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STATUS_VOLMGR_PLEX_IN_SYNC
The mirror copy is already current and needs no regeneration
STATUS_VOLMGR_PLEX_IN_SYNC reports that the specified plex already matches the other active plexes. A regeneration request is unnecessary for this complete copy of the volume.
The code is plex-scoped, whereas STATUS_VOLMGR_MEMBER_IN_SYNC refers to a member position. Microsoft defines a volume plex as a complete data copy and describes mirror recovery as resynchronizing plexes; that distinction matters when diagnosing a complex parity or mirror topology.
Check the state transition observed by the caller. A repair scheduler can submit redundant work if it reacts to an old degraded event after the plex has already finished rebuilding and returned to a healthy state.
What to inspect
- Read current plex health and rebuild state before queuing another resynchronization.
- Correlate the plex identifier with completion notifications from the previous recovery task.
- If only part of the volume remains degraded, identify the specific member or plex still unhealthy instead of regenerating this synchronized copy.
References
- Microsoft VOLMGR entry for STATUS_VOLMGR_PLEX_IN_SYNC.
- MS-DMRP definition of a volume plex.
- MS-VDS recovery operation that resynchronizes mirrored volumes.
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