Symantec NETBACKUP 7 Manual de usuario Pagina 113

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The PureDisk plug-in sends only unique data segments to the NetBackup
Deduplication Engine on the storage server. The NetBackup Deduplication
Engine writes the data to the media server deduplication pool.
Figure 9-3 shows the backup process when a media server deduplicates the
backups. The destination is a PureDisk storage pool. A description follows.
Figure 9-3
Deduplication to a PureDisk storage pool
nbjm
bpbrm
bptm
Deduplication storage server
Master server
Client
PureDisk
plug-in
Control path
bpbkar
Data path
PureDisk deduplication pool
The following list describes the backup process when a media server deduplicates
the backups and the destination is a PureDisk storage pool:
The NetBackup Job Manager (nbjm) starts the Backup/Restore Manager (bpbrm)
on a media server.
The Backup/Restore Manager starts the bptm process on the media server and
the bpbkar process on the client).
The Backup/Archive Manager (bpbkar) generates the backup images and moves
them to the media server bptm process.
This example shows two media servers.
The bptm process moves the data to the PureDisk plug-in.
The PureDisk plug-in performs file fingerprinting calculations.
The PureDisk plug-in sends only unique data segments to the PureDisk storage
pool.
113Deduplication architecture
Media server deduplication process
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