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Status Not under consideration
Workspace Storage Protect Family
Categories Spectrum Protect (Server)
Created by Guest
Created on Mar 22, 2022

RELATED IDEAS

Adding a time out for server migration

Dear SP development team,

We have been using TSM for decades long since v5.x and upgraded our TSM server to V8.1.10 last year. However, the new release v8.1 has not changed the behavior during migration:

As we noticed some migration process hang there forever to wait for an input disk file. The input file name either is the same or a different from the file being migrated.

e.g.

1. migrating file (000E210A.BFS ) and waiting for file( 000E2113.BFS) is different in the process below:

Protect: TSM2>q proc

... 5,005 Migration Volume /sppool/pcd4/000E210A.BFS (storage pool PCD.FILE), Moved Files: 6, Moved Bytes: 60,008 MB, Deduplicated Bytes: 0 bytes, Unreadable Files: 0, Unreadable Bytes: 0 bytes. Current Physical File (bytes): 10,001 MB Waiting for access to input volume /sppool/pcd2/000E2113.BF- S (7137 seconds). Current output volume(s): H24724.

2. migrating file (000E1E41.BFS ) and waiting for file( 000E1E41.BFS) is same in the process below:

4,972 Migration Volume /sppool/kpb1/000E1E41.BFS (storage pool KPB.FILE), Moved Files: 4850, Moved Bytes: 2,952 GB, Deduplicated Bytes: 0 bytes, Unreadable Files: 0, Unreadable Bytes: 0 bytes. Current Physical File (bytes): 2,143 MB Waiting for access to input volume /sppool/kpb1/000E1E41.BFS (40222 seconds). Current output volume(s): H25933.

When this happened, we have to cancel such processes to free up the drives in order for migration to move on. We would like to implement a timeout so that the migration can skip the file being occupied when reaches the timeout and move on to the next. Please see case TS008689975 for detail.

Idea priority High
  • Admin
    Juan Carlos Jimenez Fuentes
    Reply
    |     Mar 25, 2022

    IBM has evaluated the request, and has determined that it can not be implemented at this time or does not align with the current multi-year strategy. 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.


    The team's recommendation is to consider using a directory container storage pool. There are numerous advantages to this, some of which are:

      1. Deduplication of data

      2. Elimination of "volume" semantics and needing to have mount points or other logical resources

      3. Migration is replaced with storage rules for tiering and can accomplish the same goals as what they are achieving with migration within their existing architecture.

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