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Description of problem: From the ssytemd 216 announcement:

        * timer units with at least one OnCalendar= setting will now
          be started only after timer-sync.target has been
          reached. This way they will not elapse before the system
          clock has been corrected by a local NTP client or
          similar. This is particular useful on RTC-less embedded
          machines, that come up with an invalid system clock.

Several of my existing systems have very unstable local clocks.  I believe this fix would help keep my timer based units executing as I expect.

Version-Release number of selected component (if applicable):systemd-208-11.el7_0.2


How reproducible:
100%

Steps to Reproduce:
1.Find a system with a dead CMOS battery, boot it with several timer units using OnCalendar
2.
3.

Actual results:
Strange, and somewhat unknown behavior

Expected results:
timer based units wait until after time sync successful

Additional info:

This should be now fixed with the rebase.

systemd was rebased to version 219.
Marking as VERIFIED SanityOnly.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2092.html