That was all that it logged.
In the meantime I did some further test. I've created a new erasure coded
datapool 'ecpool_test' and if I create a new rbd image with this data pool
I can create snapshots, but I can't create snapshots on both new and
existing images with existing data pool 'ecpool_hdd'
#create new image on existing erasure code data-pool ecpool_hdd
root@zephir:~# rbd create -p rbd --data-pool ecpool_hdd test_ecpool_hdd
--size 10G
#create new image on new erasure code data-pool ecpool_test
root@zephir:~# rbd create -p rbd --data-pool ecpool_test test_ecpool_test
--size 10G
# trying to create snap-shot of image with data pool ecpool_hdd -> fails
root@zephir:~# rbd snap create test_ecpool_hdd@backup --debug-ms 1
--debug-rbd 20
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 Processor -- start
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 -- start start
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x562a3dd350c0
0x562a3dd35490 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 --2- >> [v2:
192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x562a3dd359d0
0x562a3dd42730 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 --2- >> [v2:
192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x562a3dd42c70
0x562a3dd45050 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 -- --> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] -- mon_getmap magic: 0 v1 --
0x562a3dc24b70 con 0x562a3dd350c0
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 -- --> [v2:
192.168.1.10:3300/0,v1:192.168.1.10:6789/0] -- mon_getmap magic: 0 v1 --
0x562a3dc1e1b0 con 0x562a3dd359d0
2023-04-17T21:52:43.623+0200 7f3f787174c0 1 -- --> [v2:
192.168.43.208:3300/0,v1:192.168.43.208:6789/0] -- mon_getmap magic: 0 v1
-- 0x562a3dbba680 con 0x562a3dd42c70
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x562a3dd350c0
0x562a3dd35490 unknown :-1 s=BANNER_CONNECTING pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0)._handle_peer_banner_payload supporte
d=3 required=0
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x562a3dd350c0
0x562a3dd35490 unknown :-1 s=HELLO_CONNECTING pgs=0 cs=0 l=0 rev1=1 crypto
rx=0 tx=0 comp rx=0 tx=0).handle_hello peer v2:192.168.1.1:3300
/0 says I am v2:192.168.1.1:43298/0 (socket says 192.168.1.1:43298)
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 -- 192.168.1.1:0/3758799544
learned_addr learned my addr 192.168.1.1:0/3758799544 (peer_addr_for_me v2:
192.168.1.1:0/0)
2023-04-17T21:52:43.623+0200 7f3f75e8c700 1 --2- 192.168.1.1:0/3758799544
[v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x562a3dd359d0
0x562a3dd42730 unknown :-1 s=BANNER_CONNECTING pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0)._handle_pe
er_banner_payload supported=3 required=0
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 -- 192.168.1.1:0/3758799544 >>
[v2:192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x562a3dd42c70
msgr2=0x562a3dd45050 unknown :-1 s=STATE_CONNECTING_RE l=0).mark_down
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 --2- 192.168.1.1:0/3758799544
[v2:192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x562a3dd42c70
0x562a3dd45050 unknown :-1 s=START_CONNECT pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0).stop
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 -- 192.168.1.1:0/3758799544 >>
[v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x562a3dd359d0
msgr2=0x562a3dd42730 unknown :-1 s=STATE_CONNECTION_ESTABLISHED
l=0).mark_down
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 --2- 192.168.1.1:0/3758799544
[v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x562a3dd359d0
0x562a3dd42730 unknown :-1 s=AUTH_CONNECTING pgs=0 cs=0 l=0 rev1=1 crypto
rx=0 tx=0 comp rx=0 tx=0).stop
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 -- 192.168.1.1:0/3758799544
--> [v2:192.168.1.1:3300/0,v1:192.168.1.1:6789/0] --
mon_subscribe({config=0+,monmap=0+}) v3 -- 0x562a3dbd1d60 con
0x562a3dd350c0
2023-04-17T21:52:43.623+0200 7f3f7668d700 1 --2- 192.168.1.1:0/3758799544
[v2:192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x562a3dd350c0
0x562a3dd35490 secure :-1 s=READY pgs=511 cs=0 l=1 rev1=1 crypto
rx=0x7f3f6800a700 tx=0x7f3f68005b10 comp rx=0 tx=
0).ready entity=mon.0 client_cookie=b20073a6af526567 server_cookie=0
in_seq=0 out_seq=0
2023-04-17T21:52:43.623+0200 7f3f7568b700 1 -- 192.168.1.1:0/3758799544
<== mon.0 v2:192.168.1.1:3300/0 1 ==== mon_map magic: 0 v1 ==== 467+0+0
(secure 0 0 0) 0x7f3f680089b0 con 0x562a3dd350c0
2023-04-17T21:52:43.623+0200 7f3f7568b700 1 -- 192.168.1.1:0/3758799544
<== mon.0 v2:192.168.1.1:3300/0 2 ==== config(39 keys) v1 ==== 1461+0+0
(secure 0 0 0) 0x7f3f68008b10 con 0x562a3dd350c0
2023-04-17T21:52:43.623+0200 7f3f7568b700 1 -- 192.168.1.1:0/3758799544
<== mon.0 v2:192.168.1.1:3300/0 3 ==== mon_map magic: 0 v1 ==== 467+0+0
(secure 0 0 0) 0x7f3f68011e60 con 0x562a3dd350c0
Creating snap: 10% complete...failed.
rbd: failed to create snapshot: (95) Operation not supported
root@zephir:~#
# trying to create snapshot of image with new data pool ecpool_test ->
success
root@zephir:~# rbd snap create test_ecpool_test@backup --debug-ms 1
--debug-rbd 20
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 Processor -- start
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 -- start start
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 --2- >> [v2:
192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x5603e9c7e530
0x5603e9c7e900 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x5603e9c785c0
0x5603e9c789f0 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 --2- >> [v2:
192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x5603e9c78f30
0x5603e9c852f0 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 -- --> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] -- mon_getmap magic: 0 v1 --
0x5603e9b64b70 con 0x5603e9c785c0
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 -- --> [v2:
192.168.1.10:3300/0,v1:192.168.1.10:6789/0] -- mon_getmap magic: 0 v1 --
0x5603e9b5e1b0 con 0x5603e9c78f30
2023-04-17T21:52:52.883+0200 7f3d15ceb4c0 1 -- --> [v2:
192.168.43.208:3300/0,v1:192.168.43.208:6789/0] -- mon_getmap magic: 0 v1
-- 0x5603e9afa680 con 0x5603e9c7e530
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x5603e9c785c0
0x5603e9c789f0 unknown :-1 s=BANNER_CONNECTING pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0)._handle_peer_banner_payload supporte
d=3 required=0
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x5603e9c785c0
0x5603e9c789f0 unknown :-1 s=HELLO_CONNECTING pgs=0 cs=0 l=0 rev1=1 crypto
rx=0 tx=0 comp rx=0 tx=0).handle_hello peer v2:192.168.1.1:3300
/0 says I am v2:192.168.1.1:41638/0 (socket says 192.168.1.1:41638)
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 -- 192.168.1.1:0/2685923383
learned_addr learned my addr 192.168.1.1:0/2685923383 (peer_addr_for_me v2:
192.168.1.1:0/0)
2023-04-17T21:52:52.883+0200 7f3d14825700 1 --2- 192.168.1.1:0/2685923383
[v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x5603e9c78f30
0x5603e9c852f0 unknown :-1 s=BANNER_CONNECTING pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0)._handle_pe
er_banner_payload supported=3 required=0
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 -- 192.168.1.1:0/2685923383 >>
[v2:192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x5603e9c7e530
msgr2=0x5603e9c7e900 unknown :-1 s=STATE_CONNECTING_RE l=0).mark_down
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 --2- 192.168.1.1:0/2685923383
[v2:192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x5603e9c7e530
0x5603e9c7e900 unknown :-1 s=START_CONNECT pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0).stop
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 -- 192.168.1.1:0/2685923383 >>
[v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x5603e9c78f30
msgr2=0x5603e9c852f0 unknown :-1 s=STATE_CONNECTION_ESTABLISHED
l=0).mark_down
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 --2- 192.168.1.1:0/2685923383
[v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x5603e9c78f30
0x5603e9c852f0 unknown :-1 s=AUTH_CONNECTING pgs=0 cs=0 l=0 rev1=1 crypto
rx=0 tx=0 comp rx=0 tx=0).stop
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 -- 192.168.1.1:0/2685923383
--> [v2:192.168.1.1:3300/0,v1:192.168.1.1:6789/0] --
mon_subscribe({config=0+,monmap=0+}) v3 -- 0x5603e9b11d60 con
0x5603e9c785c0
2023-04-17T21:52:52.883+0200 7f3d0bfff700 1 --2- 192.168.1.1:0/2685923383
[v2:192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x5603e9c785c0
0x5603e9c789f0 secure :-1 s=READY pgs=513 cs=0 l=1 rev1=1 crypto
rx=0x7f3cfc00a700 tx=0x7f3cfc005b10 comp rx=0 tx=
0).ready entity=mon.0 client_cookie=d9d113e873a32a9f server_cookie=0
in_seq=0 out_seq=0
2023-04-17T21:52:52.883+0200 7f3d13823700 1 -- 192.168.1.1:0/2685923383
<== mon.0 v2:192.168.1.1:3300/0 1 ==== mon_map magic: 0 v1 ==== 467+0+0
(secure 0 0 0) 0x7f3cfc008a30 con 0x5603e9c785c0
2023-04-17T21:52:52.883+0200 7f3d13823700 1 -- 192.168.1.1:0/2685923383
<== mon.0 v2:192.168.1.1:3300/0 2 ==== config(39 keys) v1 ==== 1461+0+0
(secure 0 0 0) 0x7f3cfc008b90 con 0x5603e9c785c0
2023-04-17T21:52:52.883+0200 7f3d13823700 1 -- 192.168.1.1:0/2685923383
<== mon.0 v2:192.168.1.1:3300/0 3 ==== mon_map magic: 0 v1 ==== 467+0+0
(secure 0 0 0) 0x7f3cfc0063a0 con 0x5603e9c785c0
Creating snap: 100% complete...done.
root@zephir:~#
root@zephir:~# ceph osd pool ls detail | egrep "ecpool_hdd|ecpool_test"
pool 37 'ecpool_hdd' erasure profile 3-2-jerasure size 5 min_size 4
crush_rule 5 object_hash rjenkins pg_num 128 pgp_num 128 autoscale_mode on
last_change 72385 lfor 0/0/65311 flags
hashpspool,ec_overwrites,selfmanaged_snaps stripe_width 12288
compression_algorithm lz4 compression_mode aggressive
compression_required_ratio 0.875 application cephfs,rbd
pool 87 'ecpool_test' erasure profile 3-2-jerasure size 5 min_size 4
crush_rule 9 object_hash rjenkins pg_num 1 pgp_num 1 autoscale_mode on
last_change 72720 flags hashpspool,ec_overwrites,selfmanaged_snaps
stripe_width 12288 compression_algorithm lz4 compression_mode aggressive
compression_required_ratio 0.825 application cephfs,rbd
root@zephir:~#
root@zephir:~# rbd config pool list ecpool_hdd > ecpool_hdd.txt
root@zephir:~# rbd config pool list ecpool_test > ecpool_test.txt
root@zephir:~# diff ecpool_hdd.txt ecpool_test.txt
root@zephir:~#
I'm currently running
ceph osd pool repair ecpool_hdd
and will check later if that fixes the problem
Cheers
Reto
Am Mo., 17. Apr. 2023 um 21:18 Uhr schrieb Ilya Dryomov <idryomov@xxxxxxxxx
:
On Mon, Apr 17, 2023 at 6:37 PM Reto Gysi <rlgysi@xxxxxxxxx> wrote:
>
> Hi Ilya,
>
> Thanks for the reply. Here's is the output:
>
> root@zephir:~# rbd status ceph-dev
> Watchers:
> watcher=192.168.1.1:0/338620854 client.19264246
cookie=18446462598732840969
>
> root@zephir:~# rbd snap create ceph-dev@backup --debug-ms 1 --debug-rbd
20
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 Processor -- start
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 -- start start
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x5558b4e3c260
0x5558b4e3c630 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 --2- >> [v2:
192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x5558b4e3cc00
0x5558b4e452d0 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 --2- >> [v2:
192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x5558b4e45810
0x5558b4e47bf0 unknown :-1 s=NONE pgs=0 cs=0 l=0 rev1=0 crypto rx=0 tx=0
comp rx=0 tx=0).connect
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 -- --> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] -- mon_getmap magic: 0 v1 --
0x5558b4d29b70 con 0x5558b4e3c260
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 -- --> [v2:
192.168.1.10:3300/0,v1:192.168.1.10:6789/0] -- mon_getmap magic: 0 v1 --
0x5558b4d231b0 con 0x5558b4e3cc00
> 2023-04-17T18:23:16.211+0200 7f5e05dca4c0 1 -- --> [v2:
192.168.43.208:3300/0,v1:192.168.43.208:6789/0] -- mon_getmap magic: 0 v1
-- 0x5558b4cbf680 con 0x5558b4e45810
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x5558b4e3c260
0x5558b4e3c630 unknown :-1 s=BANNER_CONNECTING pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0)._handle_peer_banner_payload supporte
> d=3 required=0
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 --2- >> [v2:
192.168.1.1:3300/0,v1:192.168.1.1:6789/0] conn(0x5558b4e3c260
0x5558b4e3c630 unknown :-1 s=HELLO_CONNECTING pgs=0 cs=0 l=0 rev1=1 crypto
rx=0 tx=0 comp rx=0 tx=0).handle_hello peer v2:192.168.1.1:3300
> /0 says I am v2:192.168.1.1:42714/0 (socket says 192.168.1.1:42714)
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 -- 192.168.1.1:0/1614127865
learned_addr learned my addr 192.168.1.1:0/1614127865 (peer_addr_for_me
v2:192.168.1.1:0/0)
> 2023-04-17T18:23:16.211+0200 7f5e03902700 1 --2-
192.168.1.1:0/1614127865 >> [v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0]
conn(0x5558b4e3cc00 0x5558b4e452d0 unknown :-1 s=BANNER_CONNECTING pgs=0
cs=0 l=0 rev1=0 crypto rx=0 tx=0 comp rx=0 tx=0)._handle_pe
> er_banner_payload supported=3 required=0
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 -- 192.168.1.1:0/1614127865
>> [v2:192.168.43.208:3300/0,v1:192.168.43.208:6789/0]
conn(0x5558b4e45810 msgr2=0x5558b4e47bf0 unknown :-1 s=STATE_CONNECTING_RE
l=0).mark_down
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 --2-
192.168.1.1:0/1614127865 >> [v2:
192.168.43.208:3300/0,v1:192.168.43.208:6789/0] conn(0x5558b4e45810
0x5558b4e47bf0 unknown :-1 s=START_CONNECT pgs=0 cs=0 l=0 rev1=0 crypto
rx=0 tx=0 comp rx=0 tx=0).stop
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 -- 192.168.1.1:0/1614127865
>> [v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0] conn(0x5558b4e3cc00
msgr2=0x5558b4e452d0 unknown :-1 s=STATE_CONNECTION_ESTABLISHED
l=0).mark_down
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 --2-
192.168.1.1:0/1614127865 >> [v2:192.168.1.10:3300/0,v1:192.168.1.10:6789/0]
conn(0x5558b4e3cc00 0x5558b4e452d0 unknown :-1 s=AUTH_CONNECTING pgs=0 cs=0
l=0 rev1=1 crypto rx=0 tx=0 comp rx=0 tx=0).stop
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 -- 192.168.1.1:0/1614127865
--> [v2:192.168.1.1:3300/0,v1:192.168.1.1:6789/0] --
mon_subscribe({config=0+,monmap=0+}) v3 -- 0x5558b4cd6d60 con 0x5558b4e3c260
> 2023-04-17T18:23:16.211+0200 7f5e04103700 1 --2-
192.168.1.1:0/1614127865 >> [v2:192.168.1.1:3300/0,v1:192.168.1.1:6789/0]
conn(0x5558b4e3c260 0x5558b4e3c630 secure :-1 s=READY pgs=355 cs=0 l=1
rev1=1 crypto rx=0x7f5df400a700 tx=0x7f5df4005b10 comp rx=0 tx=
> 0).ready entity=mon.0 client_cookie=2d9464291c26a0e7 server_cookie=0
in_seq=0 out_seq=0
> 2023-04-17T18:23:16.211+0200 7f5e03101700 1 -- 192.168.1.1:0/1614127865
<== mon.0 v2:192.168.1.1:3300/0 1 ==== mon_map magic: 0 v1 ==== 467+0+0
(secure 0 0 0) 0x7f5df40089b0 con 0x5558b4e3c260
> 2023-04-17T18:23:16.211+0200 7f5e03101700 1 -- 192.168.1.1:0/1614127865
<== mon.0 v2:192.168.1.1:3300/0 2 ==== config(39 keys) v1 ==== 1461+0+0
(secure 0 0 0) 0x7f5df4008b10 con 0x5558b4e3c260
> 2023-04-17T18:23:16.211+0200 7f5e03101700 1 -- 192.168.1.1:0/1614127865
<== mon.0 v2:192.168.1.1:3300/0 3 ==== mon_map magic: 0 v1 ==== 467+0+0
(secure 0 0 0) 0x7f5df4011e60 con 0x5558b4e3c260
> Creating snap: 10% complete...failed.
> rbd: failed to create snapshot: (95) Operation not supported
Can you double check if this output is complete? It looks truncated
to me -- the debug log part (lines beginning with a timestamp) should
be many times longer.
Try collecting it as follows and attach log.txt file:
$ rbd snap create ceph-dev@backup --debug-ms 1 --debug-rbd 20 >log.txt
2>&1
Thanks,
Ilya
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