Protect VM data

During the installation of ESX, it is extremely important to protect VM data stored on existing volumes. Early versions of ESX would actually destroy LUN data which it discovered during installation. Dominic Rivera outlines several options to protect data, a few of which are automated for unattended installs. Follow the link below and check it out:

http://vmprofessional.com/2009/06/protecting-your-san-luns-during.html
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