INFO:
NFS-server: lisa
NFS-lient: homer

Problem: 
I cannot write to /data/storage/media/video/ from homer. I have mounted it with rw, so it should be writable, right?

(tdn@lisa.springfield) (Wed Feb 14 06:57 ) {P:0 H:500}
(~) cat /etc/exports
# /etc/exports: the access control list for filesystems which may be exported
#    to NFS clients.  See exports(5).
#/data/export/ 10.0.0.0/255.255.255.0(rw,no_root_squash,no_all_squash,sync)
#/data/storage/media/video/ 10.0.0.0/255.255.255.0(rw,async,all_squash)
/data/storage/media/video/ 10.0.0.0/255.255.255.0(async,all_squash)
(tdn@lisa.springfield) (Wed Feb 14 06:57 ) {P:0 H:501}
(~)





(tdn@homer.) (Wed Feb 14 06:55 ) {P:0 H:568}
(~) mount
/dev/hda1 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
/sys on /sys type sysfs (rw,noexec,nosuid,nodev)
varrun on /var/run type tmpfs (rw,noexec,nosuid,nodev,mode=0755)
varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777)
procbususb on /proc/bus/usb type usbfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
devshm on /dev/shm type tmpfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
lrm on /lib/modules/2.6.17-11-386/volatile type tmpfs (rw)
/dev/hda3 on /media/hda3 type ntfs (rw,nls=utf8,umask=007,gid=46)
/dev/hdc1 on /data type ext3 (rw)
nfsd on /proc/fs/nfsd type nfsd (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
10.0.0.30:/data/storage/media/video on /data/storage/media/video type nfs (rw,noexec,nosuid,nodev,noatime,intr,rsize=8192,wsize=8192,timeo=14,intr,addr=10.0.0.30,user=tdn)
(tdn@homer.) (Wed Feb 14 06:55 ) {P:0 H:568}
(~)                                                                     
(tdn@homer.) (Wed Feb 14 06:56 ) {P:0 H:569}
(/data/storage/media/video) sudo su -
Password:
root@homer:~# cd /data/storage/media/video
root@homer:/data/storage/media/video# touch hest
touch: cannot touch `hest': Read-only file system
root@homer:/data/storage/media/video#