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ERROR_VOLSNAP_HIBERNATE_READY
Volume Shadow Copy preparation has reached the state required for hibernation.
ERROR_VOLSNAP_HIBERNATE_READY identifies this condition: The volume snapshot stack uses this informational result to signal that snapshot-related work is ready for the system hibernation transition. It is part of coordination between storage filters, VSS, and power management.
Where the result appears
- hibernation preparation on systems using volume snapshots.
- storage-filter power callbacks.
- VSS-aware backup products.
- diagnostics of hibernation delays involving snapshot providers.
What to collect
- volume identities and snapshot set IDs.
- VSS writer and provider state.
- power-transition timestamp.
- filter-driver stack and pending I/O count.
Handling and recovery
Allow the power transition to continue after all participating components report readiness. Backup or filter software must release transient resources and avoid starting new snapshot work after the hibernation boundary has been established.
Common misinterpretation
This code is not a guarantee that the machine has already hibernated or that every VSS writer is healthy. It marks one storage-stage milestone.
References
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