For those who're want to test clustering without physical Storage, here is some link for Virtual ISCSI Storage.Feel free to download and evaluate
a) Starwind:-
Need to have Windows Server 2003 before install starwind software.
http://www.starwindsoftware.com/free
Download product:-StarWind Free
b)Windows Storage Server:-
Evaluation from Microsoft. You need to download 3 iso files with valid for 180 days
http://www.download-ss.com/
Download Products:-Windows Unified Data Storage Server 2003 – 32 bit – Standard or Enterprise.
* Registration is required.
c)Openfiler:-
FREE open source ISCSI storage.
http://www.openfiler.com/community/download/
d) Open-E DSS v6
From Open-E . Link recommended by Michel
http://www.open-e.com/
e) Windows Storage Server 2008
http://technet.microsoft.com/
* Applicable to Technet subscriber
f) ISCSI target using Linux Fedora 10
Written by Ow:- http://arieshtblog.blogspot.com/2009/11/how-to-free-iscsi-storage-with-fedora.html
g) SanMelody
From Datacore. (30 days evaluation)
http://www.datacore.com/virtualSANappliance/#1
h) FreeNAS
http://freenas.org/doku.php?lang=en
Feel free to let me know if you know additional Virtual Iscsi storage available in the market.
