Did you read the first answer in the link provided? https://social.technet.microsoft.com/Forums/en-US/fa6f6329-f710-4c5e-9538-942045df68a3/windows-server-2012-with-deduplication-show-wrong-size-on-disk?forum=winserver8gen
Hint: It's not reporting the dedupe size... From: [email protected] [mailto:[email protected]] On Behalf Of J- P Sent: Friday, 31 October 2014 5:31 AM To: NT Subject: RE: [NTSysADM] Size on Disk HUGE discrepancy yes I do have dedupe enabled, however, since this is the ONLY directory that holds those images,(there are no other copies of these images) the dedup shouldn't be a factor, should it? or am I missing something else > Date: Thu, 30 Oct 2014 11:24:11 -0700 > Subject: Re: [NTSysADM] Size on Disk HUGE discrepancy > From: [email protected]<mailto:[email protected]> > To: [email protected]<mailto:[email protected]> > > I'm going to bet you have deduplication turned on. If so, this is a known > um...issue. Do an Internet search on "deduplication size mismatch" or some > such thing. > > I ran into this just two weeks ago, and it was 2012R2 dedupe that was the > "culprit". > > If you don't have dedupe on, then I don't know what it might be. > > Dave > > > Hi all, > > > > this may seem trivial ,however, this particular situation has me > > concerned; > > > > We have a photo archive that's been around for about 15 years- it started > > on a 2k server, moved to a 2003,2008 and now its on a 2012r2 server. > > > > I know the norm is that the "size on disk" would be a bit bigger than > > "size" due to file system, cluster size etc.. > > but in this case its the reverse, and by A LOT, and NO, compression is not > > enabled > > > > The directory 112 Gb, and contains 20,029 files and 414 folders, now size > > on disk only reports 26.3 MB (27,607,040 bytes) thats MEGS, NOT GIGS > > > > Is this something to be alarmed with? > > > > > > > > > > > > > >
