[SASAG] Uncompress NTFS Volume

Nick Webb webbn at acm.org
Sun Sep 27 11:44:48 PDT 2009


I'm not quite sure how this happened, but on one of our File Servers a
2 TB volume is set "Compress this drive to save disk space" (Windows
2008 64-bit).  I really want to un-check that box, but am scared of
bad things happening.  Has anyone ever had a compressed drive,
especially something in the range of 2TB, and uncompressed it without
problems?  I know it may crawl for a day, but other than that?

I read somewhere that Windows will set the drive to compress when disk
space runs very low, so that's perhaps what happened.  I did verify
that the uncompressed file size is much smaller than the available
space, so from that perspective we are good (350GB free).

Thanks,
Nick



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