root@OpenWrt:~# fdisk -l /dev/sda

Disk /dev/sda: 8031 MB, 8031043584 bytes

224 heads, 16 sectors/track, 4376 cylinders, total 15685632 sectors

Units = sectors of 1 * 512 = 512 bytes

Sector size (logical/physical): 512 bytes / 512 bytes

I/O size (minimum/optimal): 512 bytes / 512 bytes

Disk identifier: 0x00000000

Device Boot Start End Blocks Id System

/dev/sda1 2048 15677439 7837696 b W95 FAT32

********************************************************************************************************

root@OpenWrt:~# cat /etc/config/fstab

config global 'automount'

option from_fstab '1'

option anon_mount '1'

config global 'autoswap'

option from_fstab '1'

option anon_swap '0'

config mount

option target '/overlay'

option options 'rw,sync'

option enabled '1'

option fstype 'vfat'

option device '/dev/sda1'

config swap

option enabled '1'

option device '/dev/sda1'

**********************************************************************************************************

root@OpenWrt:~# ls -l /

drwxr-xr-x 2 root root 666 Mar 23 2013 bin

drwxr-xr-x 6 root root 1140 Jan 30 16:53 dev

drwxr-xr-x 1 root root 0 Mar 23 2013 etc

-rw-r--r-- 1 root root 1 Jan 30 10:17 fstab

drwxr-xr-x 2 root root 0 Jan 30 10:09 home

drwxr-xr-x 1 root root 0 Mar 23 2013 lib

drwxr-xr-x 1 root root 0 Jan 30 11:20 mnt

drwxr-xr-x 9 root root 0 Jan 30 10:17 overlay

dr-xr-xr-x 51 root root 0 Jan 1 1970 proc

drwxr-xr-x 16 root root 223 Mar 23 2013 rom

drwxr-xr-x 2 root root 3 Mar 23 2013 root

drwxr-xr-x 1 root root 0 Jan 30 10:49 sbin

drwxr-xr-x 11 root root 0 Jan 1 1970 sys

drwxrwxrwt 14 root root 400 Jan 30 17:08 tmp

drwxr-xr-x 1 root root 0 Mar 23 2013 usr

lrwxrwxrwx 1 root root 4 Mar 23 2013 var -> /tmp

drwxr-xr-x 4 root root 67 Mar 23 2013 www

************************************************************************************************

root@OpenWrt:~# lsmod

Module Size Used by Tainted: G

ath79_wdt 2240 1

ledtrig_usbdev 2032 0

ledtrig_netdev 3184 0

nf_nat_irc 784 0

nf_conntrack_irc 2464 1 nf_nat_irc

nf_nat_ftp 976 0

nf_conntrack_ftp 4416 1 nf_nat_ftp

ipt_MASQUERADE 976 1

iptable_nat 2544 1

nf_nat 10256 4 nf_nat_irc,nf_nat_ftp,ipt_MASQUERADE,iptable_nat

pppoe 7488 0

xt_conntrack 2048 3

xt_CT 1216 0

xt_NOTRACK 448 0

iptable_raw 560 1

xt_state 608 0

nf_conntrack_ipv4 4384 6 iptable_nat,nf_nat

nf_defrag_ipv4 656 1 nf_conntrack_ipv4

nf_conntrack 38336 12 nf_nat_irc,nf_conntrack_irc,nf_nat_ftp,nf_conntrack_ftp,ipt_MASQUERADE,iptable_nat,nf_nat,xt_conntrack,xt_CT,xt_NOTRACK,xt_state,nf_conntrack_ipv4

pppox 1152 1 pppoe

ipt_REJECT 1808 2

xt_TCPMSS 2560 0

ipt_LOG 6160 0

xt_comment 400 0

xt_multiport 1104 0

xt_mac 528 0

xt_limit 944 1

iptable_mangle 832 1

iptable_filter 592 1

ip_tables 8864 4 iptable_nat,iptable_raw,iptable_mangle,iptable_filter

xt_tcpudp 1632 3

x_tables 9984 18 ipt_MASQUERADE,iptable_nat,xt_conntrack,xt_CT,xt_NOTRACK,iptable_raw,xt_state,ipt_REJECT,xt_TCPMSS,ipt_LOG,xt_comment,xt_multiport,xt_mac,xt_limit,iptable_mangle,iptable_filter,ip_tables,xt_tcpudp

ppp_async 5952 0

ppp_generic 18848 3 pppoe,pppox,ppp_async

slhc 4368 1 ppp_generic

vfat 7824 0

fat 41728 1 vfat

ath9k 84944 0

ath9k_common 1152 1 ath9k

ath9k_hw 329024 2 ath9k,ath9k_common

ath 14320 3 ath9k,ath9k_common,ath9k_hw

nls_iso8859_1 2800 0

nls_cp437 4336 0

mac80211 252240 1 ath9k

crc_ccitt 944 1 ppp_async

cfg80211 153696 3 ath9k,ath,mac80211

compat 5776 5 ath9k,ath9k_common,ath9k_hw,mac80211,cfg80211

arc4 768 2

aes_generic 29808 0

usb_storage 33152 0

ohci_hcd 16160 0

ehci_hcd 33632 0

sd_mod 22240 0

usbcore 99200 5 ledtrig_usbdev,usb_storage,ohci_hcd,ehci_hcd

usb_common 480 1 usbcore

scsi_mod 69904 2 usb_storage,sd_mod

nls_base 4640 5 vfat,fat,nls_iso8859_1,nls_cp437,usbcore

crypto_algapi 9200 2 arc4,aes_generic

ledtrig_timer 1072 0

ledtrig_default_on 416 0

leds_gpio 1552 0

gpio_button_hotplug 3184 0

******************************************************************************************************************************************

root@OpenWrt:~# opkg list-installed

base-files - 117-r36088

blkid - 2.21.2-1

block-mount - 0.2.0-9

busybox - 1.19.4-6

dnsmasq - 2.62-2

dropbear - 2011.54-2

fdisk - 2.21.2-1

firewall - 2-55.1

hotplug2 - 1.0-beta-4

iptables - 1.4.10-4

iw - 3.6-1

jshn - 2013-01-29-0bc317aa4d9af44806c28ca286d79a8b5a92b2b8

kernel - 3.3.8-1-d6597ebf6203328d3519ea3c3371a493

kmod-ath - 3.3.8+2012-09-07-3

kmod-ath9k - 3.3.8+2012-09-07-3

kmod-ath9k-common - 3.3.8+2012-09-07-3

kmod-cfg80211 - 3.3.8+2012-09-07-3

kmod-crypto-aes - 3.3.8-1

kmod-crypto-arc4 - 3.3.8-1

kmod-crypto-core - 3.3.8-1

kmod-fs-vfat - 3.3.8-1

kmod-gpio-button-hotplug - 3.3.8-1

kmod-ipt-conntrack - 3.3.8-1

kmod-ipt-core - 3.3.8-1

kmod-ipt-nat - 3.3.8-1

kmod-ipt-nathelper - 3.3.8-1

kmod-leds-gpio - 3.3.8-1

kmod-ledtrig-default-on - 3.3.8-1

kmod-ledtrig-netdev - 3.3.8-1

kmod-ledtrig-timer - 3.3.8-1

kmod-ledtrig-usbdev - 3.3.8-1

kmod-lib-crc-ccitt - 3.3.8-1

kmod-mac80211 - 3.3.8+2012-09-07-3

kmod-nls-base - 3.3.8-1

kmod-nls-cp437 - 3.3.8-1

kmod-nls-iso8859-1 - 3.3.8-1

kmod-ppp - 3.3.8-1

kmod-pppoe - 3.3.8-1

kmod-pppox - 3.3.8-1

kmod-scsi-core - 3.3.8-1

kmod-usb-core - 3.3.8-1

kmod-usb-ohci - 3.3.8-1

kmod-usb-storage - 3.3.8-1

kmod-usb2 - 3.3.8-1

kmod-wdt-ath79 - 3.3.8-1

libblkid - 2.21.2-1

libblobmsg-json - 2013-01-29-0bc317aa4d9af44806c28ca286d79a8b5a92b2b8

libc - 0.9.33.2-1

libcom_err - 1.42.4-1

libext2fs - 1.42.4-1

libgcc - 4.6-linaro-1

libip4tc - 1.4.10-4

libiwinfo - 36

libiwinfo-lua - 36

libjson - 0.9-2

liblua - 5.1.4-8

libncurses - 5.7-5

libnl-tiny - 0.1-3

libpthread - 0.9.33.2-1

libubox - 2013-01-29-0bc317aa4d9af44806c28ca286d79a8b5a92b2b8

libubus - 2013-01-13-bf566871bd6a633e4504c60c6fc55b2a97305a50

libubus-lua - 2013-01-13-bf566871bd6a633e4504c60c6fc55b2a97305a50

libuci - 2013-01-04.1-1

libuci-lua - 2013-01-04.1-1

libuuid - 2.21.2-1

libxtables - 1.4.10-4

lua - 5.1.4-8

luci - 0.11.1-1

luci-app-firewall - 0.11.1-1

luci-i18n-english - 0.11.1-1

luci-lib-core - 0.11.1-1

luci-lib-ipkg - 0.11.1-1

luci-lib-nixio - 0.11.1-1

luci-lib-sys - 0.11.1-1

luci-lib-web - 0.11.1-1

luci-mod-admin-core - 0.11.1-1

luci-mod-admin-full - 0.11.1-1

luci-proto-core - 0.11.1-1

luci-proto-ppp - 0.11.1-1

luci-sgi-cgi - 0.11.1-1

luci-theme-base - 0.11.1-1

luci-theme-openwrt - 0.11.1-1

mtd - 18.1

netifd - 2013-01-29.2-4bb99d4eb462776336928392010b372236ac3c93

opkg - 618-3

ppp - 2.4.5-8

ppp-mod-pppoe - 2.4.5-8

swap-utils - 2.21.2-1

swconfig - 10

terminfo - 5.7-5

uboot-envtools - 2012.04.01-1

ubus - 2013-01-13-bf566871bd6a633e4504c60c6fc55b2a97305a50

ubusd - 2013-01-13-bf566871bd6a633e4504c60c6fc55b2a97305a50

uci - 2013-01-04.1-1

uhttpd - 2012-10-30-e57bf6d8bfa465a50eea2c30269acdfe751a46fd

wpad-mini - 20120910-1

Thanks a lot for your help!

Theodoros