Fujitsu 2.1 -Example of n:1 case

Chapter 1 ETERNUS VSS Hardware Provider
1.3 Operational Procedure
ETERNUS VSS Hardware Provider 2.1 User’s Guide
Copyright 2012 FUJITSU LIMITED P3AM-4582-03ENZ0
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■Cluster configuration
•Cluster configuration is not supported by the backup server.
•To operate the production server for cluster configuration, perform the following environment
settings.
-The production servers must have the same version and level of the Windows Server OS.
-Install the same version and same level of VSSHP in each production server.
-Install the requester that supports VSS in each production server.
-Install the writer that supports VSS in each production server.
The following shows examples of both a single active production server, single standby production
server case (1:1), and for a multiple active production server, single standby production server case
(n:1).
-Example of 1:1 case
-Example of n:1 case
Windows Server
(active production
server)
Windows Server
(standby production
server)
Windows Server
(backup server)
ETERNUS Disk
storage systems
Source
Disk
Shadow Copy
Destination
Windows Server
(active production
server)
(work 1)
Windows Server
(standby production
server)
(work 1)
+
(work 2)
Windows Server
(backup server)
ETERNUS Disk
storage systems
Source
Disk
(work 1)
Shadow Copy
Destination
(work 1)
Source
Disk
(work 2)
Shadow Copy
Destination
(work 2)
Windows Server
(active production
server)
(work 2)