On Tue, Oct 07, 2014 at 07:37:25PM -0400, Fred Smith wrote: > On Tue, Oct 07, 2014 at 06:46:17PM -0400, m.roth at 5-cent.us wrote: > > Fred Smith wrote: > > > On Tue, Oct 07, 2014 at 06:19:00PM -0400, m.roth at 5-cent.us wrote: > > >> 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: > > >> <snip> > > >> It's under control of autofs. You can open the GUI file manager, and do > > >> a safely remove/eject. > > >> > > >> Or you can stop autofs for a minute, and then umount it. > > > > > > actually, no I can't. if I right-click on seagateusb and click unmount, I > > > get an error box saying "Unable to unmount seagateusb. Cannot unmount > > > because file system on device is busy." > > <snip> > > Ok, try lsof /media/seagateusb - that may tell you what's holding it. > > > > Did you try service autofs stop? > > yes, made no difference. > > another responder suggests it is journalling block device daemon/ > thread/whatever holding the device. looking into that as we speak Got tired of fooling with it and did a "umount -l" which immediately released the drive. probably left some jbd2 thread hanging loose, but at this point I"m not too concerned. thanks for the suggestions! -- ---- Fred Smith -- fredex at fcshome.stoneham.ma.us ----------------------------- But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. ------------------------------- Romans 5:8 (niv) ------------------------------