[dm-devel] LVM2, RHEL 4 update 2: can't remove logical volume
Stefan Bader
Stefan.Bader at de.ibm.com
Thu Oct 27 08:58:22 UTC 2005
We got something similar here. Try to change the filter rules to exclude
the
volume group devices. What you want is the devices created by the
multipath-tools included but not the devices created by lvm2.
Otherwise the tools will have the lv open at the time they should be
removed.
Stefan Bader
SW Linux on zSeries Development & Services
Stefan.Bader at de.ibm.com
----------------------------------------------------------------------------------
When all other means of communication fail, try words.
dm-devel-bounces at redhat.com wrote on 26.10.2005 22:30:58:
> I'm getting an error when trying to remove an LV
> that has no mounted filesystem or raw volume on it:
>
> # raw -qa
> # mount|grep lvtest1
> # lvremove /dev/vgtest2/lvstripe1
> Can't remove open logical volume "lvstripe1"
>
> Per lsof and fuser, the only process I can see
> opening any device files is multipathd:
>
> # fuser /dev/sd*
> /dev/sda: 8910
> /dev/sdb: 8910
> /dev/sdc: 8910
> /dev/sdd: 8910
> /dev/sde: 8910
> /dev/sdf: 8910
> /dev/sdg: 8910
> /dev/sdh: 8910
>
> # ps -ef|grep multipathd
> root 8910 1 0 14:51 pts/0 00:00:00 /sbin/multipathd
>
> But shutting it down doesn't help:
>
> # service multipathd stop
> Stopping multipathd daemon: [ OK ]
> # lvremove /dev/vgtest2/lvstripe1
> Can't remove open logical volume "lvstripe1"
>
> The lvremove -vvvv output is below. Any thoughts
> on what I can do here?
>
> I'm using LVM2 with device-mapper-multipath 0.4.5 on GA RHEL 4 update 2
> release, kernel version 2.6.9-22.ELsmp. Storage is 4 Clariion CX600
> LUNs.
>
> TIA,
> Phil Lowden
>
> The volume is striped across all 4 PVs.
>
> # lvs
> LV VG Attr LSize Origin Snap% Move Log Copy%
> lvstripe1 vgtest2 -wi-a- 400.00M
> # vgs
> VG #PV #LV #SN Attr VSize VFree
> vgtest2 4 1 0 wz--n 9.98G 9.59G
> # pvs
> PV VG Fmt Attr PSize
> PFree
> /dev/mapper/3600601604b600d00743e69d8862fda11 vgtest2 lvm2 a-
> 1020.00M 920.00M
> /dev/mapper/3600601604b600d00753e69d8862fda11 vgtest2 lvm2 a-
> 2.00G 1.90G
> /dev/mapper/3600601604b600d00763e69d8862fda11 vgtest2 lvm2 a-
> 3.00G 2.90G
> /dev/mapper/3600601604b600d00773e69d8862fda11 vgtest2 lvm2 a-
> 4.00G 3.90G
>
> # lvremove -vvvv /dev/vgtest2/lvstripe1
> #lvmcmdline.c:836 Processing: lvremove -vvvv
> /dev/vgtest2/lvstripe1
> #lvmcmdline.c:839 O_DIRECT will be used
> #config/config.c:773 Setting global/locking_type to 1
> #config/config.c:758 Setting global/locking_dir to /var/lock/lvm
> #locking/locking.c:139 File-based locking enabled.
> #toollib.c:130 Using logical volume(s) on command line
> #locking/file_locking.c:164 Locking /var/lock/lvm/V_vgtest2 WB
> #device/dev-io.c:425 Opened
> /dev/mapper/3600601604b600d00773e69d8862fda11 RW O_DIRECT
> #device/dev-io.c:134
> /dev/mapper/3600601604b600d00773e69d8862fda11: block size is 4096 bytes
> #label/label.c:168 /dev/mapper/3600601604b600d00773e69d8862fda11:
> lvm2 label detected
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00773e69d8862fda11 now orphaned
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00773e69d8862fda11 now in VG vgtest2
> #device/dev-io.c:425 Opened
> /dev/mapper/3600601604b600d00763e69d8862fda11 RW O_DIRECT
> #device/dev-io.c:134
> /dev/mapper/3600601604b600d00763e69d8862fda11: block size is 4096 bytes
> #label/label.c:168 /dev/mapper/3600601604b600d00763e69d8862fda11:
> lvm2 label detected
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00763e69d8862fda11 now orphaned
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00763e69d8862fda11 now in VG vgtest2
> #device/dev-io.c:425 Opened
> /dev/mapper/3600601604b600d00753e69d8862fda11 RW O_DIRECT
> #device/dev-io.c:134
> /dev/mapper/3600601604b600d00753e69d8862fda11: block size is 4096 bytes
> #label/label.c:168 /dev/mapper/3600601604b600d00753e69d8862fda11:
> lvm2 label detected
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00753e69d8862fda11 now orphaned
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00753e69d8862fda11 now in VG vgtest2
> #device/dev-io.c:425 Opened
> /dev/mapper/3600601604b600d00743e69d8862fda11 RW O_DIRECT
> #device/dev-io.c:134
> /dev/mapper/3600601604b600d00743e69d8862fda11: block size is 4096 bytes
> #label/label.c:168 /dev/mapper/3600601604b600d00743e69d8862fda11:
> lvm2 label detected
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00743e69d8862fda11 now orphaned
> #cache/lvmcache.c:426 lvmcache:
> /dev/mapper/3600601604b600d00743e69d8862fda11 now in VG vgtest2
> #device/dev-io.c:425 Opened /dev/vgtest2/lvstripe1 RW O_DIRECT
> #device/dev-io.c:134 /dev/vgtest2/lvstripe1: block size is 4096
> bytes
> #label/label.c:189 /dev/vgtest2/lvstripe1: No label detected
> #label/label.c:279 <backtrace>
> #label/label.c:168 /dev/mapper/3600601604b600d00773e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00763e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00753e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00743e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00773e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00763e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00753e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00743e69d8862fda11:
> lvm2 label detected
> #format_text/format-text.c:311 Read vgtest2 metadata (5) from
> /dev/mapper/3600601604b600d00773e69d8862fda11 at 9216 size 1266
> #label/label.c:168 /dev/mapper/3600601604b600d00773e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00763e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00753e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00743e69d8862fda11:
> lvm2 label detected
> #format_text/format-text.c:311 Read vgtest2 metadata (5) from
> /dev/mapper/3600601604b600d00763e69d8862fda11 at 8192 size 1266
> #label/label.c:168 /dev/mapper/3600601604b600d00773e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00763e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00753e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00743e69d8862fda11:
> lvm2 label detected
> #format_text/format-text.c:311 Read vgtest2 metadata (5) from
> /dev/mapper/3600601604b600d00753e69d8862fda11 at 7168 size 1266
> #label/label.c:168 /dev/mapper/3600601604b600d00773e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00763e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00753e69d8862fda11:
> lvm2 label detected
> #label/label.c:168 /dev/mapper/3600601604b600d00743e69d8862fda11:
> lvm2 label detected
> #format_text/format-text.c:311 Read vgtest2 metadata (5) from
> /dev/mapper/3600601604b600d00743e69d8862fda11 at 6144 size 1266
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00773e69d8862fda11 0: 0 25:
> lvstripe1(0:0)
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00773e69d8862fda11 1: 25 998:
> NULL(0:0)
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00763e69d8862fda11 0: 0 25:
> lvstripe1(0:1)
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00763e69d8862fda11 1: 25 742:
> NULL(0:0)
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00753e69d8862fda11 0: 0 25:
> lvstripe1(0:2)
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00753e69d8862fda11 1: 25 486:
> NULL(0:0)
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00743e69d8862fda11 0: 0 25:
> lvstripe1(0:3)
> #metadata/pv_manip.c:242
> /dev/mapper/3600601604b600d00743e69d8862fda11 1: 25 230:
> NULL(0:0)
> #config/config.c:758 Setting activation/missing_stripe_filler to
> /dev/ioerror
> #activate/dev_manager.c:1048 Getting device info for
> vgtest2-lvstripe1
> #ioctl/libdm-iface.c:1326 dm version O
> #ioctl/libdm-iface.c:1326 dm info
> aiFWOXpuHkPrVsSng5Qlg9TKnDUA7QroT1yHNXkplLWCwIjXrQZYIuPbvoQuF3Vp O
> #lvremove.c:59 Can't remove open logical volume "lvstripe1"
> #locking/file_locking.c:59 Unlocking /var/lock/lvm/V_vgtest2
> #device/dev-io.c:456 Closed
> /dev/mapper/3600601604b600d00773e69d8862fda11
> #device/dev-io.c:456 Closed
> /dev/mapper/3600601604b600d00763e69d8862fda11
> #device/dev-io.c:456 Closed
> /dev/mapper/3600601604b600d00753e69d8862fda11
> #device/dev-io.c:456 Closed
> /dev/mapper/3600601604b600d00743e69d8862fda11
> #device/dev-io.c:456 Closed /dev/vgtest2/lvstripe1
>
> --
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