2008 R2 added CSVs (Cluster Shared Volumes) though which will give you this...

Thanks,
Brian Desmond
[email protected]

c - 312.731.3132


From: Joseph L. Casale [mailto:[email protected]]
Sent: Wednesday, July 21, 2010 11:07 AM
To: NT System Admin Issues
Subject: RE: iSCSI and shared volumes

Hasn't anything at all to do with the ini, it's the filesystem that the target 
exports.
iSCSI is not a file sharing protocol, you likely have already corrupted the 
ntfs filesystem on the 5tb volume you have done with this.

Although the ini often needs to support scsi reservations (ms ini does) the 
underlying filesystem has to know how to deal with concurrent access, vmfs is a 
cluster aware fs and hence can do this. ntfs is *not* a cluster aware fs.

I sure as hell hope nothing you needed was being exported on that target:) Its 
not a matter of maybe, you have damaged that fs already.

From: Andrew S. Baker [mailto:[email protected]]
Sent: Tuesday, July 20, 2010 8:42 PM
To: NT System Admin Issues
Subject: Re: iSCSI and shared volumes

This isn't a Microsoft issue.

Most iSCSI initiators are not set to handle writes to a volume from other 
volumes.


ASB (My XeeSM Profile)<http://XeeSM.com/AndrewBaker>
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On Tue, Jul 20, 2010 at 8:26 PM, Ziots, Edward 
<[email protected]<mailto:[email protected]>> wrote:
Why I love ESX soo much, don't have to worry about M$ shared volume issues with 
failover of VM's and accessing .VMDK and .VMX files from the same volume, 
updating them and likewise.

Z

Edward E. Ziots
CISSP, Network +, Security +
Network Engineer
Lifespan Organization
Email:[email protected]<mailto:email%[email protected]>
Cell:401-639-3505

From: Andrew S. Baker [mailto:[email protected]<mailto:[email protected]>]
Sent: Tuesday, July 20, 2010 8:14 PM

To: NT System Admin Issues
Subject: Re: iSCSI and shared volumes


Time for plan B.   :)

You have correctly surmised the problem.

-ASB: http://XeeSM.com/AndrewBaker

Sent from my Motorola Droid
On Jul 20, 2010 7:30 PM, "Mark Smith" 
<[email protected]<mailto:[email protected]>> wrote:
I have a few 2008 R2 servers that are stand alone (not clustered) Hyper-V hosts.
They are connected via iSCSI to a single 5TB volume on a DELL/Equallogic PE6000 
iSCSI target.
The idea is to have the VM's for all the Hyper-V hosts in one volume on the 
PE6000 and have all the hosts access that same volume simultaneously.
I am having a problem in that when one host writes to the volume the other 
hosts don't see the changes.
Should this configuration work as I'm intending or do I need to go with 
clustering in R2 and use CSV (Cluster Shared Volume) ?






















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