Symantec NETBACKUP 7 Manuel d'utilisateur Page 29

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Figure 2-3
Optimized duplication copy example
Host A
PureDisk
Plug-in
NetBackup
Deduplication
Engine
PureDisk
Plug-in
Deduplication node A (source)
Deduplication node B
(destination)
PureDisk
Plug-in
Host B Host C
NetBackup
Deduplication
Engine
PureDisk
Plug-in
Host D
Host D is configured as a load balancing server for
node A
PureDisk
Plug-in
Host E
The following are the requirements for optimized duplication:
The source images must be on a NetBackup media server deduplication pool.
The destination disk storage can be another MediaServer Deduplication Pool
or a PureDisk Deduplication Pool. The destination storage unit cannot be the
same as the source storage unit.
If the destination is a PureDiskDeduplication Pool, the PureDisk environment
must be at release level 6.6 or later.
At least one media server must be common between the source deduplication
node and the destination, as follows:
If the destination is another Media Server Deduplication Pool: Configure
a server in the destination deduplication node as a load balancing server
for the source storage server.
For example, Figure 2-3 shows two deduplication nodes. Host D from the
destination node is configured as a load balancing server for the source
node. It is the common host. The following Storage Server Configuration
Wizard screen shows the load balancing servers that are configured for
deduplication node A:
29Planning your deployment
About optimized duplication of deduplicated data
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