Leftover urbackup LVM snapshots

Hello!

I have the same problem at many linux clients. One of this.
Client’s logs attached. But I didn’t find any there.

urbackup_client_logs.zip (525.5 KB)

I’m ready to help to find this issue. Please write what should I do (what logs or tests should I do).

Client: 2.4.10, Debian 10;
Server: 2.4.13, Debian 10;

root@nas:~#
root@nas:~# lsblk
NAME                                                                         MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
sda                                                                            8:0    0   20G  0 disk
├─sda1                                                                         8:1    0 19.1G  0 part /
├─sda2                                                                         8:2    0    1K  0 part
└─sda5                                                                         8:5    0  880M  0 part [SWAP]
sdb                                                                            8:16   0  300G  0 disk
├─vgdata2-lvoutlook-real                                                     253:16   0  290G  0 lvm
│ ├─vgdata2-lvoutlook                                                        253:17   0  290G  0 lvm  /sharedfolders/OutlookPST/NewHdd
│ ├─vgdata2-urbackup_snap_a9bbfdc7d2b0c35b225edbeb4e0078c50556f1fc48e0bba7   253:19   0  290G  0 lvm
│ └─vgdata2-urbackup_snap_b28b09e8ee6466d2507b81bf07ceb443be59cfc49d3649ba   253:21   0  290G  0 lvm
├─vgdata2-urbackup_snap_a9bbfdc7d2b0c35b225edbeb4e0078c50556f1fc48e0bba7-cow 253:18   0    5G  0 lvm
│ └─vgdata2-urbackup_snap_a9bbfdc7d2b0c35b225edbeb4e0078c50556f1fc48e0bba7   253:19   0  290G  0 lvm
└─vgdata2-urbackup_snap_b28b09e8ee6466d2507b81bf07ceb443be59cfc49d3649ba-cow 253:20   0  2.5G  0 lvm
  └─vgdata2-urbackup_snap_b28b09e8ee6466d2507b81bf07ceb443be59cfc49d3649ba   253:21   0  290G  0 lvm
sdc                                                                            8:32   0  120G  0 disk
├─vgssd-1cbases-real                                                         253:10   0  105G  0 lvm
│ ├─vgssd-1cbases                                                            253:11   0  105G  0 lvm  /srv/dev-disk-by-id-dm-name-vgssd-1cbases
│ ├─vgssd-urbackup_snap_4f55ae8d10ce93b7afca6966a0060a6ecdc9c083f7cf0c3c     253:13   0  105G  0 lvm
│ └─vgssd-urbackup_snap_01ef954641313f16cfcfe5f760798dc0f2a6f95a41da3520     253:15   0  105G  0 lvm
├─vgssd-urbackup_snap_4f55ae8d10ce93b7afca6966a0060a6ecdc9c083f7cf0c3c-cow   253:12   0  7.5G  0 lvm
│ └─vgssd-urbackup_snap_4f55ae8d10ce93b7afca6966a0060a6ecdc9c083f7cf0c3c     253:13   0  105G  0 lvm
└─vgssd-urbackup_snap_01ef954641313f16cfcfe5f760798dc0f2a6f95a41da3520-cow   253:14   0  3.8G  0 lvm
  └─vgssd-urbackup_snap_01ef954641313f16cfcfe5f760798dc0f2a6f95a41da3520     253:15   0  105G  0 lvm
sdd                                                                            8:48   0  901G  0 disk
├─vgdata-data1-real                                                          253:0    0  795G  0 lvm
│ ├─vgdata-data1                                                             253:1    0  795G  0 lvm  /srv/dev-disk-by-id-dm-name-vgdata-data1
│ ├─vgdata-urbackup_snap_244dd0e95b2985628f5952014a9bc5999983a6bf5f572775    253:3    0  795G  0 lvm
│ ├─vgdata-urbackup_snap_90240a32e4453e2869d5acca415b3fc96c326293d23b309b    253:5    0  795G  0 lvm
│ ├─vgdata-urbackup_snap_934a9039809862425f3fe9195da89fe784562be8cf40fe8f    253:7    0  795G  0 lvm
│ └─vgdata-urbackup_snap_14ad373a7e0505e464e6685f3d6a9791e9fdd7b01096c550    253:9    0  795G  0 lvm
├─vgdata-urbackup_snap_244dd0e95b2985628f5952014a9bc5999983a6bf5f572775-cow  253:2    0   53G  0 lvm
│ └─vgdata-urbackup_snap_244dd0e95b2985628f5952014a9bc5999983a6bf5f572775    253:3    0  795G  0 lvm
├─vgdata-urbackup_snap_90240a32e4453e2869d5acca415b3fc96c326293d23b309b-cow  253:4    0 26.5G  0 lvm
│ └─vgdata-urbackup_snap_90240a32e4453e2869d5acca415b3fc96c326293d23b309b    253:5    0  795G  0 lvm
├─vgdata-urbackup_snap_934a9039809862425f3fe9195da89fe784562be8cf40fe8f-cow  253:6    0 13.3G  0 lvm
│ └─vgdata-urbackup_snap_934a9039809862425f3fe9195da89fe784562be8cf40fe8f    253:7    0  795G  0 lvm
└─vgdata-urbackup_snap_14ad373a7e0505e464e6685f3d6a9791e9fdd7b01096c550-cow  253:8    0  6.6G  0 lvm
  └─vgdata-urbackup_snap_14ad373a7e0505e464e6685f3d6a9791e9fdd7b01096c550    253:9    0  795G  0 lvm
sr0                                                                           11:0    1 1024M  0 rom





root@nas:/mnt/urbackup_snaps# ls -l /mnt/urbackup_snaps/
total 32
drwxr-xr-x 2 root root 4096 Mar  6 04:34 01ef954641313f16cfcfe5f760798dc0f2a6f95a41da3520
drwxr-xr-x 2 root root 4096 Mar 17 02:31 14ad373a7e0505e464e6685f3d6a9791e9fdd7b01096c550
drwxr-xr-x 2 root root 4096 Feb  2 00:51 244dd0e95b2985628f5952014a9bc5999983a6bf5f572775
drwxr-xr-x 2 root root 4096 Feb  2 00:53 4f55ae8d10ce93b7afca6966a0060a6ecdc9c083f7cf0c3c
drwxr-xr-x 2 root root 4096 Feb 13 06:23 90240a32e4453e2869d5acca415b3fc96c326293d23b309b
drwxr-xr-x 2 root root 4096 Mar  5 04:34 934a9039809862425f3fe9195da89fe784562be8cf40fe8f
drwxr-xr-x 2 root root 4096 Feb 18 04:36 a9bbfdc7d2b0c35b225edbeb4e0078c50556f1fc48e0bba7
drwxr-xr-x 2 root root 4096 Mar  3 04:33 b28b09e8ee6466d2507b81bf07ceb443be59cfc49d3649ba