Re: Accessing partitions as user

> I want to be able to access my extra hard drive partitions as user so I
> can back things up, or whatever else I want to so. I am running a
> standalone workstation.
>
> I have a partition on my primary hard drive. I have two partitions on a
> USB hard drive.
> When I connect the USB, or boot with it connected I have an icon on the
> Desktop for each partition. I can as user mount the drives and then
> access the data on as read only. I can copy data from the mounted drive.
>
> I can store files on the mounted drive as SuperUser and then delete
> them. I dismounted the drives and then as SU ran the following session:
>
>

> [root@localhost ~]# mount -t ext3 -o uid=501,gid=501 /dev/sda1
> /home/koder/Desktop/sda1
> mount: wrong fs type, bad option, bad superblock on /dev/sda1,
>        missing codepage or other error
>        In some cases useful info is found in syslog - try
>        dmesg | tail  or so

>
> [root@localhost ~]# dmesg | tail
> ide: failed opcode was: 0xb0
> hde: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
> hde: drive_cmd: error=0x04 { DriveStatusError }
> ide: failed opcode was: 0xb0
> eth0: no IPv6 routers present
> kjournald starting. Commit interval 5 seconds
> EXT3 FS on sda1, internal journal
> EXT3-fs: mounted filesystem with ordered data mode.
> SELinux: initialized (dev sda1, type ext3), uses xattr
> EXT3-fs: Unrecognized mount option "uid=501" or missing value

The ext3 fs doesn't support the uid option. That option is needed
on filesystems, like FAT, that don't have the notion file ownership.

On ext3, if you want a user to be able to access individual files
and directories, you have to use the normal UNIX permission system.
To be able to create/remove files in/from a directory, make sure
that the directory is owned by the appropriate user and that the
user 'w' bit is set in the permissions. Similarly set the permissions
in order to be able to update individual files.

-Dale
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