On Mon, Mar 19, 2007 at 12:23:48PM +0900, Mr.Suhas Ghosh wrote:
> I am using Debian Sarge. My root file system is read only.
> Now after login I am getting a error like this:
> Unable to change tty /dev/tty1 : Read Only file System.
> Though it successfully login.
> Can you please suggest me how to get relief from this message.
Hi Suhas,
Please clarify: is it your intention that your root filesystem be
readonly or that the boot process is failing before the root filesystem
is remounted rw after a successful fsck?
First, look at the kernel bootargs. There _should_ be one ro which
tells the kernel to start with it ro, then an init script
(S10checkroot.sh) remounts it rw after the successful fsck. Also,
/etc/fstab should have a line like (on my sarge box):
/dev/hda5 / ext3 errors=remount-ro 0 1
Second, boot single mode (kernel boot args: single [actually, this
argument gets passed to init]). Boot should progress and you should
boot into single user mode (it will ask you for the root password).
If this doesn't fix the problem, boot with the argument init=/bin/sh
which bypasses all the sysvinit stuff and spits you to a shell. If you
enter
#mount
you should see that / is mounted ro
#cd /etc/rcS.d
# ls
These are all the scripts that get run for all boots.
for each script, run it with the argument start, e.g.
#./S02mountvirtfs start
and watch for errors.
After S10checkroot.sh, you should find that / is mounted rw.
If not, you should have some error messages to give us.
Good luck,
Doug.
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