.kernel.org On 11/07/2014 11:42 AM, Martin K. Petersen wrote: >>>>>> "Martin" == Martin K Petersen writes: > > Martin> I know there was a bug open with Seagate. I assume it has been > Martin> fixed in their latest firmware. > > Seagate confirms that this issue was fixed about a year ago. Will > provide more data when I have it. Okay, thanks for the clarification (for this and the spec itself). Apparently there's a new firmware available, dated Oct 13 but with no release notes. We just tried updating the firmware on one of the drives in question and it failed from two different versions of linux, while Windows won't install because it doesn't like our SSD apparently. Joy. Chris