The fs does not care about time. It should have no effect on the cluster.
However the apps may care and may behave erratically.
On Jan 3, 2013, at 3:13 PM, "Medienpark, Jakob Rößler"
wrote:
> Hello list,
>
> today I noticed huge differences between the hardware clocks in our cluster.
> Some details:
>
> root@www01:~# hwclock;date
> Do 03 Jan 2013 09:32:09 CET -0.626096 seconds
> Do 3. Jan 09:34:54 CET 2013
>
> root@www02:~# hwclock;date
> Do 03 Jan 2013 09:32:09 CET -0.626091 seconds
> Do 3. Jan 09:34:54 CET 2013
>
> root@www03:~# hwclock;date
> Do 03 Jan 2013 09:34:54 CET -0.625820 seconds
> Do 3. Jan 09:34:54 CET 2013
>
> root@storage:~# hwclock;date
> Do 03 Jan 2013 08:34:54 CET -0.641532 seconds
> Do 3. Jan 09:34:54 CET 2013
>
> The server 'storage' is the server which provides the iscsi device to
> www01-03.
> Because the cluster was very unstable during load peaks, I want to ask
> you what kind of effects it will have to ocfs2 if the hwclocks are
> asynchronous like shown above.
>
> Thanks in advance
>
> Jakob
>
>
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