[Bio-Linux] chown problems?

[Gary Barker]

Is the external drive formatted as ext3, FAT, NTFS? Would the latter two formats present file permission problems?

Gary

Gary Barker PhD Bioinfomatician
University of Bristol UK.

"Jose A. Andres" <jaa53 at cornell.edu> wrote:
__________
>Hi All!
>
>I've decided to mount an external hard drive on our bio-linux machine so
>everyone can store there their raw data (mostly traces)
>
>I already done that (/media/usbdrive)  the /etc/fstab line looks like
>
>/dev/sdd1       /media/usbdrive auto    rw,user,auto     0      0
>
>There only one partition of the drive and on it I made a data-storage
>directory with 5 different subdirectories for the users...
>
>(ls -l on /media/usbdrive/data-storage/
>total 160
>drwxr-xr-x  3 manager manager 32768 2006-05-09 16:19 user1
>drwxr-xr-x  2 manager manager 32768 2006-05-09 16:18 user2
>drwxr-xr-x  2 manager manager 32768 2006-05-09 16:18 user3
>drwxr-xr-x  2 manager manager 32768 2006-05-09 16:18 user4
>drwxr-xr-x  2 manager manager 32768 2006-05-09 16:18 user5
>
>As you see manager is both the owner and the group. I 've tried to change
>this  (log as manager) using Konkeror and sudo chown
>e.g. sudo chown user1 /media/usbdrive/data-storage/user1
>
>but I got the following error
>chown: changing ownership of `/media/usbdrive/data-storage/user1':
>Operation not permitted
>
>That's also true even if I log on as root!!
>
>Any ideas on how to change the onwership of the files?
>
>Thanks!
>
>/Jose
>
>
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