Microsoft KB Archive/240739

= IBM ServeRAID Cluster Solutions Causes Windows NT Cluster Handle Leak =

Article ID: 240739

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Enterprise Edition, when used with:
 * Microsoft Cluster Server 1.1

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This article was previously published under Q240739



SYMPTOMS
A computer running Microsoft Cluster Server and IBM ServeRAID may stop responding (hang) every day or two.

If you use Performace Monitor to track the handles of the Cluster Service (resrcmon), it displays a dramatic increase. Even if make no modifications to the servers, and no resources stop working, the handle count continues to increase.



CAUSE
The handle leak is caused by an old version of Ipsha.dll from IBM ServeRAID Cluster Solutions.



RESOLUTION
To resolve this problem, update the software and the firmware to the latest versions available from IBM.

Below is a sample list of ServeRAID versions that do not cause this problem:
 * PC ServerRAID BIOS 3.50.12
 * PC ServerRAID Firmware 2.88.10
 * IBM ServeRAID Administration and Monitoring 3.50.17
 * IBM ServeRAID Device Driver 3.50
 * IBM ServeRAID DOS configuration 3.50
 * IBM ServeRAID Cluster Solutions for Windows NT 3.50



STATUS
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.



MORE INFORMATION
If you use OH to get a list of the handles, it shows a lot of handles with no names, these are device handles.

Additional query words: memory nonpaged pool leak

Keywords: kbprb KB240739

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