Quantum AML/J Guide de l'utilisateur télécharger pdf (Page 29)

Software Components 2-15

10 Oct 1996

• Fully distributed architecture

• File migration from expensive magnetic disk space to

inexpensive storage media

• Transparent access to the migrated files

• Convenient access to migrated data during reloads

• Flexible migration policies determine the criteria for file

relocation

• File replication across distributed servers

• Multi-tier migration

Additional detailed information is provided in the part

number

600336 DataMgr Documentation Set

manuals.

FileServ software

FileServ software balances on-line media with stored library

media fro quick access to data. The FileServ software provides

the following features:

• The data on the media is accessed via standard UNIX

operations using filesystem(s) as tracking points

• Tracks multiple users of the same file to prevent multiple

mount actions

• File migration from expensive magnetic disk space to

inexpensive storage media

• Transparent access to the migrated files

• Flexible migration policies determine the criteria for file

relocation

• Media error are retained as a means to identify suspect

defective media

Files are accessible across the centralized or distributed

environments through:

• Ethernet

•FDDI

• HYPERchannel

• UltraNet

Requirements to support FileServ software are platform

dependent. Additional detailed information is provided in the

part number

600309 FileServ Documentation Set (for SGI)

manuals and the part number

600255-01 FileServ

Documentation Set (for Convex)

manuals.

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Quantum AML/J Guide de l'utilisateur Page 29

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