If the IBM kernel driver (Shutvol.sys) is installed in Microsoft
Windows Server 2003, the cluster group of Microsoft Cluster Service (MSCS) may
not fail over. Additionally, disk I/O operations may not be completed.
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The Shutvol.sys driver is not implemented as a filter driver. The
Shutvol.sys driver does not appear on the stack of I/O request packets (IRP) or on the device stack.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
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