31.08.2015 Views

Version 15.1 User’s Manual

Version 15.1 User's Manual - Midrange Performance Group

Version 15.1 User's Manual - Midrange Performance Group

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Before vs After—Measuring HA (Role Swap) Environments<br />

Multiple System Before vs. After - Day vs. Day Analysis<br />

Understanding The Output—Performance Management Data<br />

Here we show an example of the output...Looking at the faulting rate on each system:<br />

Notice we show numerous things on each page:<br />

First, the left JPG is our “Before” system 1 being analyzed. The Right JPG is our AFTER system<br />

(1) Shows that our production system (AHIPRD02) was analyzed on Wednesday, Feb 16th<br />

(2) Shows that our HA system (R2IHA01) was analyzed on Wednesday, Mar 16th<br />

(3) Shows (A) - Average / Peak disk arm % for Production (AHIPRD02) for the period measured<br />

(B) - Average / Peak disk arm % for HA (R2IHA01) for the period measured<br />

(c) - Indicated the percentage of change difference when comparing both systems<br />

Next we introduce multiple system Before vs. After Job Analysis—See Next Page<br />

<strong>Version</strong> 15 User <strong>Manual</strong> Page 219 Oct 2011

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!