OPS - Confirm whether /backup, /mnt/backup/db-backup and /mnt/backup/scripts are one filesystem and dedupe SCOM monitoring

[OPS-O-001] OPS - Remove duplicate SCOM disk monitors on opsdt-p-db-01 backup mount points

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AI Notes - managed by Claude

Synced from the Cowork open-items register on 2026-08-18.
Source: OpsData/Knowledge Base/open-items.md - section 1b. Open risks raised by IM-1-13069204966 (opsdt-p-db-01 recurring disk-space alert)
Code: OPS-O-001

🟠 The `df -h` output reports all three mount points with **identical** figures — 120G size,
90G used, 31G available, 75% used — which is the signature of bind mounts (or three mounts of
the same logical volume), not three independent volumes. SCOM monitors each mount point
separately, so a single filesystem filling up generates three Warning alerts, three notification
emails and (per the mail thread) three incident tickets on every occurrence.
**To confirm:** `findmnt` / `lsblk` on the host to establish the backing device for each mount.
**Fix if confirmed:** request SCOM monitoring on one canonical mount point only, or an override
suppressing the two duplicates.
**Owner:** Carlos (UNGSC AOM DS), with OICT SCOM team for the monitor change.
**Matters because:** it triples the ticket load for every disk event on this host and makes the
alert history unreadable — the 14 State Change Events since 08/08 are really ~5 distinct events.

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OPS - Confirm whether /backup, /mnt/backup/db-backup and /mnt/backup/scripts are one filesystem and dedupe SCOM monitoring
Assign to Carlos Rodrigo - AOM DS

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