NSRMMDBASM(8)               Legato NetWorker 3.0               NSRMMDBASM(8)


NAME
       nsrmmdbasm - NetWorker module for saving and recovering media
       databases

SYNOPSIS
       nsrmmdbasm [standard-asm-arguments]

DESCRIPTION
       The nsrmmdbasm is a standard, external ASM (Application Specific Mod­
       ule) that assists in the saving and recovery of the NetWorker media
       multiplexor's database files.

       See uasm(8) for a general description of ASM's and the [standard-asm-
       arguments].  It is intended that nsrmmdbasm only be invoked by uasm
       during save(8) or recover(8) operations.

       Actions performed by nsrmmdbasm, specific to the NetWorker applica­
       tion during a save are:

       Architecture independence:
              The high speed access methods and data structures implemented
              by the database code are machine dependent.  This ASM saves
              only the records (and not access indexes) in an architecture
              independent manner.  Therefore, NetWorker media databases may
              be saved from one machine architecture and recovered to anoth­
              er.

       Conservation:
              Since only changed records are saved, and not internal index­
              es, considerable network bandwidth and tape space are con­
              served.

       The recover operation of this ASM is the inverse of the save opera­
       tion.

EXAMPLE
       The NetWorker system automatically builds a new save directive file,
       .nsr, at the same time that it builds a new media multiplexor
       database.  The contents of the save directive file are shown below:

              nsrmmdbasm: mmvolume

       This save directive causes this ASM to be invoked when saving the
       database, mmvolume.

FILES
       /nsr/mm/.nsr        This save directive causes nsrmmdbasm to be in­
                           voked on the mmvolume file.

       /nsr/mm/mmvolume    The file which is saved and recovered by this ASM
                           .

       /nsr/mm/mmvolume.RECOVER
                           The temporary file where this ASM recovers data.



Licensed material--property of copyright holder(s)                         1

NSRMMDBASM(8)               Legato NetWorker 3.0               NSRMMDBASM(8)


                           Upon completion the file is renamed to mmvolume.

SEE ALSO
       mm(8), nsr(5), nsr_layout(5), nsrmmd(8), nsrindexasm(8), recover(8),
       save(8), uasm(8)




















































Licensed material--property of copyright holder(s)                         2