Acer SmartRAID V Bedienungsanleitung Seite 56

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Adapter Configuration and Installation
How SmartRAID V Works with MSCS
When MSCS is operating on a server cluster, the servers continuously
send a heartbeat to each other across the private network connection.
When a server does not receive this signal for a preset interval, it
automatically begins the failover process of providing the resources of the
failed server and takes control of the storage subsystem.
When the transfer is complete, the failed server remains offline until the
problem that caused the failure is corrected. When the failed server is
restored, MSCS can initiate a failback operation so that the second server
releases its control of the other servers resources and the previously
failed server begins servicing client requests for its assigned resources.
A logical array that is deleted can continue to appear as available in a
Storage Manager remote session from the other server in the cluster or
from a remote client. The cluster servers must be restarted to ensure that
the deleted array does not continue to be reported as available.
NOTE Both SmartRAID V controllers must be connected to the shared
storage subsystem using special cables that include pass-
through termination. These cables can be purchased from DPT.
Public Network
Private Network
Server 1 Server 2
Shared Storage
*Cables must use pass-through termination.
Shared SCSI bus*
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