Symantec NETBACKUP 7 - Manual (Page 114)

Deduplication client components
Table 9-2 describes the client deduplication components.
Table 9-2 Client deduplication components
Description Host Component
The PureDisk plug-in is the data interface to the
NetBackup Deduplication Engine on the deduplication
storage server. The PureDisk plug-in does the following:
■ Separates the file’s metadata from the file’s content.
■ Deduplicates the content (separates files into
segments ).
■ Controls the data stream from NetBackup to the
NetBackup Deduplication Engine and vice versa.
Client PureDisk plug-in
The OpenStorage proxy server (nbostpxy) manages
control communication with the media server.
Client Proxy server
The proxy plug-in manages control communication with
the client. Media server Proxy plugin
Deduplication client backup process
Figure 9-4 shows the backup process of a client that deduplicates its own data.
The destination is a media server deduplication pool. A description follows.
Deduplication architecture
Deduplication client components 114