infra/modules
Viktor Barzin ea18116da9 fix: NFS outage recovery — migrate to NFSv4, add alerting
NFS server restart broke NFSv3 (lockd kernel bug on PVE 6.14).
All 52 NFS PVs patched to nfsvers=4, NFSv3 disabled on PVE.

Changes:
- nfs_volume module: add nfsvers=4 mount option
- nfs-csi StorageClass: add nfsvers=4 mount option
- dbaas: MySQL serverInstances 3→1, mysql-native-password=ON
- monitoring: add NFSCSINodeDown and NFSMountFailures alerts

[ci skip]

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-14 10:28:27 +00:00
..
create-template-vm Reduce disk write amplification across cluster (~200-350 GB/day savings) [ci skip] 2026-04-09 19:01:21 +00:00
create-vm Reduce disk write amplification across cluster (~200-350 GB/day savings) [ci skip] 2026-04-09 19:01:21 +00:00
docker-registry registry: set proxy TTL to 0 to prevent stale :latest images 2026-03-30 00:02:48 +03:00
kubernetes fix: NFS outage recovery — migrate to NFSv4, add alerting 2026-04-14 10:28:27 +00:00