Thanks for the tip. We're just trying to get the OD master off our
home directory server. I think i'll go with the promote the replica
and leave both up for a spell.
Thanks again - james
On Nov 9, 2007 5:33 PM, Andre LaBranche <email@hidden> wrote:
>
>
> On Nov 7, 2007, at 10:19 PM, Jamie Lists wrote:
>
> > Were wanting to move our ODM from one xserve to one that will just
> > handle open directory master duties.
> >
> > Right now xserv1.domain.com is our ODM.
> >
> > We'd like to move it to od.domain.com which is another xserve
> >
> > I'm thinking that making od.domain.com a replica and then promoting it
> > to master would be the best way but i wanted to hear others thoughts.
>
> That is a valid and supported way to move the master, and has the
> advantage of minimal downtime. If these are the only two OD servers,
> it won't be totally seamless when you switch. This is because OD
> clients only update their local replica tables at reboot, network
> change, etc.... so after you promote the new server, none of your
> network will know it's there. You can bite the bullet and just reboot
> everything, or you can leave both servers up for a while, letting
> people pick up the new replica as they reboot at their normal schedule.
>
> I filed this bug in Tiger, and I think it's fixed in Leopard, but
> haven't tested it myself.
>
> Another option would be to use the OD backup / restore, but in that
> case you really want the new OD server to have the same network / dns
> configuration as the existing one, meaning that the old one has to be
> taken off the network when the new one is brought up. Don't actually
> demote or reconfigure the old one until the new one is running
> smoothly, just shut it down.
>
> When I did this in a production environment, I chose the 'promote a
> replica' route, leaving both the old and new servers up for a couple
> weeks to allow the new replica records to propagate... as it turns
> out, some servers which are OD clients have uptimes that are longer
> than two weeks! Those servers didn't pick up the new replica, and had
> to be rebooted when I took the old master offline (hint: you can
> simply kill or HUP DirectoryService instead of a reboot).
>
> HTH,
> -Andre
>
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Macos-x-server mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
http://lists.apple.com/mailman/options/macos-x-server/email@hidden
This email sent to email@hidden
