Symantec 7 Manual Do Utilizador
Figure 9-4
Deduplication client backup to a media server deduplication pool
nbjm
bpbrm
bptm
Proxy
plug-in
plug-in
Deduplication storage server
Master server
Deduplication client
PureDisk plug-in
NetBackup
Deduplication
Engine
Deduplication
Engine
Control path
bpbkar
Proxy server
(nbostpxy)
(nbostpxy)
Media server deduplication pool
Data path
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.
■
The client
nbostpxy
process moves the data to the PureDisk plug-in.
■
The PureDisk plug-in retrieves a list of fingerprints from the last full backup
for the client from the NetBackup Deduplication Engine. The list is used as a
cache so the plug-in does not have to request each fingerprint from the engine.
for the client from the NetBackup Deduplication Engine. The list is used as a
cache so the plug-in does not have to request each fingerprint from the engine.
115
Deduplication architecture
Deduplication client backup process