Found a drive was running low on space today and on closer inspection with tree size I found that ChunkStore (brilliant name) was taking up the drive space:
Odd as it looks as dedup wasn’t working:
To fix it I ran the following PowerShell:
start-dedupjob -Volume <VolumeLetter> -Type GarbageCollection start-dedupjob -Volume <VolumeLetter> -Type DataScrubbing
What does this do I hear you say, Garbage collection is the process to remove “data chunks” that are no longer referenced i.e. to remove references to deleted files and folders. This process deleted content to free up additional space. Data scrubbing checks integrity and validate the checksum data.
To monitor it I ran:
This seems to have fixed it for me: