Re: Exchange Clusters
- From: "daveberm" <david.bermingham@xxxxxxxxxxxx>
- Date: 30 Nov 2006 07:00:55 -0800
What you are looking for is an intelligent load balanced solution for
Exchange, not a HA clustering solution. As Susan and Kirill already
pointed out, this is not possible today. I agree with Kirill that the
best option is to configure a single Exchange server (or cluster) in
your data center, with as much redundancy as possible. In addition to
using Outlook in cached mode, there is another solution which will
improve the experience of Outlook users in the remote office(s).
iShared Exchange Services by Packeteer. Here is a nice look at the
results achieved with iShared...
http://www.packeteer.com/resources/prod-sol/Tolly_WAFS.pdf
David A. Bermingham, MCSE, MCSA:Messaging
Senior Systems Engineer
www.steeleye.com
Kirill Palagin wrote:
As Susan already said, clusters are expensive in both setting up and
maintaining. Geographically spread clusters are even more expensive.
If you really require very high availability (and ready to pay for that)
you can take clustering route.
Exchange 2007 will ease the pain some what with Local Continuous
Replication (LCR) and Cluster Continuous Replication (CCR).
In any case I would suggest establishing single data center with
reliable hardware and redundant Internet connectivity and setting up
users with Outlook in cached mode. This will allow then to use Exchange
no matter where they are, reduce admin overhead and allow access at
least to older messages (with cached mode).
Jason wrote:
Good Day All,
The company I am with has offices in Toronto, Ontario and in
Halifax, NS. I am looking for a solution that would allow our users
to connect to a local exchange server (and sql server for that matter)
regardless of which office they are in. So if user A in Toronto
connects to an exchange server, that user will connect to the server
in Toronto whereas if User B in Halifax connects to an exchange server
they will connect to the server in Halifax. If user a comes to
Halifax for any reason, when they connect to exchange I want the
connection for them to go to the halifax server without them having to
change anything. This all being the case, I need to have both servers
be identical or as near to identical as possible given internet
latency. Is clustering what I want here? Is this even possible?
Would one server receive mail always and then replicate to the other?
Would this allow for failover if one of the servers die? Is there a
good book I can read on this?
Thank you for any help
Jason.
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Thank you very much!
.
- References:
- Exchange Clusters
- From: Jason
- Re: Exchange Clusters
- From: Kirill Palagin
- Exchange Clusters
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