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Status Delivered
Workspace Db2
Created by Guest
Created on Jun 7, 2019

Remove per-tablespace size limitation for v11.1 and v11.5 community edition

Currently if we restore a database backup that was taken on a higher edition of Db2 into Developer-C, it fails with SQL1139N, even if it is fully less than 100GB. There are two workarounds for this:

  1. Set a MAX for all table spaces before taking the backup. This is problematic, because setting a MAX may not be desired in that environment, and may risk a future outage in that environment.
  2. Apply a different license, do the restore, then change the license.

DB2 should just force the max settings on restore without a user having to go in and change them.

  • Guest
    Jan 22, 2021

    Thanks, this is good news. Can you tell us in which FP or Mod this will be delivered?

    Regards
    Mark

    Mark Gillis
    Principal Consultant

    [Logo]

    Triton Consulting - Experts in Hybrid Data Management and Digital Transformation

    m: +44 (0) 77866 24704

    e: Mark.Gillis@triton.co.uk
    LinkedIn https://uk.linkedin.com/in/mgillis

  • Guest
    Jan 3, 2020

    In case anyone is confused,  the limitation of the community edition is 100 GB of storage per database.  So it's 100GB OF tablespace (the total), not PER tablespace.  db2licm -l wording can be misleading

  • Guest
    Jan 3, 2020

    Encountered this issue as well even though I was just restoring from Express edition 9.7 into Trial 11.1 and finally into the new Community edition 11.5, so higher edition is not a requirement to trigger the issue.

    I have expanded on the How should it work section a little bit:

     

    First step on restore, Db2 should check each tablespace for a maxsize of None or greater than 100GB.  It should write a warning if any are found and automatically set the tablespace maxsize to 100GB for each.

     

    Second step, Db2 should estimate the total size of the database to be restored including known compression ratios and give a warning prompt if the total actual space used risk being greater than 100GB. The user will have a chance to abort right away and fix things instead of having to wait for a lengthy restore that will just fail towards the end. 

     

    Alternately, an utility could be available to run against the backup file to do the above steps as a prerequisite check.

  • Guest
    Sep 10, 2019

    For sure

     

    I faced the same issues..  it was a pain! Simple change in the code...  Should not be that hard to implement this