[260] in Athena_Backup_System

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Requirements revised as per last meeting.

daemon@ATHENA.MIT.EDU (Bill Cattey)
Mon Jun 17 16:50:13 1996

Date: Mon, 17 Jun 1996 16:49:57 -0400 (EDT)
From: Bill Cattey <wdc@MIT.EDU>
To: athena-backup@MIT.EDU

Here are the diffs on the requirements.
You might want to glance at them to confirm they say what you think I
said I was going to do.

-wdc

Changed:

  ENVIRONMENTAL IMPACT

  1)  The system will no more seriously impact the operation of the
      non-ABS servers than the existing backup system.

  CRIPPLED MODE

  2)  The system shall be able to perform dumps of limited functionality
      when the database or Master is offline through the use of a Crippled
      Mode user interface client.
  
  3)  The Crippled mode dump command will permit accurate and up-to-date
      dumps of a file server, file server partition, or a specific volume.
      In the case of AFS file servers, there will be the option to select
      dumping from either the read/write or clone volumes.

Requriements 3 and 4 are renumbered to 4 and 5 respectively.
Requirement 6 is renumbered to  7.

The new requirement 6 reads:

  6)  As part of the periodic ABS maintenance procedures, a report will
      be generated correlating tape to volume and tape to partition.
      This report will be used to help find the proper tape for a crippled
      mode volume or partition restore.
    NOTE: In cases where this report is outdated by volume migration or
      addition, manual referral to crippled mode dump status reports or
      the filesystem's own volume location database may be required.


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