DOCUMENT:Q247065  08-MAY-2002  [winnt]
TITLE   :Err Msg: System Process Lost Delayed-Write Data
PRODUCT :Microsoft Windows NT
PROD/VER::4.0,4.0 SP6,4.0 SP6a
OPER/SYS:
KEYWORDS:kberrmsg kbWinNT400PreSP7Fix

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The information in this article applies to:

 - Microsoft Windows NT Server, Enterprise Edition versions 4.0, 4.0 SP6, 4.0 SP6a 
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SYMPTOMS
========

When you take a cluster disk offline, or move the group to the other node, you
may receive the following error message:

   "System Process - Lost Delayed-Write Data"

   "The system was attempting to transfer file data from buffers to
   \Device\Harddisk#\Partition#\. The write operation failed, and only some of
   the data may have been written to the file.

CAUSE
=====

With certain disk layouts, e.g. additional RAW partitions, the partition is not
properly unmounted before the disk is taken offline.

RESOLUTION
==========

A supported fix is now available from Microsoft, but it is only intended to
correct the problem described in this article and should be applied only to
systems experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the
fix. For a complete list of Microsoft Product Support Services phone numbers and
information on support costs, please go to the following address on the World
Wide Web:

   http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal support costs will apply to additional
support questions and issues that do not qualify for the specific update in
question.

The English-language version of this fix should have the following file
attributes or later:

   Date      Time    Size    File name     Platform
   ------------------------------------------------
   12/02/99  11:35a  29,712  clusdisk.sys  i386
   12/02/99  11:33a  49,744  clusdisk.sys  Alpha



STATUS
======

Microsoft has confirmed this to be a problem in the Microsoft products that are
listed at the beginning of this article.


Additional query words: MSCS Event ID: 26

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Keywords          : kberrmsg kbWinNT400PreSP7Fix 
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400sp6 kbWinNTSEnt400 kbWinNTS400search kbWinNTSEnt400SP6a
Version           : :4.0,4.0 SP6,4.0 SP6a
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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