Re: Cluster downtime due to unsynchronized clocks

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On Thu, Sep 23, 2021 at 10:23 AM Robert Sander
<r.sander@xxxxxxxxxxxxxxxxxxx> wrote:
>
> Am 23.09.21 um 09:49 schrieb Mark Schouten:
>
> > The cause of this timeshift is the terrible way that systemd-timesyncd
> > works, depending on a single NTP-server.
>
> I always kill that one with fire:
>
> systemctl disable --now systemd-timesyncd.service
> systemctl mask systemd-timesyncd.service
>
> and then use chrony or ntpd.

Moreover, if you use chronyd, be sure to also enable the `chrony-wait`
service, which will ensure that ceph daemons are not started before
time is synchronized.

Cheers, Dan
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