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Daylight Saving Time

Impact of Daylight Saving Time Changes on Network Products

Last Updated:  03/28/2007
 

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Overview
Beginning March 11, 2007, Daylight Saving Time (DST) start and end dates for the United States will transition to comply with the Energy Policy Act of 2005.  Under the new law, Daylight Saving Time will begin the second Sunday of March and end the first Sunday of November, extending the timeframe by four weeks.  Due to this DST change, operating system and application software updates may be required to ensure that the system clock on HP products is accurate.

This is not unique to HP products.  All devices that automatically adjust Daylight Saving Time and that support operating systems or rely on a local time zone that observes DST will be affected by the 2007 DST change.

U.S. 2007 Daylight Saving Time Changes

2006

2007

U.S. DST Start U.S. DST End U.S. DST Start U.S. DST End
First Sunday in April Last Sunday in October Second Sunday in March First Sunday in November
2 April 2006 29 October 2006 11 March 2007 4 November 2007

Other Countries Affected by the Change
Several countries other than the United States of America are also implementing the same DST change (Canada, Bermuda), and other countries are expected to make similar changes.  For a complete listing of Worldwide Daylight Saving Time schedules, including countries that are changing along with the United States, refer to the Worldwide Daylight Saving Reference Page.

Why care about DST?

You are affected by the new DST change if:

  • You are running a computer system in the USA, Canada, or Bermuda, particularly if the system is running an application that performs time-sensitive functions, such as scheduling or creation/validation of time or date stamps.
     

  • You are outside of the USA, Canada or Bermuda but are running a computer system that interacts with or is integrated with systems in the USA, Canada or Bermuda that have transitioned to the new DST rules.
     

HP is providing patches or updates that will address the changes for your products as the result of the U.S. 2007 DST law.   Utilize this information to perform assessment of your HP products.  In some rare circumstances, based on your particular configuration and applications, you may encounter a DST issue that HP or your third party software vendor has not addressed, if so please contact HP Support.  This site is subject to change.  Please check back for updates.


 


HP Product Assessment of U.S. 2007 DST Impact

» Software

» Hardware

» Networking

Storage

» Management Software

Product

DST Summary for Product

Disk Storage

All-in-One Storage Systems Customer Notice c00855451
ProLiant Storage Servers Customer Notice c00855451
StorageWorks Enterprise File Services Clustered Gateway Customer Notice c00855349
StorageWorks Enterprise File Services WAN Accelerator Customer Notice c00869241
StorageWorks Virtual Array (VA) No DST Impact
StorageWorks Enterprise Modular Array Indirect DST Impact
StorageWorks Enterprise Virtual Array (EVA) No DST Impact
StorageWorks Modular Smart Array (MSA) Indirect DST Impact
StorageWorks XP Disk Array No DST Impact
Indirect DST Impact

HP’s Storage products rely on the host Operating System and Java Runtime Environment (JRE) for clock information. Please ensure that your host operating system and any client JREs are updated to the latest DST rules. Otherwise, your timestamp could be off by one hour.

Please review all appropriate Operating System Daylight Saving Time information found on our website: http://h10072.www1.hp.com/dst/ or refer to the appropriate OS and JRE providers’ website, depending on your environment.

   

Storage Software

StorageWorks Business Copy EVA No DST Impact
StorageWorks Replication Solutions Manager (User Interface for Business Copy) Customer Notice c00873011
StorageWorks Cluster Extension EVA No DST Impact
StorageWorks Cluster Extension XP Software No DST Impact
StorageWorks Command View EVA Customer Notice c00866054
StorageWorks Command View XP Indirect DST Impact
StorageWorks Command View XP AE (Advanced Edition) Customer Notice c00859853
StorageWorks Command View SDM Indirect DST Impact
StorageWorks Continuous Access EVA Software No DST Impact
StorageWorks Continuous Information Capture Solution Indirect DST Impact
OpenView Storage Data Protector Software Indirect DST Impact
StorageWorks Data Protector Express Software No DST Impact
HP OpenView Storage Media Operations No DST Impact
StorageWorks Fast Recovery Solution (FRS) XP No DST Impact
StorageWorks Fast Recovery Solution (FRS) EVA Software Indirect DST Impact
StorageWorks Secure Path No DST Impact
OpenView Storage Area Manager Customer Notice c00858261
OpenView Storage Management Appliance Customer Notice c00852579
StorageWorks Storage Mirroring Software Indirect DST Impact
Storage Essentials Customer Notice c00854368
OpenView Storage Virtual Replicator Software No DST Impact
StorageWorks Performance Advisor XP Software Indirect DST Impact
Indirect DST Impact

HP’s Storage products rely on the host Operating System and Java Runtime Environment (JRE) for clock information. Please ensure that your host operating system and any client JREs are updated to the latest DST rules. Otherwise, your timestamp could be off by one hour.

Please review all appropriate Operating System Daylight Saving Time information found on our website: http://h10072.www1.hp.com/dst/ or refer to the appropriate OS and JRE providers’ website, depending on your environment.

   

Tape Storage and Media

StorageWorks MSL Tape Libraries No DST Impact
StorageWorks Command View for Tape Libraries No DST Impact
StorageWorks Enterprise Backup Solution (EBS) No DST Impact
StorageWorks EML E-Series Tape Libraries No DST Impact
StorageWorks ESL E-Series Tape Libraries No DST Impact
StorageWorks Autoloaders No DST Impact
Virtual Library System (VLS) No DST Impact
Indirect DST Impact

HP’s Storage products rely on the host Operating System and Java Runtime Environment (JRE) for clock information. Please ensure that your host operating system and any client JREs are updated to the latest DST rules. Otherwise, your timestamp could be off by one hour.

Please review all appropriate Operating System Daylight Saving Time information found on our website: http://h10072.www1.hp.com/dst/ or refer to the appropriate OS and JRE providers’ website, depending on your environment.

   

Storage Archiving

StorageWorks File Migration Agent Software No DST Impact
StorageWorks File System Extender Software No DST Impact
Medical Archive Solution Customer Notice c00863010
Reference Information Manager for Databases Customer Notice c00860672
Reference Information Manager for Messaging (Exchange) Customer Notice c00858727
Reference Information Manager for Messaging (Domino) Customer Notice c00858813
Reference Information Storage System Customer Notice c00871548
Indirect DST Impact

HP’s Storage products rely on the host Operating System and Java Runtime Environment (JRE) for clock information. Please ensure that your host operating system and any client JREs are updated to the latest DST rules. Otherwise, your timestamp could be off by one hour.

Please review all appropriate Operating System Daylight Saving Time information found on our website: http://h10072.www1.hp.com/dst/ or refer to the appropriate OS and JRE providers’ website, depending on your environment.

   

Storage Networking

Multi-Protocol Routers and Gateways No DST Impact
B-Series Switches Customer Notice c00875400
C-Series Switches No DST Impact
M-Series Switches No DST Impact
Indirect DST Impact

HP’s Storage products rely on the host Operating System and Java Runtime Environment (JRE) for clock information. Please ensure that your host operating system and any client JREs are updated to the latest DST rules. Otherwise, your timestamp could be off by one hour.

Please review all appropriate Operating System Daylight Saving Time information found on our website: http://h10072.www1.hp.com/dst/ or refer to the appropriate OS and JRE providers’ website, depending on your environment.

   
HP is a trademark of Hewlett-Packard Development Company, L.P. © Copyright 2007 Hewlett-Packard Development Company, L.P. HP shall not be liable for technical or editorial errors or omissions contained in this document. The material contained herein is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP nor its affiliates will be liable for direct, indirect, incidental, special or consequential damages including downtime cost; damages relating to the procurement of substitute products or services; damages for loss of data; or software restoration. The recommendations included here do not create any additional warranty or guarantee by Hewlett-Packard and are subject to change without notification.   

 
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