===== can't map rbd volume =====
can't map rbd volume vm-100-disk-0: rbd: sysfs write failed
====== libceph: another match ======
[24196.995492] libceph: another match of type 1 in addrvec
[24196.996597] libceph: problem decoding monmap, -22
[24196.997510] header: 00000000: 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[24196.997513] header: 00000010: 04 00 c4 00 01 00 65 03 00 00 00 00 00 00 00 00 ......e.........
[24196.997514] header: 00000020: 00 00 00 00 01 05 00 00 00 00 00 00 00 01 00 00 ................
[24196.997515] header: 00000030: 00 05 1b 2b c3 ...+.
[24196.997516] front: 00000000: 61 03 00 00 09 06 5b 03 00 00 32 1b dc 94 39 a5 a.....[...2...9.
[24196.997518] front: 00000010: 46 0a 83 4f 6e 61 7f dd 6c 66 1a 00 00 00 44 b6 F..Ona..lf....D.
[24196.997519] front: 00000020: 31 63 55 57 f7 27 2b 6b a1 5e ce 63 00 0d 01 01 1cUW.'+k.^.c....
[24196.997520] front: 00000030: 08 00 00 00 ff 00 00 00 00 00 00 00 01 01 08 00 ................
[24196.997521] front: 00000040: 00 00 00 00 00 00 00 00 00 00 06 00 00 00 04 00 ................
[24196.997522] front: 00000050: 00 00 70 76 65 32 05 01 a1 00 00 00 04 00 00 00 ..pve2..........
[24196.997523] front: 00000060: 70 76 65 32 02 04 00 00 00 01 01 01 1c 00 00 00 pve2............
[24196.997524] front: 00000070: 02 00 00 00 00 00 00 00 10 00 00 00 02 00 0c e4 ................
[24196.997525] front: 00000080: c0 a8 1c e8 00 00 00 00 00 00 00 00 01 01 01 1c ................
[24196.997526] front: 00000090: 00 00 00 01 00 00 00 00 00 00 00 10 00 00 00 02 ................
[24196.997528] front: 000000a0: 00 1a 85 c0 a8 1c e8 00 00 00 00 00 00 00 00 01 ................
[24196.997529] front: 000000b0: 01 01 1c 00 00 00 02 00 00 00 00 00 00 00 10 00 ................
[24196.997530] front: 000000c0: 00 00 02 00 0c e4 c0 a8 20 e8 00 00 00 00 00 00 ........ .......
[24196.997531] front: 000000d0: 00 00 01 01 01 1c 00 00 00 01 00 00 00 00 00 00 ................
[24196.997532] front: 000000e0: 00 10 00 00 00 02 00 1a 85 c0 a8 20 e8 00 00 00 ........... ....
[24196.997533] front: 000000f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 ................
[24196.997534] front: 00000100: 00 70 76 65 33 05 01 5b 00 00 00 04 00 00 00 70 .pve3..[.......p
[24196.997535] front: 00000110: 76 65 33 02 02 00 00 00 01 01 01 1c 00 00 00 02 ve3.............
[24196.997537] front: 00000120: 00 00 00 00 00 00 00 10 00 00 00 02 00 0c e4 c0 ................
[24196.997538] front: 00000130: a8 1c e9 00 00 00 00 00 00 00 00 01 01 01 1c 00 ................
[24196.997539] front: 00000140: 00 00 01 00 00 00 00 00 00 00 10 00 00 00 02 00 ................
[24196.997541] front: 00000150: 1a 85 c0 a8 1c e9 00 00 00 00 00 00 00 00 00 00 ................
[24196.997542] front: 00000160: 00 00 00 00 00 00 04 00 00 00 70 76 65 34 05 01 ..........pve4..
[24196.997543] front: 00000170: 5b 00 00 00 04 00 00 00 70 76 65 34 02 02 00 00 [.......pve4....
[24196.997544] front: 00000180: 00 01 01 01 1c 00 00 00 02 00 00 00 00 00 00 00 ................
[24196.997545] front: 00000190: 10 00 00 00 02 00 0c e4 c0 a8 1c ea 00 00 00 00 ................
[24196.997546] front: 000001a0: 00 00 00 00 01 01 01 1c 00 00 00 01 00 00 00 00 ................
[24196.997547] front: 000001b0: 00 00 00 10 00 00 00 02 00 1a 85 c0 a8 1c ea 00 ................
[24196.997548] front: 000001c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 ................
[24196.997549] front: 000001d0: 00 00 00 70 76 65 35 05 01 5b 00 00 00 04 00 00 ...pve5..[......
[24196.997550] front: 000001e0: 00 70 76 65 35 02 02 00 00 00 01 01 01 1c 00 00 .pve5...........
[24196.997551] front: 000001f0: 00 02 00 00 00 00 00 00 00 10 00 00 00 02 00 0c ................
[24196.997561] front: 00000200: e4 c0 a8 1c eb 00 00 00 00 00 00 00 00 01 01 01 ................
[24196.997562] front: 00000210: 1c 00 00 00 01 00 00 00 00 00 00 00 10 00 00 00 ................
[24196.997563] front: 00000220: 02 00 1a 85 c0 a8 1c eb 00 00 00 00 00 00 00 00 ................
[24196.997564] front: 00000230: 00 00 00 00 00 00 00 00 04 00 00 00 70 76 65 36 ............pve6
[24196.997565] front: 00000240: 05 01 5b 00 00 00 04 00 00 00 70 76 65 36 02 02 ..[.......pve6..
[24196.997566] front: 00000250: 00 00 00 01 01 01 1c 00 00 00 02 00 00 00 00 00 ................
[24196.997567] front: 00000260: 00 00 10 00 00 00 02 00 0c e4 c0 a8 1c ec 00 00 ................
[24196.997568] front: 00000270: 00 00 00 00 00 00 01 01 01 1c 00 00 00 01 00 00 ................
[24196.997569] front: 00000280: 00 00 00 00 00 10 00 00 00 02 00 1a 85 c0 a8 1c ................
[24196.997570] front: 00000290: ec 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[24196.997570] front: 000002a0: 00 04 00 00 00 70 76 65 37 05 01 5b 00 00 00 04 .....pve7..[....
[24196.997571] front: 000002b0: 00 00 00 70 76 65 37 02 02 00 00 00 01 01 01 1c ...pve7.........
[24196.997572] front: 000002c0: 00 00 00 02 00 00 00 00 00 00 00 10 00 00 00 02 ................
[24196.997573] front: 000002d0: 00 0c e4 c0 a8 1c ed 00 00 00 00 00 00 00 00 01 ................
[24196.997574] front: 000002e0: 01 01 1c 00 00 00 01 00 00 00 00 00 00 00 10 00 ................
[24196.997575] front: 000002f0: 00 00 02 00 1a 85 c0 a8 1c ed 00 00 00 00 00 00 ................
[24196.997576] front: 00000300: 00 00 00 00 00 00 00 00 00 00 06 00 00 00 04 00 ................
[24196.997577] front: 00000310: 00 00 70 76 65 35 04 00 00 00 70 76 65 33 04 00 ..pve5....pve3..
[24196.997578] front: 00000320: 00 00 70 76 65 37 04 00 00 00 70 76 65 36 04 00 ..pve7....pve6..
[24196.997579] front: 00000330: 00 00 70 76 65 34 04 00 00 00 70 76 65 32 10 05 ..pve4....pve2..
[24196.997580] front: 00000340: 00 00 00 00 00 00 00 02 00 00 00 04 00 00 00 05 ................
[24196.997581] front: 00000350: 00 00 00 06 00 00 00 01 00 00 00 00 00 00 00 00 ................
[24196.997582] front: 00000360: 00 00 00 00 00 .....
[24196.997583] footer: 00000000: 8d f0 a5 c5 00 00 00 00 00 00 00 00 00 00 00 00 ................
[24196.997584] footer: 00000010: 00 00 00 00 01
ceph mon dump
epoch 26
fsid 321bdc94-39a5-460a-834f-6e617fdd6c66
last_changed 2022-09-26T16:25:08.670521+0200
created 2020-04-23T12:17:15.218129+0200
min_mon_release 16 (pacific)
election_strategy: 1
0: [v2:192.168.28.235:3300/0,v1:192.168.28.235:6789/0] mon.pve5
1: [v2:192.168.28.233:3300/0,v1:192.168.28.233:6789/0] mon.pve3
2: [v2:192.168.28.237:3300/0,v1:192.168.28.237:6789/0] mon.pve7
3: [v2:192.168.28.236:3300/0,v1:192.168.28.236:6789/0] mon.pve6
4: [v2:192.168.28.234:3300/0,v1:192.168.28.234:6789/0] mon.pve4
5: [v2:192.168.28.232:3300/0,v1:192.168.28.232:6789/0,v2:192.168.32.232:3300/0,v1:192.168.32.232:6789/0] mon.pve2
dumped monmap epoch 26
**Solution**: remove monitor on node with IP 192.168.28.232 and recreate it again.