I have setup a 2+1 cluster node in our lab (two active one passive)as
back-end server plus a front-end server. It looks like that the cluster
works as far as when one shuts down a node the passive node takes over the
services of that node, or even when the network cable is unplugged.
However, there are three qustions that I have not been able to answer or
find
any on, would anyone have any insight, any help would be appreciated?
they are:
1. when one node is shut down, the services are seen in the
cluster administrator to be taken over by the passive node
Should not the services fall back to the original node when it is on
line again? Or must this be done manually which then does it not mean that
the
serivces to be moved must first be taken offline and then the ownership
moved which defeats clustering purpose?

2. When the node which had taken over all the services was shut down , I got
errors that MTA data could not be saved and looking at the cluster
administrator on the first node it says that the cluster has
failed! But should not the first node server take over immediately (10
secs)?

3. In all the papers that I read, it is mentioned that if one has a
front-end server that on each exchange virtual node an HTTP connection be
mapped to the front-end. Follwing the procedure of creating the HTTP, I can
not start the service unless I take offline the automatically created HTTP
service which was created when Exchange SA was installed by the server
itself! But according to the papers I should have, not only the one which
was created automatially but also have the mapped ones too!?




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