HP StorageWorks Enterprise File Services WAN Accelerator 2.1.5 deployment guide (June 2006)

84 8 - PROXY FILE SERVICE DEPLOYMENTS
PFS runs in concert with the HP EFS Remote Copy Utility (HP EFS RCU). The HP
EFS RCU must be installed on the origin server or on a separate Windows host with
write-access to the data utilized by PFS. For detailed information, see the HP
Enterprise File Services Remote Copy Utility Reference Manual.
PFS provides:
 LAN access to data residing across the WAN. File access performance is
improved between central and remote locations. PFS creates an integrated file-
server, enabling clients to access data directly from the PFS on the LAN as
opposed to the WAN. Transparently in the background, data on the PFS is
synchronized with data from the origin file server over the WAN.
 Continuous access to files in the event of WAN disruption. PFS provides
support for disconnected operations. In the event of a network disruption that
prevents access over the WAN to the origin server, files can still be accessed on
the local HP EFS WAN Accelerator.
 Simplify Branch Infrastructure and Backup Architectures. PFS consolidates
file servers and local tape backup from the branch into the data center. PFS
enables a reduction in number and size of backup windows running in complex
backup architectures.
PFS Terms
The following terms are used to describe processes and devices in PFS.
Proxy File Service
Term
Description
Proxy File Server A virtual file server resident on the HP EFS WAN Accelerator,
providing Windows file access (with Access Control Lists
(ACLs)) capability at a branch office on the LAN network,
populated over an optimized WAN connection with data from
the origin server.
Origin Server The server located in the data center which hosts the origin data
volumes.
Domain Name The domain to which you want to make the proxy file server a
member. Typically, this is the same domain as your company’s
domain.