From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: util-linux-owner@vger.kernel.org Received: from mout.gmx.net ([212.227.17.20]:50007 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750914AbcA2Kbc (ORCPT ); Fri, 29 Jan 2016 05:31:32 -0500 Received: from zappa.ga.local ([82.139.197.16]) by mail.gmx.com (mrgmx101) with ESMTPSA (Nemesis) id 0LraSn-1ZxUBL36rN-013M7X for ; Fri, 29 Jan 2016 11:31:30 +0100 From: Ruediger Meier To: util-linux@vger.kernel.org Subject: test sfdisk, optimal_iosize Date: Fri, 29 Jan 2016 11:31:28 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-Id: <201601291131.29201.sweet_f_a@gmx.de> Sender: util-linux-owner@vger.kernel.org List-ID: Hi, I've got some test failures like --- /home/abuild/rpmbuild/BUILD/util-linux-2.27.git247.4c01c/tests/expected/sfdisk/dos-activate +++ /home/abuild/rpmbuild/BUILD/util-linux-2.27.git247.4c01c/tests/output/sfdisk/dos-activate @@ -6,7 +6,7 @@ Disk : 50 MiB, 52428800 bytes, 102400 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes -I/O size (minimum/optimal): 4096 bytes / 32768 bytes +I/O size (minimum/optimal): 4096 bytes / 64 bytes Disklabel type: dos Disk identifier: optimal < minimum ... is this a bug? Where does this optimal iosize come from, scsi_debug module? Is there a commandline tool to get this iosize, maybe blkid? cu, Rudi