Is there a command or technique to indicate if dedup has traversed the entire volume?
We have a number of volumes that had sis enabled after it contained data and has only been run on data that was added after. It would be nice to know if a volume hasn't had deduplication run against all the blocks. I would like to ultimately produce a report using dfm as the where we might be able to save additional space, approximately 1000 volumes.
Thanks Agumadavalli, SIS is and has been running for a few months in some instances but when some admins enabled they didn't run it against the entire volume to my understanding it only runs against new/changed data in the volume and not against every block until the scan entire volume is selected (aka sis start -s). Unless I am missing something df -S only indicates what the compresssion savings are, I can't tell if it has run against every block in the volume.
Re: Can you tell if dedup has run on the entire volume?
Thanks Thiago, this has pretty much been my conclusion as well but I would think something should be available or a technique to have a good indication. At this point I just flip through the enabled volumes and if they aren't getting at least 10% I use the Oncommand system manager and tell it to scan the entire volume. I can only do this for about 4-5 volumes max at a time.