ADSM-L

Re: Backup Policies - Kind of FAQs

2001-04-04 20:15:53
Subject: Re: Backup Policies - Kind of FAQs
From: Joel Fuhrman <joelf AT CAC.WASHINGTON DOT EDU>
Date: Wed, 4 Apr 2001 17:16:18 -0700
Exclusively assigned files can not be backed up.

On Wed, 4 Apr 2001, Mahesh Babbar wrote:

>      Hi Gurus,
>
>      Just because I wanted to put all the queries on backup verions and
>      deletion at rest, I have drafted following Statements.
>
>      Would appreciate all yours commnents.
>
>
>      I have a Backup Copy Group parameters with the following values.
>
>      COPYGROUP_NAME: STANDARD
>           VEREXISTS: 7
>          VERDELETED: 7
>            RETEXTRA: 30
>             RETONLY: 60
>                MODE: MODIFIED
>       SERIALIZATION: DYNAMIC
>           FREQUENCY: 0
>         DESTINATION: DISKPOOL1
>            CHG_TIME: 2001-02-15 12:01:52.000000
>           CHG_ADMIN: ADMIN
>             PROFILE:
>
>      The backup is scheduled and performed daily incrementally. The
>      EXPIRE INVENTORY runs daily.
>
>      For the easy understanding  of the new users, who daily bug me for
>      the status of their data, ( and even the admins) can I state
>      following with the Capital letters. It would clear some of my
>      doubts also.
>
>      1. No. of Versions of a file kept in the backup system =  7.
>      The oldest version shall expire on the arrival of the 8th version.
>
>      2. No. of Versions to be kept in the backup system after the file is
>      deleted from the client and then incremental backup is performed on
>      the filesystem containing that particular file = 7
>
>      3. A file backed up and not changed is called an ACTTIVE version and
>      remain there in the backup system FOREVER.
>
>      4. A file backed up, changed and then backed up again, in this case,
>      the previous version becomes INACTIVE and the latest version becomes
>      ACTIVE.
>
>      5. The day a file becomes INACTIVE, it gets deleted from backup
>      system after 30 Days.
>
>      6. A file backed up, deleted from the Client, and then incremental
>      backup is  performed on the directory / filesystems containing that
>      file, this file would remain on the system for 60 Days.
>
>      7. If a filesystem is removed from the "Object List" of the schdule,
>      the filesystems remain doesn't get expired and always remain active.
>
>      8. Always INCRMENTAL backup shall be performed. ( Can any body point
>      out if the whole file goes to the backup system or only the DELTA).
>
>      9. A file shall be backed up even if it's open. CONSISTENCY of the
>      file is not guranteed in that case.
>
>      Please comment if I have missed something as far as users' perpective
>      is concerned.
>
>      Thanks & Regards
>
>      Mahesh
>
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