UNGSC: [SCOM] Server: unosm-r-data-01.global.un.org | Drive / | SOP - Linux

UNGSC: [SCOM] Server: unosm-r-data-01.global.un.org | Drive / | SOP - Linux - Logical Disk % Free Space (1)

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**2026-06-02 - Resolved by Carlos**

SCOM disk alert on root (/) of unosm-r-data-01. By the time of investigation, disk was already at 74% (recovered from 95% overnight, cause unknown).

**Fix applied:** Pruned unused podman images as \_osmprod:

```
runuser -l _osmprod -s /bin/bash -c "podman image prune -a -f"
```

Freed 8.4GB (6 unused images removed). Root: 74% -> 62% (44G/71G, 27G free).

**Root cause:** Stale podman images accumulating in /home/\_osmprod/.local/share/containers/ over time. The ogr2ogr export pipeline runs inside rootless podman containers as \_osmprod with no concurrency guard - each cron run spawns new containers without checking if prior runs are still alive. Old images are never pruned automatically.

**Secondary finding:** 8 ogr2ogr processes running 4-28 days hold 88.5GB of deleted .gdb file handles on /data (500G volume, 247G free) - not on root, not a disk concern right now. Pipeline has no flock/lock mechanism.

**Pending:** Notify Zeeshan Khan to add concurrency guard (flock or lockfile) to the export cron to prevent image accumulation recurring.

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OSM - UNGSC: [SCOM] Server: unosm-r-data-01.global.un.org | Drive / | SOP - Linux - Logical Disk % Free Space (1)
Assign to Carlos Rodrigo - AOM DS

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