HP StorageWorks Enterprise File Services WAN Accelerator Guide de l'utilisateur télécharger pdf (Page 13)

HP STORAGEWORKS ENTERPRISE FILE SERVICES REMOTE COPY UTILITY REFERENCE MANUAL 11

1 - THE HP EFS REMOTE COPY

TILITY

 Transparent Prepopulation. With transparent prepopulation the HP EFS RCU

warms the data store of deployed HP EFS WAN Accelerators with data from the

client. When a data store is warm, the HP EFS WAN Accelerator has already seen

the data. When data is sent again over the WAN only new or modified data is sent,

dramatically increasing the rate of data transfer over the WAN.

Figure 1-2. Transparent Prepopulation

 Static Backup. With the HP EFS RCU, when a scheduled static backup window

occurs, because the data is already prepopulated in the HP EFS WAN

Accelerators (using the transparent prepopulation feature), only new and

modified data is transported to the backup site. Static backup allows enterprise

customers to reduce their backup windows.

 Proxy File Service (PFS). The HP EFS RCU can be run in concert with PFS, an

optional feature on the HP EFS WAN Accelerator. PFS provides LAN access to

files originating across the WAN and continuous access to files in the event of

WAN disruption. PFS allows you to store local copies of files at the remote site in

an integrated virtual file server resident on the HP EFS WAN Accelerator. For

more information on PFS see, the HP StorageWorks Enterprise Files Services

WAN Accelerator Deployment Guide.

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HP StorageWorks Enterprise File Services WAN Accelerator Guide de l'utilisateur Page 13