Hello all
I have cephfs working fine with running ads but still not able to mount,
getting error mount error: no mds (Metadata Server) is up
Below are details
# ceph osd dump | grep min_compat_client
require_min_compat_client reef
min_compat_client reef
# ceph balancer status
{
"active": true,
"last_optimize_duration": "0:00:00.002882",
"last_optimize_started": "Tue Jul 15 21:16:41 2025",
"mode": "upmap-read",
"no_optimization_needed": true,
"optimize_result": "Unable to find further optimization, or pool(s) pg_num
is decreasing, or distribution is already perfect",
"plans": []
}
root@van2-host06n:~# dpkg -l ceph-common
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-=============-============-==================================================================
ii ceph-common 19.2.2-1jammy amd64 common utilities to mount and
interact with a ceph storage cluster
root@van2-host06n:~# ceph fs status
van2.dev - 0 clients
========
RANK STATE MDS ACTIVITY DNS INOS
DIRS CAPS
0 active van2.dev.van2-host06n.wqttsi Reqs: 0 /s 10 13 12
0
1 active van2.dev.van2-host07n.fngvlt Reqs: 0 /s 10 13 11
0
POOL TYPE USED AVAIL
cephfs.van2.dev.meta metadata 230k 53.0T
cephfs.van2.dev.data data 0 53.0T
STANDBY MDS
van2-dev.van2-host07n.jnacmh
van2-dev.van2-host06n.wpzshe
van2-dev.van2-host08n.slrfej
MDS version: ceph version 19.2.2 (0eceb0defba60152a8182f7bd87d164b639885b8)
squid (stable)
SYstemd file.
===========
# cat cephfs.mount
#
# this mounts on /cephfs
[Unit]
Description=mount /cephfs
After=network-online.target
Requires=network-online.target
[Mount]
Where=/cephfs
What=10.101.1.246:6789,10.101.1.247:6789,10.101.1.248:6789:/
Type=ceph
Options=fs=van2.dev,name=admin,noatime,_netdev,x-systemd.automount
[Install]
WantedBy=multi-user.target
root@van2-host06n:~# journalctl -u cephfs.mount
Jul 15 19:31:10 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:32:12 van2-host06n.van2.example.com mount[1809096]: mount error: no
mds (Metadata Server) is up. The clu>
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=>
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:34:59 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:35:59 van2-host06n.van2.example.com mount[1810584]: mount error: no
mds (Metadata Server) is up. The clu>
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=>
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:36:16 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:37:17 van2-host06n.van2.example.com mount[1811498]: mount error: no
mds (Metadata Server) is up. The clu>
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=>
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:49:38 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:50:40 van2-host06n.van2.example.com mount[1817486]: mount error: no
mds (Metadata Server) is up. The clu>
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=>
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:51:58 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=killed, status=>
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'signal'.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Unit
process 1817555 (mount.ceph) remains >
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: Unmounted mount
/cephfs.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Found
left-over process 1817555 (mount.cep>
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: This usually
indicates unclean termination of a previous>
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:52:59 van2-host06n.van2.example.com mount[1817555]: mount error: no
mds (Metadata Server) is up. The clu>
lines 1-29...skipping...
Jul 15 19:31:10 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:32:12 van2-host06n.van2.example.com mount[1809096]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be>
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:34:59 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:35:59 van2-host06n.van2.example.com mount[1810584]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be>
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:36:16 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:37:17 van2-host06n.van2.example.com mount[1811498]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be>
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:49:38 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:50:40 van2-host06n.van2.example.com mount[1817486]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be>
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:51:58 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=killed, status=15/TERM
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'signal'.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Unit
process 1817555 (mount.ceph) remains running after unit stopped.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: Unmounted mount
/cephfs.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Found
left-over process 1817555 (mount.ceph) in control group while starting uni>
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: This usually
indicates unclean termination of a previous run, or service implementation
defici>
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:52:59 van2-host06n.van2.example.com mount[1817555]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be>
Jul 15 19:53:26 van2-host06n.van2.example.com mount[1817572]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be>
Jul 15 19:53:26 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:53:26 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:53:26 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:56:29 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:57:29 van2-host06n.van2.example.com mount[1817655]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be>
Jul 15 19:57:29 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:57:29 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:57:29 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
lines 1-38...skipping...
Jul 15 19:31:10 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:32:12 van2-host06n.van2.example.com mount[1809096]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:32:12 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:34:59 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:35:59 van2-host06n.van2.example.com mount[1810584]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:35:59 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:36:16 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:37:17 van2-host06n.van2.example.com mount[1811498]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:37:17 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:49:38 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:50:40 van2-host06n.van2.example.com mount[1817486]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:50:40 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:51:58 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=killed, status=15/TERM
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'signal'.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Unit
process 1817555 (mount.ceph) remains running after unit stopped.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: Unmounted mount
/cephfs.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Found
left-over process 1817555 (mount.ceph) in control group while starting unit.
Ignoring.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: This usually
indicates unclean termination of a previous run, or service implementation
deficiencies.
Jul 15 19:52:24 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:52:59 van2-host06n.van2.example.com mount[1817555]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:53:26 van2-host06n.van2.example.com mount[1817572]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:53:26 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:53:26 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:53:26 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:56:29 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:57:29 van2-host06n.van2.example.com mount[1817655]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:57:29 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:57:29 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:57:29 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 19:58:50 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 19:59:51 van2-host06n.van2.example.com mount[1818287]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
Jul 15 19:59:51 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Mount
process exited, code=exited, status=32/n/a
Jul 15 19:59:51 van2-host06n.van2.example.com systemd[1]: cephfs.mount: Failed
with result 'exit-code'.
Jul 15 19:59:51 van2-host06n.van2.example.com systemd[1]: Failed to mount mount
/cephfs.
Jul 15 20:05:43 van2-host06n.van2.example.com systemd[1]: Mounting mount
/cephfs...
Jul 15 20:06:44 van2-host06n.van2.example.com mount[1818912]: mount error: no
mds (Metadata Server) is up. The cluster might be laggy, or you may not be
authorized
lines 1-45
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