| Entry | Type | Description | |-------|------|-------------| | PSOD | Purple Diagnostic Screen | ESXi’s kernel panic. Often memory or driver. Reboot required. | | Invalid memory access | vmx Fault | Guest tried to write to protected host memory. Often a sign of malware. | | LOCK_EX | VMFS Lock Contention | Two hosts fighting for the same VMDK. Disable HA if risky. | | Timeout on world 12345 | Scheduler Stall | vCPU waiting too long for physical core. Check CPU ready %. | | Failed to power on: File not found | Missing VMDK | Someone deleted a delta. Pray for backups. |
Ensuring that only supported and tested release dates are deployed. File Indexing for Backup and Recovery index of vmware
To get the most out of the VMware Index, organizations should follow best practices, including: | | Invalid memory access | vmx Fault
| Entry | Type | Description | |-------|------|-------------| | VMFS | Cluster FS | The blunt instrument. LUNs formatted into lockable extents. | | vSAN | SDS Layer | Converged storage from local SSDs. Witnesses, components, and policy. | | RDM | Raw Device Mapping | Dangerous. Passes a LUN directly to the guest. No snapshots. No mercy. | | Thick Lazy Zeroed | Provisioning | Reserved space, old zeros. Fast create, slow first write. | | Thick Eager Zeroed | Provisioning | Reserved space, clean zeros. Slow create, fast cluster ops. | | Thin | Provisioning | Lies. Grows with writes. Until it doesn’t. Monitor free space. | | SEsparse | Snapshot Format | Delta chain for VMFS5+. Legacy. Fragile under heavy random I/O. | Disable HA if risky
Within that index, a "piece" generally refers to one of the following:
| Entry | Type | Description | |-------|------|-------------| | vMotion | Live Migration | Moves a running VM. Memory, CPU, and state. Network stays alive. | | Storage vMotion | Disk Migration | Moves VMDKs while VM runs. Changes datastore without reboot. | | Long Distance vMotion | Latency-Tolerant | Cross-subnet, high RTT. Requires vSphere 6.5+ and patience. | | Shared Nothing | Hybrid | Both compute and storage move together. No shared storage required. |