Thursday, September 23, 2021

Table of Contents

Executive Summary

Brief History of
HP-UX and HP 9000

The Math behind
Server Consolidation

Data Collection Strategy

Users Compare HP Integrity
Servers to HP 9000 Servers

Consolidation Scenarios

The Two Sides of
the TCU Equation

Up-Front Costs Associated
with an Consolidation

Ongoing Savings Resulting
from an Consolidation

Cash Flow Analysis for
Consolidations #1 and #2

Cash Flow Analysis for
Consolidations #3 and #4

Oracle Users May Benefit
Even More from
Server Consolidation


The Benefits of Using HP Integrity Servers to Consolidate HP 9000 Servers

A Detailed Analysis of the Potential Benefits of Using Consolidation and Server Virtualization when Upgrading HP-UX environments from HP 9000 servers to HP Integrity servers. (August 2007)

HP has been shipping HP 9000® servers with PA-RISC® microprocessors since about 1990. Since that time, nearly 100 different models of servers have been introduced ranging from single-CPU entry-level machines to enterprise-class Superdome® models that support 128 cores. Today, thousands of companies worldwide rely on HP 9000 servers and the HP-UX® operating system as key components of their IT infrastructure. Several years ago HP made a strategic decision to consolidate its high performance server product line by replacing servers based on PA-RISC and Alpha® chips with HP Integrity® servers (which are based on Intel’s® Itanium® processor). HP's current plans are to continue selling HP 9000 systems until at least December 2008. Furthermore, HP has made a commitment to support these systems for at least five years after the last ship date if running HP-UX 11i V1 or V2. Support for V3 will continue for at least a further year. This extended support, combined with the reliability of HP 9000 servers, means customers can continue to rely on their systems through the year 2013 and beyond. Customers using HP 9000 servers, therefore, do not have to switch their systems out of necessity. However, one of HP’s main reasons for moving to Integrity was to have the ability to offer higher performance servers at much lower prices (due to standardizing on the Itanium chip). Integrity's superior performance gives customers the opportunity to consolidate multiple HP 9000 servers into fewer HP Integrity servers.

There are several key benefits to server consolidation beyond the resulting obvious simplification of IT assets. Over the past few years many companies have turned to server consolidation to help control server crawl (i.e., rapidly growing number of servers in their organization) and to meet their growing IT processing needs. This paper provides a detailed Total Cost of UpgradeTM, or TCUTM, analysis for consolidating multiple HP 9000 servers running HP-UX into fewer HP Integrity servers. It is based on data collected from actual customers who have upgraded HP 9000 servers to HP Integrity servers, as well as current system and service pricing. This paper quantifies the costs and benefits from these consolidations and provides detailed cash flow analyses for four different scenarios. The analyses shows that in 3 out of four scenarios studied, using HP Integrity servers to consolidate multiple HP 9000 servers running HP-UX pays for itself in 9 months or less. In fact, it is possible to consolidate 8 high-end HP 9000 rp8420 servers into just 2 Integrity rx8640 servers with vPars and gWLM and have the consolidation pay for itself in just 9 months. Due to the high performance and low cost of HP Integrity Blade servers, and the functionality of Integrity Virtual Machine, it is possible to consolidate 8 HP 9000 servers into 2 Integrity Blades and have the consolidation pay for itself in just 5 months. The remaining consolidation scenario studied also had an attractive payback period of just 17 months.

TechWise® Research surveyed a total of 232 IT managers in the U.S. and in Europe who work with HP-UX environments running on HP 9000 and HP Integrity servers. These respondents manage a total of 6,123 HP 9000 servers and 1,384 HP Integrity servers. The surveys were designed to understand how the Integrity servers are performing compared to the HP 9000 servers on a variety of attributes. TechWise also utilized system pricing data from IDEAS International, and obtained performance data from HP for the analyses. The analyses discovered multiple benefits to server consolidation with HP Integrity servers including reductions in service costs, management time, floor space requirements, energy use, and cooling costs. These consolidations also enable companies to utilize the latest technology and offer the opportunity for significant reductions in Oracle support costs.

HP offers several server virtualization technologies that enable companies to use their server resources more efficiently. These include HP's virtual partitions (vPars), Global Workload Manager (gWLM), and Integrity Virtual Machine (Integrity VM). By cutting the number of Integrity servers needed to implement a consolidation in half, vPars, gWLM, and Integrity VM make consolidations on Integrity even more financially attractive.

Each company that uses HP 9000 servers has a unique situation and decision criteria when it comes to consolidating multiple HP 9000 servers into fewer HP Integrity servers. This paper shows that the age-old adage of "if it ain't broke, don't fix it" will not apply in most cases. The payback periods are too short, and the financial savings too great, for most companies with multiple HP 9000 servers to ignore the consolidation opportunity. HP has taken steps to make the upgrade/consolidation decision easier for its customers by providing technical and financial assistance. Details of these programs may be found on HP's website at: The results from 232 customer surveys show that the majority of companies view Integrity servers to be as good, or better, than HP 9000 servers. This study also shows that HP-UX on Integrity is just as easy to manage and reliable as HP-UX on HP 9000. Any company that has more than a couple of HP 9000 servers installed should seriously consider consolidating these servers into HP Integrity. The consolidation has the potential to pay for itself quickly, lower annual support, operating, and energy costs significantly, and improve system performance dramatically. Furthermore, the ongoing savings from the consolidation may be used to purchase additional hardware or invest in incremental application development.

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