[PVE-User] After update Ceph monitor shows wrong version in UI and is down and out of quorum

Frank Thommen f.thommen at dkfz-heidelberg.de
Fri Jan 8 12:05:18 CET 2021



On 08.01.21 11:45, Uwe Sauter wrote:
> 
> 
> Am 08.01.21 um 11:36 schrieb Frank Thommen:
>>
>> On 05.01.21 21:17, Frank Thommen wrote:
>>> On 05.01.21 21:02, Uwe Sauter wrote:
>>>> There's a paragraph about probing mons on
>>>>
>>>> https://docs.ceph.com/en/latest/rados/troubleshooting/troubleshooting-mon/ 
>>>>
>>>
>>> I will check that (tomorrow :-)
>>
>>
>> using the monitor's admin socket on either of the three nodes I can 
>> query the monitors of 01 and 03 (the good ones) but not of 02 (the 
>> problematic one):
>>
>> root at odcf-pve01:~# ceph tell mon.odcf-pve02 mon_status
>> Error ENOENT: problem getting command descriptions from mon.odcf-pve02
>> root at odcf-pve01:~#
>>
>> The monitor daemon is running on all three and the ports are open.
>>
>> Any other ideas?
> 
> You could check the permissions on the socket:
> 
> ss -xln | grep ceph-mon
> SOCK=$(ss -xln | awk '/ceph-mon/ {print $5}')
> ls -la ${SOCK}
> 
> On my host, this shows
> 
> srwxr-xr-x 1 ceph ceph 0 Dec 20 23:47 
> /var/run/ceph/ceph-mon.px-alpha-cluster.asok

same here



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