On 10/19/2015 05:51 PM, Heinz Mauelshagen wrote: > > Nikolay, > > this is a question for linux-lvm. Right, will know from now on . > > You're saying the fs is not mounted but the lv is open as of > your lvdisplay output, thus you can't lvremove it. How can I see which is the actual user of it? As I stated previously fuser and lsof didn't show anything relevant. Is there some additional tools from the lvm suite that I can see to obtain such information? > > > 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@xxxxxxxxxx >> https://www.redhat.com/mailman/listinfo/dm-devel > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
