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docs(disk-gc): clarify GC schedule applies to PBS datastore only
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The 20:00 UTC PBS GC cron (proxmox-backup-manager datastore prune)
applies only to /tank/pbs-backup (pbs-datastore). It does NOT touch
media volumes (/media/*) which are report-only at all threat levels.

This clarification prevents the recurring confusion where a 96% media
volume triggers a GC expectation, when the GC schedule never applies
to it.

Closes the 2026-09-17 correction: 'the GC schedule is now 20:00 UTC,
protects the backup datastore, NOT the nearly-full media volume.'
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2026-09-18 05:22:57 +00:00
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disk-gc-threat-response.prose.md
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@@ -228,6 +228,14 @@ call summary-reporter
plan: plan plan: plan
``` ```
## GC SCHEDULE (PBS datastore only)
The PBS GC schedule `0 20 * * *` (20:00 UTC) applies **only** to the PBS datastore
(`/tank/pbs-backup` on storepve), NOT to media volumes. Media volumes (/media/*) are
report-only at all threat levels. The cron job runs `proxmox-backup-manager datastore
prune --datastore storepve-datastore --keep-daily 35` which only affects the PBS
datastore; it does not touch media volumes or any other filesystem.
## GC Strategies by Host Type ## GC Strategies by Host Type
### Docker Hosts (kagentz 105, syslog-api 116, docker-vm 109, amdpve .15) ### Docker Hosts (kagentz 105, syslog-api 116, docker-vm 109, amdpve .15)