The Windows Server 2008 system may stop responding when an error occurs on one of the logical units of a storage array that is connected over a single MPIO path

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Article ID: 957522 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You are running a Windows Server 2008-based computer.
  • The computer is connected to a storage array over a single Microsoft Multipath I/O (MPIO) path.

    Note This may be the only remaining good path after a failover occurs from one or more other paths.
  • I/O operations are being performed against one or more logical units on the storage array. For example, a Volume Shadow Copy Service (VSS) operation is being performed against a logical unit.
In this scenario, the system may stop responding.

CAUSE

This problem occurs because the system continues to retry I/O requests to the failed logical unit and a storage path failover loop occurs.

RESOLUTION

Hotfix information

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

No prerequisites are required.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2008 file information notes

  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    Collapse this tableExpand this table
    VersionProductMilestoneService branch
    6.0.6001.22xxxWindows Vista SP1 and Windows Server 2008 SP1SP1LDR
  • The MANIFEST files (.manifest) and MUM files (.mum) installed for each environment are listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.
For all supported x86-based versions of Windows Server 2008
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File nameFile versionFile sizeDateTimePlatform
Mpio.sys6.0.6001.22273105,52825-Sep-200803:41x86
For all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Mpio.sys6.0.6001.22273129,59225-Sep-200804:58x64
For all supported Itanium-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Mpio.sys6.0.6001.22273283,19225-Sep-200804:59IA-64

Additional file information for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008
Collapse this tableExpand this table
File namePackage_1_for_kb957522~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,969
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_2_for_kb957522~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,807
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_3_for_kb957522~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,807
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_client_1~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,367
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_client~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,430
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,421
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_sc~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,422
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,425
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_server~31bf3856ad364e35~x86~~6.0.1.0.mum
File versionNot Applicable
File size1,430
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File nameX86_mpio.inf_31bf3856ad364e35_6.0.6001.22273_none_1d73ccb6a8a7ebfb.manifest
File versionNot Applicable
File size1,659
Date (UTC)25-Sep-2008
Time (UTC)10:14
PlatformNot Applicable
Additional files for all supported x64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameAmd64_mpio.inf_31bf3856ad364e35_6.0.6001.22273_none_7992683a61055d31.manifest
File versionNot Applicable
File size1,661
Date (UTC)25-Sep-2008
Time (UTC)10:17
PlatformNot Applicable
File namePackage_1_for_kb957522~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,981
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_2_for_kb957522~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,817
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_3_for_kb957522~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,817
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,375
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_client~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,438
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_sc~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,430
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,433
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_server~31bf3856ad364e35~amd64~~6.0.1.0.mum
File versionNot Applicable
File size1,438
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
Additional files for all supported Itanium-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameIa64_mpio.inf_31bf3856ad364e35_6.0.6001.22273_none_1d7570aca8a5f4f7.manifest
File versionNot Applicable
File size1,660
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_1_for_kb957522~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,812
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_2_for_kb957522~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,812
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,425
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,426
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,429
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable
File namePackage_for_kb957522_server~31bf3856ad364e35~ia64~~6.0.1.0.mum
File versionNot Applicable
File size1,434
Date (UTC)25-Sep-2008
Time (UTC)10:12
PlatformNot Applicable

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 957522 - Last Review: October 8, 2011 - Revision: 3.0
APPLIES TO
  • Windows Server 2008 Standard
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
Keywords: 
kbautohotfix kbexpertiseinter kbbug kbfix kbqfe KB957522

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