remounting ro -> rw does not work remounting rw -> ro works
root@ago-laptop:~# mount -o rw /dev/sdb1 /mnt root@ago-laptop:~# touch /mnt/trasg root@ago-laptop:~# mount -o remount,ro /mnt root@ago-laptop:~# touch /mnt/trasgs touch: cannot touch `/mnt/trasgs': Read-only file system
remounting ro -> rw does not work
remounting rw -> ro works
root@ago-laptop:~# mount -o rw /dev/sdb1 /mnt
root@ago-laptop:~# touch /mnt/trasg
root@ago-laptop:~# mount -o remount,ro /mnt
root@ago-laptop:~# touch /mnt/trasgs
touch: cannot touch `/mnt/trasgs': Read-only file system