Michael,

 Sorry for any confusion - I was not using the COMSTAR driver/package, seems 
like the developers made that somewhat confusing - iscsitr vs iscsitgt :( Maybe 
I confused matters by refering to the target as a LUN. My bad. The post from 
pdunlap (above) pretty much rules out the COMSTAR package as an option.

You did not specify your version of MSCS but I will presume it to be W2K8. I 
cannot build a cluster because the iscsi target (iscsitgt) is the only disk I 
have made available to my two W2K8 nodes. The cluster verifier fails when it 
tries to reserve the iscsi target. If you were to bypass the verifier, go ahead 
and build your nodes, and try to online the drive as a physical disk resource, 
then I would suspect you to get an error - and if you looked in the cluster 
log, I would imagine it to say something along the lines "persistent 
reservation failed"

>From my experience, there are only two (non-hardware) iscsi packages that will 
>work with MSCS W2K8 - the one from Starwind (free version only supports one 
>connection so not suitable for clustering, but you can obtain a trial copy of 
>the "real" product), and the MS Windows Unified Data Storage Server (don't 
>need the full produt of this, just the VDS/VSS package - good luck obtaining 
>it) 

None of the Linux versions I have tried work correctly (persistent reservations)

I am hoping that some of the guru coders on this thread will find this missing 
puzzle piece. Soon is just fine wih me.

Brad
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