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Status Submitted
Workspace Storage Protect Family
Categories Spectrum Protect (Backup-Archive Client)
Created by Guest
Created on Feb 18, 2026

RELATED IDEAS

Files with only ctime changes treated as unchanged by Storage Protect, creating a mismatch in mmbackup’s summary. Adding the unchanged count into Storage Protect and mmbackup’s comparison prevent “skipped files” messages.

mmbackup builds its candidates files if there is just change in ctime. However, some files may have a modified ctime even when no metadata or data changes have actually occurred.
For such files, if the IBM Storage Protect server already has the latest copy, then the IBM Storage Protect B/A Client (dsmc) classifies them as unchanged during the subsequent incremental backup.

During summary generation, mmbackup currently compares:
(mmbackup candidates)  vs.  (Backed up + Updated by dsmc)

Because unchanged files are not included in the “backup” or “update” counts, the total from dsmc can be smaller than the number of candidates found by mmbackup.
This leads to “skipped files” messages, even though IBM Storage Protect handled the files correctly.
To resolve this, it would be good to add the unchanged files count to the dsmc summary and including it in the mmbackup logic. The comparison will then be:
Backed up + Updated + Unchanged

This ensures that unchanged-but-valid files are accounted for, preventing  “skipped” messages in the summary.

Idea priority Medium

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