On Jul 14, 2012 6:48 AM, "Joseph" <syscon780@gmail.com> wrote:
>
> I've a usbstick formated with ext2 file system and must have use it on a
different computer because when mount the usb stick I get file ownership:
> -rw-r--r-- 1 test   users     692926 Jan  7  2012 asterisk_1_4_39.tar.gz
> -rw-r--r-- 1 test   users       8502 Jul 21  2011 asterisk-help.txt
> -rw-r--r-- 1 joseph  1000      22696 Mar 26 18:27
asus_10-0-0-1_shaw_nvrambak.bin
> -rw-r--r-- 1 joseph  1000      22459 Mar 26 16:16
asus_home_10-10-0-1.nvrambak.bin
>
> The ownership should be joseph:users but when I try to change (as root)
it I get : Read-only file system
> chown -R joseph:users /media/stick/*
> chown: changing ownership of `/media/stick/asterisk_1_4_39.tar.gz':
Read-only file system
> chown: changing ownership of `/media/stick/asterisk-help.txt': Read-only
file system
>
> How to deal with it?
> I the past changing the ownership always worked from root.
>
> --
> Joseph
>

The file system probably has errors. See dmesg. Also, run fsck -vfy
/dev/usbdev (replace usbdev with sdc or whatever).

That should fix the problem.