Safe to change timezone on a Ceph cluster?

Xeata_James

Well-Known Member
Aug 16, 2017
29
35
53
62
Calgary, Canada
Background:
  1. Having my cluster on UTC means that Debian is choosing the .nl time servers.
  2. In Check_MK, I see that these checks sometimes don't happen for up to two hours (alerts at 35 minutes without NTP check).
  3. Rather than change the factory PVE settings, I prefer to either adjust monitoring parameters or find a "built-in" PVE solution.
  4. Drift is between .2 and .5ms but during long periods without NTP contact, it has risen as high as 1.5 - 2.0 ms.
Question:
  1. If I change my tzdata in PVE to my local time, will this affect corosync/ceph? Will they detect a problem and choke?
  2. Is there another reason why chrony is failing to NTP sync regularly with the default time servers?
 

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