Re: cant i mount fixed drive with write access??
Hi,
On 10/12/07, Mike Bird <mgb@yosemite.net> wrote:
> On Friday 12 October 2007 00:32, P Kapat wrote:
> > I have been banging my head for quite a few hours now. Can't I mount a
> > fixed (internal SATA) drive with write access as a normal user? Here
> > is the relevant line from fstab:
> >
> > /dev/sdb1 /media/backup ext3 user,noauto,rw 0 0
> >
> > $ ls -l /media/backup
> > drwxrwxrwx 3 root root 4096 2007-10-12 03:12 /media/backup
> >
> > $ mount /dev/sdb1
> > $ ls -l /media/backup
> > drwxr-xr-x 3 root root 4096 2007-10-12 03:12 /media/backup
> >
> > Why am I loosing the write access??
>
> You are (probably) not losing the write access, as a cat
> of /proc/mounts will (probably) show you.
>
> Before the mount /media/backup (probably) refers to the
> /media/backup directory of the root filesystem. After the
> mount /media/backup refers to the root directory of the
> /dev/sdb1 filesystem.
Thanks a ton for the explanation mate.
> Although you (probably) have write access to the /dev/sdb1
> partition, you do not have write access to the root directory
> of the /dev/sdb1 filesystem. You may or may not have write
> access to other directories or files in the /dev/sdb1
> filesystem. It is similar to the way that user foo typically
> has no write access to the / directory but does have write
> access to the /home/foo directory.
Precisely. I have been thinking how does it work? Now I know!
> A first step would be, after the mount, to either chmod or
> chown /media/backup (or both). Like any other change to the
> /dev/sdb1 filesystem, this is stored in the filesystem. If
> you umount and mount the filesystem the change will still be
> there, so the change only ever needs to be done once.
Great. Thanks for that. I should remember this now!
>
> --Mike Bird
--
Regards
PK
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