Рассмотрены вопросы:
What size USB/SD should I use?
How long will a USB/SD device last?
Where does the scratch partition get placed when booting from USB?
When manually configuring the scratch partition where should I put it?
What are there performance considerations needed when choosing a location for the scratch partition?
What is the impact of running with a scratch partition vs. a scratch volume, vs. leaving scratch on ramdisk?
How do I know if my scratch partition is running in memory vs. on a persistent datastore?
If I setup the ESXi Syslog Collector and Dump Collector can I leave the scratch partition in memory?
What are the limitations when running embedded ESXi vs. installed ESXi?
Can I perform a scripted install to a USB/SD device?
Читать тут- http://blogs.vmware.com/esxi/2011/09/booting-esxi-off-usbsd.html
