On Tue, Oct 07, 2014 at 03:18:37PM -0700, John R Pierce wrote: > On 10/7/2014 3:13 PM, Fred Smith wrote: > >I've got a usb HD mounted, and it has been mounted since the weekend, and > >has been kept busy during that period. > > > >now I"m done with it an want to umount it, but neither umount nor the > >on-screen icon (when right-clicked) will let me do it: > > > >it is /dev/sdd1, mounted as /media/seagateusb. when root tries to > >umount it we get this: > > > ># umount /media/seagateusb > >umount: /media/seagateusb: device is busy. > > (In some cases useful info about processes that use > > the device is found by lsof(8) or fuser(1)) > > > >lsof | grep sdd1 gives this: > > > >$ lsof | grep sdd1 > > > >jbd2/sdd1 26358 root cwd DIR 253,1 4096 2 / > >jbd2/sdd1 26358 root rtd DIR 253,1 4096 2 / > >jbd2/sdd1 26358 root txt unknown /proc/26358/exe > > > > whats process 26358? > > ps -fwp 26358 > > will show you this... here's the result of your PS command, but I personally do not find it to be the least bit enlightening. perhaps you will...: # ps -fwp 26358 UID PID PPID C STIME TTY TIME CMD root 26358 2 0 Oct04 ? 00:01:14 [jbd2/sdd1-8] -- ---- Fred Smith -- fredex at fcshome.stoneham.ma.us ----------------------------- I can do all things through Christ who strengthens me. ------------------------------ Philippians 4:13 -------------------------------