Multi path to shared storage

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At one time there was a Q article about the use of multiple HBAs on Windows and the requirement of a third party app that manages these. I believe the reason for needing this is because Windows does not manage multiple paths to the same storage like Unix, AIX or VMS do. I seem to remember it can cause random I/O errors and read/write errors. Another division is having these issues and do not have Secure Path installed on a multi path cluster.I have built over 25 multi path clusters on Proliant platforms using Secure Path. The issue I have is that a number of coworkers are having an issue with the cost of Secure Path and I need to provide Microsoft documentation proving what I have been telling them. Does anyone know what the Q article number is or where I can find this info?
 
Here are some references that I found:

317162 Supported Fibre Channel Configurations
http://support.microsoft.com/?id=317162

327831 Support for a Single Server Cluster That Is Attached to Multiple
Storage
http://support.microsoft.com/?id=327831

293778 Multiple-Path Software May Cause Disk Signature to Change
http://support.microsoft.com/?id=293778

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Emmers Presson [MSFT]
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Mkemp said:
At one time there was a Q article about the use of multiple HBAs on
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Windows and the requirement of a third party app that manages these. I
believe the reason for needing this is because Windows does not manage
multiple paths to the same storage like Unix, AIX or VMS do. I seem to
remember it can cause random I/O errors and read/write errors. Another
division is having these issues and do not have Secure Path installed on a
multi path cluster.I have built over 25 multi path clusters on Proliant
platforms using Secure Path. The issue I have is that a number of coworkers
are having an issue with the cost of Secure Path and I need to provide
Microsoft documentation proving what I have been telling them. Does anyone
know what the Q article number is or where I can find this info?
 
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