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AVEVA™ PI System™ Feedback Portal

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We created this site to hear your enhancement ideas, suggestions and feedback about AVEVA products and services. All of the feedback you share here is monitored and reviewed by the AVEVA product managers.

To start, take a look at the ideas in the list below and VOTE for your favorite ideas submitted by other users. POST your own idea if it hasn’t been suggested yet. Include COMMENTS and share relevant business case details that will help our product team get more information on the suggestion. Please note that your ideas and comments are visible to all other users.


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Status No status
Categories Data Archive
Created by Guest
Created on Aug 20, 2022

smarter calculation of PI Backup required free space

When backfilling tags from AF its very easy to update many archives. I would like the backup script to only require free space for archives that don't exist in the target folder. We have periodic incremental backup failures do to a lack of free disk space, even though almost all of the archives being backuped up will replace files that already exist in the target folder
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  • Guest
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    Aug 20, 2022
    There are complexities associated with this idea in that we would need to know the content of the archives both from the source and also destination. Did I understand your request correctly?
  • Kenneth Barber
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    Aug 20, 2022
    I also encountered this issue. It seems that PI backs up the archives first and then deletes any corresponding older backups, or at least, that is what the free-space check would suggest. If you don't have enough space for all of the archives that will be backed up, the backup fails. The older backup archives that will be replaced as part of the backup are not counted towards the free space, but they should be.
  • Guest
    Reply
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    Aug 20, 2022
    We have the same issue when AF backfills many archives. The precommit folder becomes too large for the available backup disk space and we have to do multiple manual backups increasing the numarch parameter for each backup to accomplish this. We basically look at archive size and available disk space on backup drive and determine how much to increase numarch with each manual backup. Would like the backup utility to somehow automatically accomplish the same thing.