Dell Appliance USB disk boot auto update via network-nfs

Refer the http://172.22.16.150/wordpress/?p=702 to create a USB key.

Then edit file isolinux/isolinux.cfg and copy drm_files to NFS server at nfs://172.22.21.1:/home/ftp/upload/R910.

default network-nfs
prompt 1
timeout 100
display message.txt

label 1
    kernel SA.1
    append initrd=SA.2 root=/dev/ram0 rw DEBUG=0 share_type=cdrom loglevel=1 BUILD=1908 init=/init selinux=0 edd=off share_script=drm_files/apply_bundles.sh

label 2 
        kernel SA.1
        append initrd=SA.2 root=/dev/ram0 rw DEBUG=9 share_type=cdrom loglevel=1 BUILD=1908 force_mediacheck=1 init=/init selinux=0 edd=off

# Modify this if dtk files are on a nfs share.
# the mount command will become…
# mount -t $share_type -o $share_opts $share_location /opt/dell/toolkit/systems/
label network-nfs
    kernel SA.1
    append initrd=SA.2 ramdisk_size=72399  Stage3_type=cdrom DEBUG=0 quiet BUILD=1908 vmalloc=256M share_type=nfs share_location=172.22.21.1:/home/ftp/upload/R910   share_script=drm_files/apply_bundles.sh share_opts=nolock selinux=0