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exchange cluster

Hi Experts,

can you explain which cluster is the best for Exchange 2007 ?

    If the value is Disabled, the Exchange Server 2007 server is a non-clustered mailbox server.
    If the value is NonShared, the Exchange Server 2007 cluster is a CCR environment.
    If the value is Shared, the Exchange Server 2007 cluster is a single copy cluster.

Now we use SHARED.

What is the benefit of each ?
And what should be used in a company ?
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Eprs_Admin
Asked:
Eprs_Admin
3 Solutions
 
Alex Green3rd Line Server SupportCommented:
non clustered is pretty self explainatory

CCR is cluster continuous replication, I.E both servers replicate between each other to ensure the data is live, you can loose data this way if one goes down before the replication completes

Shared is a standard cluster, one host goes down, the other takes the storage and comes up, it uses shared storage.
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Eprs_AdminSystem ArchitectAuthor Commented:
and which is best to use in a bigger company ?
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EEhotlineCommented:
CCR would be best set up for bigger company. Because both nodes of the CCR environment have their own copies of the Exchange databases and transaction logs. The transaction logs from the active node are asynchronously copied to the passive node and replayed into the database.

When you have a problem with either the active node itself or the active node's databases, the Exchange server can be failed over to run from the previously passive node and its own copy of the databases.
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Eprs_AdminSystem ArchitectAuthor Commented:
ok I see.
In our environment, the database is saved on the exchange server.
But the drives are connected to a SAN.
Maybe therefore they use the shared cluster mode.
Or what do you think ?
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Md. MojahidCommented:
Its is totally depend up to you and your organization requirement. i would refer CCR is good.
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Eprs_AdminSystem ArchitectAuthor Commented:
ok
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