Can you run ncdu (or just plain `du`, though I find the ncurses version much more useful) on the drive and see if there is anything obvious?
Moshe -- Moshe Katz mmk...@umd.edu (301) 867-3732 <http://stackexchange.com/users/440421> On Tue, Nov 17, 2020 at 4:09 PM <linux-au...@terrier.ampexguy.com> wrote: > I wonder if anyone can shed light on the following. > > Background: > > My desktop system has a 2 TB hard drive installed that df says is 85% > full. For several years I've had a 2 TB USB hard drive I've used for > backup. My sophisticated backup method employs "cp -a -R" and whatever > needs to follow that. (<== That's a joke about it being > sophisticated.) It has worked fine for me. > > Since the 2 TB USB drive is also pretty full, I recently ordered a 5 > TB drive. When I plugged it in and tried to mount it, mount identified > it as > > /dev/sdf1 on /run/media/howard/Elements type fuseblk [etc.] > > To my surprise I could write to and read from that filesystem type, so > I didn't reformat it as ext3, chiefly because I thought maybe that way > it would be compatible with a Windows 7 laptop I inherited when a > friend died. > > At that point I did the following in a shell window: > > su root > cd / > cp -a -R * /run/media/howard/Elements > > The intended effect was to copy all of the 2 TB drive in the desktop > system to the 5 TB USB drive. About 36 hrs. later it was still > running, with only about 500 GB of space left on the 5 TB USB drive. > So, obviously, it copied something waaaay more than once. > > l /run/media/howard/Elements doesn't show anything unexpected. So does > anyone have any idea what happened? > > Thanks. > > Howard > > You received this email because you are subscribed to the UM Linux User's > Group (UM-LINUX) mailing list. If you would like to unsubscribe from this > list, simply send an email to lists...@listserv.umd.edu with the message > signoff UM-LINUX in the body. > You received this email because you are subscribed to the UM Linux User's Group (UM-LINUX) mailing list. If you would like to unsubscribe from this list, simply send an email to lists...@listserv.umd.edu with the message signoff UM-LINUX in the body.