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 HP 9000 Networking: Advanced Server/9000 Administrator's Guide > Chapter 2 Handling Files

Advanced Server/9000 File Interlocking
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The Advanced Server/9000 supports shared file access with other servers running on the same HP-UX system when file interlocking is enabled. File interlocking will propagate client file range locks to HP-UX file system range locks. If other servers also respect HP-UX file range locks then files can be safely accessed by multiple servers. Advanced Server/9000 does not support the extended interlocking options that LAN Manager 1.x and LAN Manager 2.2 provide to support PacerShare servers.

Advanced Server/9000 employs the following registry value:
UseUnixLocks 0 or 1 (default is 0, locks not reflected in UNIX file system)

NOTE: LAN Manager 1.x has interlock=exclusive and interlock=readonly modes to support the PacerShare product. LAN Manager 2.2 has a unixlocks=access mode to support PacerShare. Advanced Server/9000 does not have equivalent locking functionality.

Examples:

  • In the following entry, no HP-UX locks are placed on files by Advanced Server/9000 servers.

    UseUnixLocks 0

  • In the following entry, F_WRLCK locks are placed on HP-UX files by Advanced Server/9000 servers on behalf of clients on ranges specified in LOCK calls by clients.

    UseUnixLocks 1



Permissions when HP-UX User is Not File Owner
  		 


Managing Files between HP-UX and DOS Clients  
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