What does NTSTATUS 0xC01A0021 (STATUS_LOG_ARCHIVE_IN_PROGRESS) mean?

 
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STATUS_LOG_ARCHIVE_NOT_IN_PROGRESS STATUS_LOG_EPHEMERAL

STATUS_LOG_ARCHIVE_IN_PROGRESS

STATUS_LOG_ARCHIVE_IN_PROGRESS means CLFS already has archive processing underway for the relevant log. Archive handling is not a passive file copy: CLFS exposes an archive view and tracks archive-tail state so retained history can later be reclaimed safely.

The correct response is to identify the existing archive owner and its context. Starting a second archive sequence or advancing a tail independently can lose the ordering relationship between copied extents and retained log data.

What to inspect

  • Identify the process or service holding the active archive context and whether it is making progress through the expected extents.
  • Wait for or deliberately terminate the existing archive lifecycle through the owning component; do not use parallel archive operations as a retry mechanism.
  • Record the archive-tail LSN before and after completion to verify that retained history can be reclaimed only after the intended archive succeeds.

References


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