Lists EDB databases and its associated CAS
Get-MailboxDatabase | fl Name, RpcClientAccessServer
Set of a specific CAS for a database
Set-MailboxDatabase "Mailbox Database 0352856073" -RpcClientAccessServer EX2010-1.domain.local
Suspend DB copy and avoid automatic fail-over
Suspend-MailboxDatabaseCopy -Identity EXCAS7 \ EX-CAS7 -ActivationOnly
To resume automatic DB fail-over activation
Resume-MailboxDatabaseCopy –identity DATABASE \ EX-SERVER