From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:43471 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422888Ab2LGRHw (ORCPT ); Fri, 7 Dec 2012 12:07:52 -0500 Received: from acsinet21.oracle.com (acsinet21.oracle.com [141.146.126.237]) by aserp1040.oracle.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id qB7H7pFN029939 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 7 Dec 2012 17:07:51 GMT Received: from acsmt356.oracle.com (acsmt356.oracle.com [141.146.40.156]) by acsinet21.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id qB7H7o1O008000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 7 Dec 2012 17:07:51 GMT Received: from abhmt104.oracle.com (abhmt104.oracle.com [141.146.116.56]) by acsmt356.oracle.com (8.12.11.20060308/8.12.11) with ESMTP id qB7H7ok9002601 for ; Fri, 7 Dec 2012 11:07:50 -0600 Message-ID: <50C223B4.8050301@oracle.com> Date: Sat, 08 Dec 2012 01:13:24 +0800 From: Anand Jain MIME-Version: 1.0 To: linux-btrfs Subject: [Bug] Remove and add a mounted device gets a new dev path Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: # 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