HP E5000 User's Guide download pdf (Page 33)

each server in the DAG, you must use an external load balancing method. Two possible methods

are:

• Use a hardware load balancer.

• Use the Exchange database configuration to balance the load across the CAS servers manually.

◦ MAPI Traffic: Assuming the users are evenly split between databases, use the

Set-MailboxDatabase cmdlet available from Microsoft at http://technet.microsoft.com/

en-us/library/bb123971.aspx and specify the rpcclientaccessserver parameter

equal to cas1 for half of the databases and cas2 for the other half.

◦ OWA Traffic: OWA requires persistence, so direct all OWA traffic through the first CAS.

◦ Exchange Sync (EAS): Direct all OWA traffic through the second CAS.

◦ Other protocols (POP3, IMAP, and so forth): Use DNS round-robin to get rudimentary

load balancing.

Using Microsoft Exchange Jetstress and Load Generator (optional) 33

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HP E5000 User's Guide Page 33