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STATUS_VOLSNAP_HIBERNATE_READY
This is a completion marker in the hibernation preparation path
STATUS_VOLSNAP_HIBERNATE_READY is an informational success-class status, not a failure code. Its value marks the point at which the Volume Shadow Copy component has completed the preparation represented by the hibernation path and the system can continue with hibernation.
VSS as a platform coordinates requesters, writers and providers so storage state can be made consistent around snapshot operations. VolSnap is a lower Windows volume-shadow-copy component, and a trace can contain status values that describe progress through its internal lifecycle. Seeing this status by itself should not be reported as the cause of a failed hibernation.
Use it as a timeline marker. If hibernation still fails, look earlier for the first unsuccessful status, storage timeout, writer/provider problem, or volume event. Filtering logs only for strings that contain “VOLSNAP” can accidentally promote this successful state to an error.
What to inspect
- The NTSTATUS severity and chronological events before this marker.
- VolSnap, VSS, storage and hibernation events that occur before the system declares readiness.
- Whether the system proceeds beyond this marker or a later independent component stops the transition.
References
- Microsoft: Volume Shadow Copy Service
- Microsoft: VSS_SNAPSHOT_CONTEXT
- Microsoft Open Specifications: NTSTATUS values
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