Dedup and Chunk Store is Huge!

Posted by robd on September 21, 2018
powershell, Server 2012

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:

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:

Tags: ,

1 Comment to Dedup and Chunk Store is Huge!

  • Checked Scheduled Tasks… There should be an automatic garbage collection job running periodically. Of course, if you’ve just deleted a bunch of stuff and the job hasn’t run yet…

Leave a Reply

Your email address will not be published.

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Copy Protected by Chetan's WP-Copyprotect.