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Status Not under consideration
Created by Guest
Created on Oct 6, 2023

ISP code should be able to handle the same input/output volume when multiple parallel reclamation processes need access to the volume

When using the following stgpool configuration with ISP there is a limitation to
run parallel reclamation for multiple tape pools within the setup:

1. protect stgpool container_archive_prim --> copy_container_archive_prim
2. stgrule copy container_archive_prim --> copypool (copypool)
3. tier data container_archive_prim --> tape_archive_prim (primary tape pool)
4. backup stgpool tape_archive_prim --> tape_archive_copy (copypool)

Then if reclaim for COPYPOOL and TAPE_ARCHIVE_COPY are run concurrently, since volumes in
COPYPOOL are onsite, then it happens that both reclaim processes can chose the same volume 
as input and output volume, which causes failed processes and ANR9999D.

dsmserv code should be able to handle multiple reclamation processes handling same input/output volumes.

Idea priority Medium
  • Admin
    Juan Carlos Jimenez Fuentes
    Reply
    |
    Oct 30, 2023

    IBM has evaluated the request and has determined that it can not be implemented at this time. This request may be resubmitted for consideration after 18 months from the date of submission. The request submitter will automatically be notified by email when the request qualifies for reconsideration and resubmission.