From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anand Jain Subject: [Bug] Remove and add a mounted device gets a new dev path Date: Mon, 10 Dec 2012 12:00:39 +0800 Message-ID: <50C55E67.1000507@oracle.com> References: <50C223B4.8050301@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:30216 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750849Ab2LJEAn (ORCPT ); Sun, 9 Dec 2012 23:00:43 -0500 Received: from ucsinet21.oracle.com (ucsinet21.oracle.com [156.151.31.93]) by userp1040.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id qBA40gPY005203 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 10 Dec 2012 04:00:42 GMT Received: from acsmt357.oracle.com (acsmt357.oracle.com [141.146.40.157]) by ucsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id qBA40fSm017292 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Mon, 10 Dec 2012 04:00:41 GMT Received: from abhmt116.oracle.com (abhmt116.oracle.com [141.146.116.68]) by acsmt357.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id qBA40fnc018444 for ; Sun, 9 Dec 2012 22:00:41 -0600 In-Reply-To: <50C223B4.8050301@oracle.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org # mount /dev/sdb /btrfs # echo "scsi remove-single-device 1 0 0 0" > /proc/scsi/scsi # lsscsi [0:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sda [2:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sdc # btrfs su create /btrfs/sv1 Create subvolume '/btrfs/sv1' ERROR: cannot create subvolume - Input/output error # echo "scsi add-single-device 1 0 0 0" > /proc/scsi/scsi # lsscsi [0:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sda [1:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sdd <--- [2:0:0:0] disk ATA VBOX HARDDISK 1.0 /dev/sdc The same disk comes back as /dev/sdd (the issue is same if disk is mounted as an ext4 fs) Thanks