HP 3PAR Solutions Software for vSphere - Manual (Page 24)

3.8 Deinstalling 3PAR VAAI Plug-in 1.1.0 for VMware vSphere 4.1
3PAR VAAI Plug-in 1.1.0 for VMware vSphere 4.1 Users Guide
3.1.5.2 Using the ESX Service Console for ESX host:
To verify the installation from the ESX console, issue the following command:
esxcli corestorage claimrule list –c VAAI
The output generated by this command should appear as follows:
VAAI runtime vendor 3PAR_vaaip_InServ vendor=3PARdata model=*
VAAI file vendor 3PAR_vaaip_InServ vendor=3PARdata model=*
3.2 Deinstalling 3PAR VAAI Plug-in 1.1.0 for VMware vSphere 4.1
Follow the appropriate instructions to uninstall the 3PAR VAAI Plug-in.
3.2.1 Deinstalling the Plug-in Using the vSphere CLI on ESX/ESXi Hosts
To un-install 3PAR VAAI Plug-in 1.1.0 for VMware vSphere 4.1 using the vSphere CLI:
1 Place the ESX/ESXi host into maintenance mode and issue the following command:
vicfg-hostops.pl --server -o enter
2 Go to the VMware vSphere CLI command prompt and issue the following command:
vihostupdate.pl -B 3PAR_vaaip_InServ-110 --server --remove
3 Reboot the ESX/ESXi host with the following command:
vicfg-hostops.pl --server -o reboot -f
NOTE: Entering Maintenance Mode may initiate a shutdown, pause, or migration
of Virtual Machines in some system environments. Refer to the VMware
documentation for the recommended procedure to enter Maintenance Mode for
servers in your particular environment.