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Date:      Wed, 14 Jan 2015 15:16:36 +0000
From:      Karl Pielorz <kpielorz_lst@tdx.co.uk>
To:        freebsd-xen@freebsd.org
Subject:   XenServer 6.5 migrate FBSD 10/11 results in clock reset to 1970?
Message-ID:  <70A0A91F47C63040B165812D@[10.12.30.106]>

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Hi,

This has been seen before e.g. see

 <https://lists.freebsd.org/pipermail/freebsd-xen/2013-December/001825.html>;

We're now seeing this now we've started using 10.x boxes under XenServer 6.5

Is there any work around for it?

The 'hit' rate for us seems to be quite high (+70%?) i.e. the clock resets 
most of the time we do even just a storage migration.

The guests are running NTP - and that continues running after the event, 
but  is obviously unwilling to make such a big clock adjustment to drag the 
guests time from 1970 to present day.

Unfortunately - this also causes various other things on the box to break 
as well :(

Is there no 'after migration' hook or script I can lodge some code to 
shutdown NTP, do an ntpdate - then restart NTP again?

Cheers,

-Karl



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