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Browse Journals & Magazines > IBM Journal of Research and D ...> Volume:53 Issue:1 Help

Capacity on Demand advancements on the IBM System z10

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11 Author(s)
Axnix, C. ; IBM Systems and Technology Group, IBM Development Laboratory Boeblingen, Schoenaicherstrasse 220, 71031, Germany ; Birtles, J.R. ; Groetzner, M. ; Hardt, F.
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Capacity on Demand (CoD), a key feature of the IBM System z® platform, allows customers to adjust their processing and memory capacity to their specific needs without having to shut down and restart the machine and with no interruption to the complete software stack running on it. The first System z CoD functions, introduced with the IBM S/390 Parallel Enterprise Server™ 9672 G5 in 1998, were concurrent upgrade on demand for permanent capacity and capacity back up for temporary capacity. Since then, the functionality has been continuously enhanced, but CoD still had a number of limitations that needed to be addressed to better meet customer requirements. The IBM System z10™ platform introduces a completely new architecture for CoD that provides more flexibility, granularity, and responsiveness. In addition, the System z10 platform provides an enhanced set of CoD application programming interfaces for use by systems management or automation software. This paper describes the new capabilities from both a business and a customer perspective as well as from a technical perspective.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:
IBM Journal of Research and Development  (Volume:53 ,  Issue: 1 )

Date of Publication: Jan. 2009

Page(s):
15:1 - 15:12
ISSN :
0018-8646
Digital Object Identifier :
10.1147/JRD.2009.5388571
Product Type:
Journals & Magazines
Date of Current Version :
06 April 2010
Issue Date :
Jan. 2009
Sponsored by :
IBM

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