On Sun, 2009-03-15 at 11:23 -0500, Brad Knowles wrote:
> However, even though both protocols use UDP, NTP != DNS. With NTP,
> there's a lot more state stored by the client with regards to their
> servers, and it's stored for long periods of time -- days, weeks,
> months, years, or more. If you can give me a 100% guarantee that there
> will never, ever be any route flaps over that period of time, then maybe
> this isn't an issue for you. But that doesn't mean that this is a best
> practice that others should follow, and it doesn't mean that you should
> be encouraging others to do the same.
HA Technologies supported by ntp:
Load Balancers: No
Move IP to new machine: No
Anycast: No
Moving DNs to New machine: No
Deploy 4+ active servers, replace when one dies and wait a few months till
clients all notice: Yes
but it seems to mostly work.
--
Simon Lyall | Very Busy | Web: http://www.darkmere.gen.nz/
"To stay awake all night adds a day to your life" - Stilgar | eMT.
_______________________________________________
Tech mailing list
[email protected]
http://lopsa.org/cgi-bin/mailman/listinfo/tech
This list provided by the League of Professional System Administrators
http://lopsa.org/
