[389-users] # of master-master servers - do I need 4?
Rich Megginson
rmeggins at redhat.com
Fri Dec 4 16:39:59 UTC 2009
Alan McKay wrote:
> Hey folks,
>
> I keep seeing reference to 4 servers in all the docs. Is that a
> magic # of some sort? i.e. Do I need to have 4? Or can I have 2 or
> 3?
>
With 389 there is no limitation - you can have as many or as few as you
want. The limitation of 4 only applies to Red Hat Directory Server and
even then only applies to tech support - the only real limit is 65,534
masters, but you will usually hit CPU and RAM resource limits before that.
> What I want to do is this :
> - get main server set up here in the office
> - get backup set up in office
> - get another set up at remote site, on other end of VPN
> - remove backup in office
>
> So basically - have 2, then 3, then 2 again.
>
> Seems reasonable to me, but what do I know?
>
That should be fine.
> I want to have the office backup just for redundancy because it could
> be a few months before I can get other things in place to have this
> going at the remote site. But I really want to roll out ASAP in the
> office now that I have the basics going (minus replication)
>
> thanks,
> -Alan
>
>
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