What about a "Safely Remove Hardware"-style icon on your desktop, which could simply run a script to unmount (with force if the user has it open somewhere).
-Patrick On 20/03/2008, Roland Smith <[EMAIL PROTECTED]> wrote: > On Thu, Mar 20, 2008 at 11:55:32AM +1000, Da Rock wrote: > > I'm just looking into the removable device issue for freebsd. I can see > > its easy enough to auto mount a removable device (although I could use > > some help getting sd/xd devices working with my card reader), but the > > removal seems to come unstuck. > > > > I have some barely literates on my systems, so I do need to work this > > out. Is it possible to use a forced umount to do this? What are the > > options here? > > > In short, no. Removal of a USB device would be forwarded to devd(8). But > since the device is no longer there at that moment, you cannot unmount > it anymore. You might get a nice kernel panic for your efforts, though. ;-) > > The FreeBSD disk subsystem was simple not written with removable devices > in mind, because they didn't exist back then. Until that code is fixed > (which is hard) you _have_ to unmount before you pull the device out. > > One (not bullet-proof) workaround might be to use the automounter > [amd(8)], and have it unmount very quickly after they stop being > active. This requires setting both the 'cache_duration' and > 'dismount_interval' options in amd.conf(5) to very low values. > > Roland > > -- > R.F.Smith http://www.xs4all.nl/~rsmith/ > [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] > pgp: 1A2B 477F 9970 BA3C 2914 B7CE 1277 EFB0 C321 A725 (KeyID: C321A725) > > _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"