Cheryl Watson’s Tuning Letter

1. CPU Chart Correction 2. New Free Newsletters 3. Update on z800s 4. Cheryl's Hot Flashes #7 1.  CPU Chart Correction The CPU Chart that was emailed to electronic subscribers on February 28th had two typos in it.  These have been corrected in the printed version, which will be mailed today.  A new CPU Chart will be emailed to electronic subscribers within the next couple of days. Dave Murphy pointed out that I had used 'Large System Performance Ratings' instead of 'Large System Performance...

1. New List Server 2. We're Back and SHARE! 3. CD-ROMs Shipped 4. IBM Announces z800s 1.  New List Server As you've probably noticed due to recent emails from us, we've changed the list server software we use for Cheryl's List.  You've already been added to our new list, and that generated an additional email that was sent to you.  The new list server will be easier for us to manage and for you to change your options.  The archives will continue to be available only...

1. Update Here is another update for our 2001, No. 6 TUNING Letter: Normal Hollander of Candle noted that there is a typo in the URL for the Parallel Sysplex White Paper on page 11.  The correct URL is: http://www-1.ibm.com/servers/esdd/articles/para_sysplex.html Stay tuned!

1. Updates 2. Cheryl Watson's TUNING Letter 2001, No. 6 Summary 3.  CD-ROM 4.  Vacation Time 1. Updates a.  Here is an update for our 2001, No. 6 TUNING Letter:  On page 35, in Figure 19, the last line shows a % increase in size of 0.2142.  It should be 21.42.  This will be corrected in the hard copy and CD-ROM, but is incorrect in the electronic version. b.  Jerry Urbaniak of Acxiom CDC Inc. pointed out that APAR OW45117 was finally closed on 11/27/01 for OS/390 R6 and later.  (It was opened...

1. Updates 2. Cheryl Watson's TUNING Letter 2001, No. 5 Summary 3. Happy Holidays! 1. Updates Here are two updates for our 2001, No. 5 TUNING Letter: Brian Currah of BDC Computer Services, Inc. pointed out that on page 6 the reference to APAR OW48268 for FICON and I/O priority should have specified APAR OW47845 instead.  This will be corrected in the print version, but has already been sent to our electronic subscribers. On page 5, I complained that there had been no action on two APARs...

1. Corrections 2. Software Price Assurance 3. We're off to the mountains 1. Corrections Here are a few typos that were present in our 2001, No. 4 TUNING Letter: Jerry Urbaniak of Acxiom pointed out that on page 29 the reference to APAR OW44945 for LISTDATA maintenance should have specified APAR OW42945 instead. Carl Wade McBurnie, an independent consultant, pointed out the following:  On page 50, there's a reference to CICS transactions that start with 'DFH'.  They start with 'C', not 'DFH',...

As we said in our newsletter, the events of September 11th shocked and saddened us all.  Our hearts and minds are with all those affected.  Some of our readers in the Middle East have written to remind us that the terrorists do not represent their faith of Islam. We understand, and we hope that our government's response will be measured and precise, bringing those responsible to justice without further loss of innocent life. 1. Corrections 2. Cheryl Watson's TUNING Letter 2001, No. 4 1....

1. z/OS Correction 2. Cheryl Watson's TUNING Letter 2001, No. 3 1. z/OS Correction Thanks to Kent Ramsay of webMethods, Inc. for pointing out two typos in this issue of the TUNING Letter. (Note - these corrections were made to the print copy, but did not make it into the email copy.) On page 3, "Elsewhere in the Issue", the last release for compat mode is z/OS 1.2, not OS/390 1.2. On page 17, (third bullet) the reference to OS/390 V1R3 should be z/OS V1R3. 2. Cheryl Watson's TUNING Letter...

1. See You at SHARE! 2. WLM I/O Priority 3. Update to January 2001 CPU Chart 4. Cheryl Watson's TUNING Letter 2001, No. 3 1. See You at SHARE! Next week is SHARE in Minneapolis. I'll be giving my "Hot Flashes" on Friday morning at 9:30am (session 2543). Hope to see you sometime during the week. Please say hello. I tend to go to most of the sessions sponsored by the EWCP project (Enterprise Wide Capacity and Planning), because of their focus on performance. If you haven't considered joining the...

1. Java URL Correction 2. New Enclave APAR 3. Cheryl Watson's TUNING Letter 2001, No. 2 1. Java URL Correction Andreas Steinberg noted that our link to the Java DeveloperWorks URL mentioned on page 28 is no longer active. You should use: http://www.ibm.com/developerworks/java. 2. New Enclave APAR Greg Dyck of IBM's z/OS Core Technology Design team points out the following: "APAR OW49428 (open) was just created to correct invalid counts for ASCBTCBS and ASCBTCBE in address spaces that use TCB...