Hi,
On 15/12/2020 20:44, Suresh Rama wrote:
TL;DR: use a real NTP client, not systemd-timesyncd
1) We audited the network (inspecting TOR, iperf, MTR) and nothing was
indicating any issue but OSD logs were keep complaining about
BADAUTHORIZER
...this is quite possibly due to clock skew on your OSD nodes.
2) Made sure no clock skew and we use timesyncd. After taking out a
systemd-timesyncd is fine for simple installations, but I think isn't
really recommended for applications (like ceph) that really care about
good time sync. I'd think seriously about replacing it with a real NTP
client (the 'ntp' package in Ubuntu, for example).
3) When looking through ceph.log on the mon with tailf, I was getting a lot
of different time stamp reported in the ceph logs in MON1 which is master.
Confused on why the live log report various timestamps?
...this would continue to be consistent with time sync issues.
Regards,
Matthew
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