How to create rootdg manually without using vxinstall  HP-Ux

Install VXVM

Start vxconfigd in disabled mode
#vxconfigd -m disable

Start some vxiod threads
#vxiod set 10

Initialize the /etc/vx/volboot file
#vxdctl init

Create rootdg
#vxdg init rootdg

Initialize a disk for VM
#vxdisk -f init <device> type=simple

Add the disk to rootdg
#vxdg -g rootdg adddisk disk01=<device>

To enable vxconfigd daemon
#vxconfigd -k -m enable

To restart subsystem
#vxdctl initdmp

To start vxrelocd daemon on full VXVM
#nohup /etc/vx/bin/vxrelocd root &

Make persistent across reboots
#rm /etc/vx/reconfig.d/state.d/install-db

To start dgcfgdaemon
#nohup /usr/sbin/dgcfgdaemon &