umount them manually.
Here is a snap of #mount for the same drive plugged in 4 times.
Code: Select all
/dev/sdc1 on /media/disk-1 type vfat (rw,nosuid,nodev,uhelper=hal,shortname=mixed,uid=1000,utf8,umask=077,flush)
/dev/scd1 on /media/cdrom1 type iso9660 (ro,nosuid,nodev,utf8,user=jason)
/dev/sdd1 on /media/disk-2 type vfat (rw,nosuid,nodev,uhelper=hal,shortname=mixed,uid=1000,utf8,umask=077,flush)
/dev/sde1 on /media/disk-3 type vfat (rw,nosuid,nodev,uhelper=hal,shortname=mixed,uid=1000,utf8,umask=077,flush)
/dev/sdf1 on /media/disk-4 type vfat (rw,nosuid,nodev,uhelper=hal,shortname=mixed,uid=1000,utf8,umask=077,flush)
lrwxrwxrwx 1 root root 20 2008-05-28 16:26 umount.hal -> /usr/sbin/umount.hal