infra/stacks/monitoring/modules
Viktor Barzin ca2680c189 fix(post-mortem): add NFSHighRPCRetransmissions alert + migrate alertmanager to proxmox-lvm-encrypted [PM-2026-04-14]
- Add PrometheusRule: NFSHighRPCRetransmissions fires when node_nfs_rpc_retransmissions_total
  rate exceeds 5/s for 5m — catches NFS server degradation before pod failures cascade
- Migrate alertmanager PV from NFS (192.168.1.127:/srv/nfs/alertmanager) to proxmox-lvm-encrypted
  eliminating the circular dependency where alertmanager couldn't alert about NFS failures
- Set force_update=true on prometheus helm_release to handle StatefulSet volumeClaimTemplate changes

Co-Authored-By: postmortem-todo-resolver <noreply@anthropic.com>
2026-04-14 18:05:33 +00:00
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monitoring fix(post-mortem): add NFSHighRPCRetransmissions alert + migrate alertmanager to proxmox-lvm-encrypted [PM-2026-04-14] 2026-04-14 18:05:33 +00:00