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  1. RHEL
  2. RHEL-135954

'_get_device_info: device not found.' warning when deleting snapshot volumes

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    • Resolution: Unresolved
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      This is basically a more recent reopening of issue https://issues.redhat.com/browse/RHELPLAN-113370

      This warning was seen quite a bit in the latest rhel10.2 CTC2 regression testing

      kernel-6.12.0-157.el10    BUILT: Thu Nov 13 01:02:26 PM CET 2025
      lvm2-2.03.36-1.el10    BUILT: Sat Oct 25 04:42:32 AM CEST 2025
      lvm2-libs-2.03.36-1.el10    BUILT: Sat Oct 25 04:42:32 AM CEST 2025
      
      [root@virt-502 ~]# lvremove -f snapper
        _get_device_info:
      LVM-4O0Kd2ZzgfgnvbZWJ1wYJePGvRSr62sne0gCeLz5tFzFhS9zksJz07YztDWvIuxQ:
      device not found.
        WARNING: Failed to unmonitor snapper/locking.
        Logical volume "locking" successfully removed.
        Logical volume "origin" successfully removed.
        Logical volume "dummy_origin" successfully removed.
      
      
      [root@virt-503 ~]# pvscan
        PV /dev/sdb   VG snapper   lvm2 [<40.00 GiB / <39.68 GiB free]
        PV /dev/sda   VG snapper   lvm2 [<40.00 GiB / <40.00 GiB free]
        PV /dev/sdc   VG snapper   lvm2 [<40.00 GiB / <40.00 GiB free]
        PV /dev/sdd   VG snapper   lvm2 [<40.00 GiB / <40.00 GiB free]
        PV /dev/sde   VG snapper   lvm2 [<40.00 GiB / <40.00 GiB free]
        Total: 5 [199.98 GiB] / in use: 5 [199.98 GiB] / in no VG: 0 [0   ]
      [root@virt-503 ~]# lvs
        LV            VG      Attr       LSize   Pool Origin Data%  Meta%
      Move Log Cpy%Sync Convert
        online_resize snapper swi---s---  28.00m      origin
        origin        snapper owi-a-s--- 300.00m
      [root@virt-503 ~]# lvremove -f snapper
        _get_device_info:
      LVM-kkdIirqbr7tweUR8ZTh9KAnd9JLSsQYwVS0vcwY9SVNZZpIrXFPUQlFlq1MIrira:
      device not found.
        WARNING: Failed to unmonitor snapper/online_resize.
        Logical volume "online_resize" successfully removed.
        Logical volume "origin" successfully removed.
      

              zkabelac@redhat.com Zdenek Kabelac
              cmarthal@redhat.com Corey Marthaler
              lvm-team lvm-team
              Cluster QE Cluster QE
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                Created:
                Updated: