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CUSTOMER ADVISORY: Configuring the cache usage on Windows 2008 R2 system

SUPPORT COMMUNICATION - CUSTOMER ADVISORY

Document ID: c03117812

Version: 1

CUSTOMER ADVISORY: Configuring the cache usage on Windows 2008 R2 system
NOTICE: The information in this document, including products and software versions, is current as of the Release Date. This document is subject to change without notice.

Release Date: 2011-12-14

Last Updated: 2011-12-14


DESCRIPTION

During IDB backup on Windows 2008 R2 cell manager, the task manager displays close to 100% memory consumption even though the memory consumption by the Raima Database Service (RDS) process is within the normal limits. The Windows cache manager does not release the memory until the RDS service is restarted leading to slow response time from the Graphical User Interface (GUI), and slow IDB backups.

SCOPE

This advisory provides the details of the dynamic cache service which allows the user to configure the cache usage on Windows 2008 R2 system.

Affected Products
  • HP Data Protector v6.11 on Windows 2008 R2 system
  • HP Data Protector v6.2 on Windows 2008 R2 system

RESOLUTION

In case of Windows 7 and Windows server 2008 R2, the system cache is automated. However, some application may still cause flooding onto file system cache by overdoing cached read or write IO which would result in high file system cache. To resolve this issue, it is recommended to contact Microsoft for the installation of Dynamic Cache service.

Links for Reference :

http://support.microsoft.com/kb/976618 Non-HP site

http://blogs.msdn.com/b/ntdebugging/archive/2007/11/27/too-much-cache.aspx Non-HP site

http://blogs.msdn.com/b/ntdebugging/archive/2009/02/06/microsoft-windows-dynamic-cache-service.aspx Non-HP site (Microsoft Windows Dynamic Cache Service)


Hardware Platforms Affected: HP Data Protector V6.1 Software, HP Data Protector V6.10 Software(Standard HP Product), HP Data Protector V6.11 Software(Standard HP Product), HP Data Protector V6.1x Software, HP Data Protector V6.2 Software
Components Affected: Cell Manager of Data Protector V6.11 and V6.20
Operating Systems Affected: Not Applicable
Software Affected: Not Applicable
Third Party Products Affected: Not Applicable
Support Communication Cross Reference ID: IA03117812
©Copyright 2011 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP or its affiliates, subcontractors or suppliers will be liable for incidental,special or consequential damages including downtime cost; lost profits;damages relating to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this document is subject to change without notice. Hewlett-Packard Company and the names of Hewlett-Packard products referenced herein are trademarks of Hewlett-Packard Company in the United States and other countries. Other product and company names mentioned herein may be trademarks of their respective owners.

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