Symantec NETBACKUP 7 用户手册
■
The PureDisk plug-in performs file fingerprinting calculations.
■
The PureDisk plug-in sends only unique data segments to the storage server,
which writes the data to the media server deduplication pool.
which writes the data to the media server deduplication pool.
shows the backup process of a client that deduplicates its own data.
The destination is a PureDisk storage pool. A description follows.
Figure 9-5
Deduplication client backup to a PureDisk storage pool
nbjm
bpbrm
bptm
Proxy
plug-in
plug-in
Media server
Master server
Deduplication client
PureDisk plug-in
Control path
Data path
bpbkar
Proxy server
(nbostpxy)
(nbostpxy)
PureDisk storage pool
The following list describes the backup process for a deduplication client to a
media server deduplication pool:
media server deduplication pool:
■
The NetBackup Job Manager (
nbjm
) starts the Backup/Restore Manager (
bpbrm
)
on a media server.
■
The Backup / Restore Manager probes the client to determine if it is configured
and ready for deduplication.
and ready for deduplication.
■
If the client is ready, the Backup/Restore Manager starts the following
processes: The OpenStorage proxy server (
processes: The OpenStorage proxy server (
nbostpxy
) on the client and the data
moving processes (
bpbkar
on the client and
bptm
on the media server).
NetBackup uses the proxy plug-in on the media server to route control
information from
information from
bptm
to
nbostpxy
.
■
The Backup/Archive Manager (
bpbkar
) generates the backup images and moves
them to the client
nbostpxy
process by shared memory.
Deduplication architecture
Deduplication client backup process
Deduplication client backup process
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