IBM membuat customize image untuk vmware khusus untuk hardwarenya.
ini dia link customized esx http://www-03.ibm.com/systems/x/os/vmware/
cara patch ada beberapa
- patch vmware esxi customized via vCenter
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1019545
- patch vmware via esxcli
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2004746
selamat bervirtualisasi