BIP-IP : iControl update & sync HA pair

Question

BIG-IP 11.4.1 Build 608.0 Final&nbsp;
I am using iControl to update a Data Group File on a active-standby pair of BIG-IP devices.&nbsp;
What is best-practice to update &amp; sync an HA pair ? &nbsp;
Should I identify the active device , apply update to it , and then sync the standby device ?  If so , how to identify the active device ?&nbsp;
Or can I apply to the update to either device ( irrelevant of whether it's currently active or standby ) and then sync the other device ?&nbsp;
And what type of sync should I perform ?  BASIC or ALL ?&nbsp;
If answer is different for GTM/LTM , please describe differences.&nbsp;
Thanks.&nbsp;
EDIT :  Turns out our prod F5s are configured with floating IPs which always talk to active member of active/standby pair.  So it seems I need to perform a synchronize-to-group operation from the floating ip , correct ? &nbsp;

navfett_119885 · Answer

Its best to do the work on the active unit and than sync over to the standby. &nbsp;

navfett_119885 · Answer

also theres several documents on F5 support site about HA sync which you can review to make yourself familiar with the process.

baltostar_12467 · Answer

Yes I'm reading through various documents. However, I am not finding answers to all of my questions. Specifically, how to identify which device in the pair is currently active ?  And what type of config sync to perform ?

greg_chew_31149 · Answer

Check https://devcentral.f5.com/questions/how-to-find-out-if-f5-server-is-an-active-or-stand-alone&nbsp;
System.Failover.get_failover_state() 
will show the failover status.&nbsp;

baltostar_12467 · Answer

Thanks Greg. Please see my updated question above.

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BIP-IP : iControl update & sync HA pair

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