Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752252AbaKFReZ (ORCPT ); Thu, 6 Nov 2014 12:34:25 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:46025 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751470AbaKFReV (ORCPT ); Thu, 6 Nov 2014 12:34:21 -0500 To: Chris Friesen Cc: Jens Axboe , lkml , , Mike Snitzer , "Martin K. Petersen" Subject: Re: absurdly high "optimal_io_size" on Seagate SAS disk From: "Martin K. Petersen" Organization: Oracle Corporation References: <545BA625.40308@windriver.com> <545BAD05.3050800@windriver.com> Date: Thu, 06 Nov 2014 12:34:14 -0500 In-Reply-To: <545BAD05.3050800@windriver.com> (Chris Friesen's message of "Thu, 6 Nov 2014 11:16:53 -0600") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "Chris" == Chris Friesen writes: Chris> Perhaps the ST900MM0026 should be blacklisted as well? Sure. I'll widen the net a bit for that Seagate model. commit 17f1ee2d16a6878269c4429306f6e678b7e61505 Author: Martin K. Petersen Date: Thu Nov 6 12:31:43 2014 -0500 SCSI: Blacklist ST900MM0026 Looks like this entire series of drives reports the wrong values in the block limits VPD. Widen the blacklist. Reported-by: Chris Friesen Signed-off-by: Martin K. Petersen diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 49014a143c6a..9116531b415a 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -229,7 +229,7 @@ static struct { {"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN}, {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ}, /* Chokes on tagged INQUIRY */ {"SEAGATE", "ST3390N", "9546", BLIST_NOTQ}, - {"SEAGATE", "ST900MM0006", NULL, BLIST_SKIP_VPD_PAGES}, + {"SEAGATE", "ST900MM", NULL, BLIST_SKIP_VPD_PAGES}, {"SGI", "RAID3", "*", BLIST_SPARSELUN}, {"SGI", "RAID5", "*", BLIST_SPARSELUN}, {"SGI", "TP9100", "*", BLIST_REPORTLUN2}, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/