To make writable:
chmod a+w /mnt/sda1
/etc/init.d/samba restart
/mnt/sda1 is mount point of /dev/sda1 change it to match yours.
To make writable:
chmod a+w /mnt/sda1
/etc/init.d/samba restart
/mnt/sda1 is mount point of /dev/sda1 change it to match yours.