November 2001
Intermediate to advanced
158 pages
5h 10m
English
Content preview from IBM ESS and IBM DB2 UDB Working Together
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52 IBM ESS and IBM DB2 UDB Working Together
4.2 How to size the disk and CPU
Knowing how much storage space is required and what your throughput requirements and
workload are like is a great start. From there you will need to understand the capabilities of
the ESS system, as well as the host system to which it will be attached.
4.2.1 ESS throughput capabilities
Once you have determined what your throughput requirements are, you should determine
how many of the various ESS components (disk arms, arrays, disk adapters, clusters) will be
be required to achieve that rate. Throughput rates for the ESS can be found at:
http://w3.rmss.storage.ibm.com/hardsoft/products/ess/whitepaper.htm
Please refer to your IBM Storage System Specialist if you do not ...
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