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vCenter Server Unavailable — Management Plane Down
The vCenter Server Appliance (VCSA) becomes unresponsive due to a database corruption in the embedded PostgreSQL. All management operations are impossible. VMs continue running but no changes, migrations, or monitoring can occur.
Pattern
VMWARE_EVENT
Severity
CRITICAL
Confidence
92%
Remediation
Remote Hands
Test Results
| Metric | Expected | Actual | Result |
|---|---|---|---|
| Pattern Recognition | VMWARE_EVENT | VMWARE_EVENT | |
| Severity Assessment | CRITICAL | CRITICAL | |
| Incident Correlation | Yes | 22 linked | |
| Cascade Escalation | N/A | No | |
| Remediation | — | Remote Hands — Corax contacts on-site support via call, email, or API |
Scenario Conditions
Single vCenter Server Appliance (VCSA 8.0). 6 ESXi hosts managed. 150 VMs. Embedded PostgreSQL database corrupted after storage latency spike. vSphere Client inaccessible. No backup VCSA.
Injected Error Messages (2)
VMware vCenter Server Appliance unreachable — VCSA service vpxd crashed, embedded PostgreSQL database corruption detected, /var/log/vmware/vpxd/vpxd.log: FATAL: database 'VCDB' is in recovery mode, all vSphere management operations unavailable
vSphere Client returning HTTP 503 — vCenter web management inaccessible, vpxd service not responding, cannot manage ESXi hosts, vMotion/DRS/HA reconfiguration impossible, VMs running but unmanaged
Neural Engine Root Cause Analysis
The VMware vCenter Server vpxd service has crashed due to embedded PostgreSQL database corruption, specifically the VCDB database is stuck in recovery mode. This is preventing all vSphere management operations and making the vCenter appliance completely unreachable. The database corruption is likely the primary failure point that triggered the vpxd service crash, and with 8 correlated incidents in the same timeframe, this suggests a cascading failure affecting multiple dependent systems.
Remediation Plan
1. Attempt to restart the PostgreSQL database service and vpxd service on the VCSA appliance. 2. If restart fails, check database integrity using PostgreSQL recovery tools and attempt automatic recovery. 3. If automatic recovery fails, restore the VCDB database from the most recent backup. 4. Verify all vCenter services are running properly after database restoration. 5. Test vSphere management operations to ensure full functionality. 6. Monitor for any recurring database issues and consider underlying storage health check.
Tested: 2026-03-30Monitors: 2 | Incidents: 2Test ID: cmncjgtu301cbobqejx9dn31n