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VDS_S_DEFAULT_PLEX_MEMBER_IDS
This success code is about topology identifiers, not disk discovery. VDS models a volume as one or more plexes and each plex as members or extents. When imported or reconstructed metadata does not provide explicit member or plex IDs in the expected form, VDS can continue using defaults. The resulting topology can still be usable, but a diagnostic tool must not assume that original identifiers were preserved verbatim.
Why this state matters
Requery the volume and enumerate its plexes after the operation. Use current VDS object GUIDs, plex properties, member ordering, and extent locations as the authoritative topology. If software keeps a private mapping from old identifiers to disks, verify that mapping before issuing repair or remove-plex operations. A successful defaulting warning is specifically a reason to refresh cached identity data.
Diagnostic focus
- Enumerate the current plexes and record their VDS object identifiers after the operation.
- Capture member order and extent locations instead of relying on previously stored numeric IDs.
- Refresh application-side caches that key topology by plex or member identifier.
- Before repair or remove operations, resolve the current VDS object rather than replaying an old ID.
Technical references
MS-VDS error codes · VDS Volume Object · VDS_VOLUME_PLEX_PROP · IVdsVolume · IVdsVolumePlex::Repair
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