HP 3PAR Solutions Software for vSphere - Manual (Page 21)

3.5 Installing 3PAR VAAI Plug-in for VMware vSphere 4.1
3PAR VAAI Plug-in 1.1.0 for VMware vSphere 4.1 Users Guide
/var/log/vmware/esxupdate.log /var/log/vmware/esxcfg-boot.log
For an ESXi host, log onto the ESXi host from vSphere Client, click Home, under the
Administration section, then click System logs. Select System Logs to view related
event messages.
18 Reboot each ESX/ESXi host.
After the reboot, the 3PAR_vaaip_InServ module loads automatically. It is then attached to
the 3PAR devices and enabled.