From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heinz Mauelshagen Subject: Re: Cannot delete lvm thin volume Date: Mon, 19 Oct 2015 16:51:04 +0200 Message-ID: <56250358.4050701@redhat.com> References: <5620EC96.3090205@kyup.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <5620EC96.3090205@kyup.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development , zkabelac@redhat.com Cc: SiteGround Operations List-Id: dm-devel.ids Nikolay, this is a question for linux-lvm. You're saying the fs is not mounted but the lv is open as of your lvdisplay output, thus you can't lvremove it. Heinz On 10/16/2015 02:24 PM, Nikolay Borisov wrote: > Hello I have the following thin volume, which I'd like to delete: > > lvdisplay -v /dev/coregroup/c13537_2k > Using logical volume(s) on command line. > --- Logical volume --- > LV Path /dev/coregroup/c13537_2k > LV Name c13537_2k > VG Name coregroup > LV UUID LBPr0i-uac8-i3Co-5B3M-A6Bv-q8iv-kSRLRr > LV Write Access read/write > LV Creation host, time xxxxx.net, 2015-10-14 02:02:45 -0500 > LV Pool name corepool > LV Status available > # open 1 > LV Size 1.80 TiB > Mapped size 42.11% > Current LE 471808 > Segments 1 > Allocation inherit > Read ahead sectors auto > - currently set to 256 > Block device 252:6 > > dmsetup info coregroup-c13537_2k > Name: coregroup-c13537_2k > State: ACTIVE > Read Ahead: 256 > Tables present: LIVE > Open count: 1 > Event number: 1 > Major, minor: 252, 6 > Number of targets: 1 > UUID: LVM-M8PwSxzGcsZQTtdgzfixsr08ZAlNpAbALBPr0iuac8i3Co5B3MA6Bvq8ivkSRLRr > > dmsetup status > coregroup-c13537_2k: 0 3865051136 thin 1627684864 3865042943 > > The version of the software is: > lvremove --version > LVM version: 2.02.118(2)-RHEL6 (2015-09-08) > Library version: 1.02.95-RHEL6 (2015-09-08) > Driver version: 4.26.0 > > And the kernel is 3.12.47. > > When I run 'lvremove -f /dev/coregroup/c13537_2k' I get the following > error: Logical volume coregroup/c13537_2k contains a filesystem in use. > I also get the same error when I try to deactivate the volume. > > fuser doesn't report anything and the volume is not mounted anywhere. I > have also acquired an ftrace trace from executing lvremove but there are > multiple invocation of the dm_ioctl function and I'm not sure which one > is the relevant. So if you tell me what information in particular you > need I'd post it here. > > Regards, > Nikolay > > -- > dm-devel mailing list > dm-devel@redhat.com > https://www.redhat.com/mailman/listinfo/dm-devel