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Check NixOS configurations / eval-hosts (push) Successful in 10m23s
failover.sh: graceful active→standby resource migration with pre-checks (DRBD UpToDate/UpToDate, quorum), spinner wait for XFS mount on target, rollback on timeout, --to/--force/--dry-run/--timeout flags. health.sh: read-only status panel — node reachability, quorum, DRBD role/dstate/cs per node, Pacemaker resources, failure history, XFS mount usage, and service port checks (NFS 2049, iSCSI 3260) via VIP. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>