Can ALL 5.1(2b) servers upgrade at the same time to 5.1(3)?

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Jan 10th, 2008
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The cluster include one Publisher and 2 Subscribers, all server are running 5.1(2b).

Can we upgrade all severs including the Publisher to 5.1(3) at the same time?

Does anyone have this experience?

If I select don't switch to new version, after all servers are upgraded to 5.1(3), I wants to switch to new version at the same time.

Is that correct.

During the upgrade process, I find out all phone registered to the upgrading server do not have any impact during this upgrade process.

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gogasca Thu, 01/10/2008 - 21:43
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You need to upgrade PUB first then SUBS...because of DB architecture.

If you dont want that phones register to one particular server, shutdown CCM service.





lwai Thu, 01/10/2008 - 23:02
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Thanks! therefore the steps to upgrade the cluster :

1, upgrade the Pub. server first and select do not switch to new version.

2,After the Pub. server finish, start both Subscriber server and select do not switch to new version.

3,As all Sub. servers are upgarded.

4, Switch the Pub. server to new version.

5, After the Pub. is up and running in new version, switch both Sub. servers to new version.



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