CSV snapshot file is corrupted when you create some files on the live volume in Windows

Applies To
Windows 8.1 Enterprise Windows 8.1 Windows 8.1 Pro Windows RT 8.1 Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows Server 2012 R2 Standard Windows Server 2012 Datacenter Windows Server 2012 Datacenter Windows Server 2012 Essentials Windows Server 2012 Foundation Windows Server 2012 Foundation Windows Server 2012 Standard Windows Server 2012 Standard Windows 8 Windows 8 Enterprise Windows 8 Pro

Symptoms

Consider the following scenario:

  • You create some files on a Cluster Shared Volume (CSV) in Windows 8.1, Windows Server 2012 R2, Windows 8 or Windows Server 2012.
  • You take a snapshot of the CSV.
  • You delete the files.
  • You create some files and delete some older snapshots in parallel.

In this situation, the snapshot CSV snapshot file is corrupted.

Resolution

To resolve this issue in Windows 8.1 or Windows Server 2012 R2, install update 2955164, or install the hotfix that is described in this article.

To resolve this issue in Windows 8 or Windows Server 2012, install the hotfix that is described in this article.

Update information

For more information about update 2955164, click the following article number to view the article in the Microsoft Knowledge Base:

2955164 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: May 2014

Hotfix information

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.

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, submit a request to 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 website:

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

To apply this hotfix, you must be running Windows 8.1, Windows Server 2012 R2, Windows 8, or Windows Server 2012, and have installed the update 2919355. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 8.1, Windows Server 2012 R2, Windows 8 and Windows Server 2012 file information notesImportant Windows 8.1 and Windows Server 2012 R2, Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" or "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • 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:

    Version Product Milestone Service branch
    6.2.920 0.20xxx Windows 8 and Windows Server 2012 RTM LDR
    6.3.960 0.17xxx Windows 8.1 and Windows Server 2012 R2 RTM DR
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8 and Windows Server 2012" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 8.1

File name File version File size Date Time Platform
Volsnap.sys 6.3.9600.17041 264,536 06-Mar-2014 10:37 x86

For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name File version File size Date Time Platform
Csvflt.sys 6.3.9600.16520 210,944 27-Jan-2014 7:50 x64
Csvfs.sys 6.3.9600.16520 654,848 27-Jan-2014 7:48 x64
Volsnap.sys 6.3.9600.17041 310,616 06-Mar-2014 12:42 x64

For all supported x86-based versions of Windows 8

File name File version File size Date Time Platform
Volsnap.sys 6.2.9200.20930 281,944 31-Jan-2014 06:55 x86

For all supported x64-based versions of Windows 8 and of Windows Server 2012

File name File version File size Date Time Platform
Csvflt.sys 6.2.9200.20931 205,824 01-Feb-2014 04:32 x64
Csvfs.sys 6.2.9200.20931 628,736 01-Feb-2014 04:30 x64
Volsnap.sys 6.2.9200.20930 330,584 31-Jan-2014 08:17 x64

      

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

Additional file information

Additional file information for Windows 8.1, Windows Server 2012 R2, Windows 8 and Windows Server 2012

Additional files for all supported x86-based versions of Windows 8.1

File property Value
File name X86_volume.inf_31bf3856ad364e35_6.3.9600.17041_none_aa7e9e601790f66e.manifest
File version Not applicable
File size 2,100
Date (UTC) 06-Mar-2014
Time (UTC) 11:16
Platform Not applicable

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File property Value
File name Amd64_2f92a286bc7aed8a434e30d7024d10ba_31bf3856ad364e35_6.3.9600.16520_none_130865b95f96d2c6.manifest
File version Not applicable
File size 718
Date (UTC) 07-Mar-2014
Time (UTC) 19:29
Platform Not applicable
File name Amd64_7fe8983e74ac2505c29d973cf6fb11b1_31bf3856ad364e35_6.3.9600.16520_none_0a4a7c1c36086012.manifest
File version Not applicable
File size 719
Date (UTC) 07-Mar-2014
Time (UTC) 19:29
Platform Not applicable
File name Amd64_microsoft-windows-f..cluster-csvflt-core_31bf3856ad364e35_6.3.9600.16520_none_adfe50be8b6f407f.manifest
File version Not applicable
File size 4,685
Date (UTC) 28-Jan-2014
Time (UTC) 00:51
Platform Not applicable
File name Amd64_microsoft-windows-f..rcluster-csvfs-core_31bf3856ad364e35_6.3.9600.16520_none_c73218763337bc02.manifest
File version Not applicable
File size 3,087
Date (UTC) 28-Jan-2014
Time (UTC) 00:52
Platform Not applicable
File name Amd64_volume.inf_31bf3856ad364e35_6.3.9600.17041_none_069d39e3cfee67a4.manifest
File version Not applicable
File size 2,104
Date (UTC) 06-Mar-2014
Time (UTC) 15:29
Platform Not applicable

Additional files for all supported x86-based versions of Windows 8

File property Value
File name X86_volume.inf_31bf3856ad364e35_6.2.9200.20930_none_131d781ee674600a.manifest
File version Not applicable
File size 2,100
Date (UTC) 31-Jan-2014
Time (UTC) 06:59
Platform Not applicable

Additional files for all supported x64-based versions of Windows 8 and of Windows Server 2012

File property Value
File name Amd64_08504615f31c9e974b6894a866a6c1e5_31bf3856ad364e35_6.2.9200.20931_none_1ab11059c9ef355e.manifest
File version Not applicable
File size 718
Date (UTC) 13-Feb-2014
Time (UTC) 18:46
Platform Not applicable
File name Amd64_ccaed71ec6de95d5bb5c0066d1479be4_31bf3856ad364e35_6.2.9200.20931_none_b8f4bf7fe144275b.manifest
File version Not applicable
File size 719
Date (UTC) 13-Feb-2014
Time (UTC) 18:46
Platform Not applicable
File name Amd64_microsoft-windows-f..cluster-csvflt-core_31bf3856ad364e35_6.2.9200.20931_none_16896af35a613c89.manifest
File version Not applicable
File size 4,685
Date (UTC) 01-Feb-2014
Time (UTC) 07:52
Platform Not applicable
File name Amd64_microsoft-windows-f..rcluster-csvfs-core_31bf3856ad364e35_6.2.9200.20931_none_2fbd32ab0229b80c.manifest
File version Not applicable
File size 3,087
Date (UTC) 01-Feb-2014
Time (UTC) 07:52
Platform Not applicable
File name Amd64_volume.inf_31bf3856ad364e35_6.2.9200.20930_none_6f3c13a29ed1d140.manifest
File version Not applicable
File size 2,104
Date (UTC) 31-Jan-2014
Time (UTC) 08:53
Platform Not applicable