Question about the upgrade to ESXi 4.1 and USB keys

Right now I'm under ESXi 4.1 from a USB key (ie. a very small USB key).

If I want to "start over" and use a newer USB for ESXi 5 but keep my intact, is guest operating systems - this possible?  (For example, if I install ESXi on a Virgin USB 5.0, will I be able to import my existing operating system vmx ESXi 4.1 images, etc.?)

In addition, what's the downside of ESXi 5 running from a USB?  I spin this in a laboratory at the House and have read that ESXi basically load into memory if you really start player ESXi itself is useless and a USB key is perfectly fine.  Is this true?

If you do not want re - configure ESXi 5.0, you can proceed as follows:

  1. Use free software, called "USB Image Tool 1.57" make a picture of your USB 4.1 - software available here http://www.alexpage.de/usb-image-tool/ .  This way you can restore it to any USB in the future.
  2. After making a backup of your USB 4.1 image, upgrade installation 4.1 to 5.0.
  3. Make a backup of your configuration of ESXi using the CLI vMA tool / vSphere in Windows with the following command: vicfg-cfgbackup-next - server
  4. The new installation of ESXi 5.0 on new USB
  5. VMA or vSphere CLI tool use in Windows with the following command to restore the backup from step 3 config: vicfg-cfgbackup-load - server
  6. You should now have ESXi 5.0 works on a new USB without any necessary configuration

Alternatively, you can restore the image USB created in step 1 on your old USB in order to have a 4.1 installation handy...

I recommend that make you a picture of your USB 5.0 USB as well just in case in the future USB fails.

Tags: VMware

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