On Sun, 30 Dec 2007, John Summerfield wrote: > Robert P. J. Day wrote: ... snip ... > > can i assume that, as long as nothing is open for write, the > > read-only remount should work? is there any other reason that i > > would be told that the device is busy. put another way, if i run > > the above command and don't see an "F", should the remount always > > work? > Add ro to the mount options in /etc/fstab and see what complains. but that wasn't the question. again, if i try to, in one operation, remount a filesystem readonly with "mount -o remount,ro", is the only possible reason that remount could fail is if something on that filesystem is open for writing, which would show up in the output of "fuser -muv"? or is it possible that that remount could fail because of "device busy" and i run that fuser command and i don't see anything marked with "F", which means there's another reason for the remount failure, and what might that be? i guess i could just download and RTFS. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA Home page: http://crashcourse.ca Fedora Cookbook: http://crashcourse.ca/wiki/index.php/Fedora_Cookbook ========================================================================