If you want to run shared storage in e.g.
a test setup, then Starwind's iSCSI application can be recommended.
Earlier, I have tried Openfiler (iSCSI in a linux distro VM) which works
fine, It's not too complicated to configure, but still it's much easier
with Starwind iSCSI in a Windows environment. The application is free
but there's a 2 TB storage limit.
Download Starwind Free here.
Starwind installation guide.
It's easy to install, just go next next done. Load the serial key,
connect to the localhost (user: test, pw: test), add a new device, and
then follow install guide page pp 5.
For a guide on how to configure iSCSI in ESX 3 and 4, click here
A typical test setup could be one physcial host with 8 GB of memory and one quad core cpu. Check vm-help.com for a list of compatible whitebox ESX hardware.
From ESX 4 it's possible to run ESX as a VM within an ESX. Even VMotion will work (go to vcritical.com
for a demonstration). And if you have a VM with an iSCSI target running
on it, then you have a full enterprise setup running on one box.
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