Cheryl Watson’s Tuning Letter
Cheryl’s List #83 – January 9, 2004
1. Cheryl Watson's TUNING Letter 2003, No. 5 2. Request for z990 Experiences 1. Cheryl Watson's TUNING Letter 2003, No. 5 The forty-two page 2003, No. 5 TUNING Letter was emailed to electronic subscribers today (January 9). The print issues will be mailed next week. You can purchase a printed copy of the current TUNING Letter for $95 at http://www.watsonwalker.com. The following highlights some of what you can find in this latest TUNING Letter. IRD CPU Management The concept of the zSeries...
Cheryl’s List #82 – September 26, 2003
Cheryl Watson's TUNING Letter 2003, No. 4 has been sent out. The fifty-two page 2003, No. 4 TUNING Letter was emailed to electronic subscribers today (September 26). The print issues will be mailed next week. You can purchase a printed copy of the current TUNING Letter for $95 at http://www.watsonwalker.com . The following, from page one, highlights some of what you can find in our latest TUNING Letter. What is System Managed Buffering (SMB), what can it buy you and how do you implement...
Cheryl’s List #81 – September 19, 2003
1. Updated zSeries CPU Chart 2. IBM Software Pricing 3. Software Pricing Observations 4. Technical Staff and Software Evaluations 5. APAR Correction 1. Updated zSeries CPU Chart We've just completed a new September 2003 zSeries CPU Chart and have emailed it to electronic subscribers today. It includes the new software pricing MSUs (described in the next item) and an update to the architectural level set for the z-machines. We strongly suggest (and hope) that independent software...
Cheryl’s List #80 – August 6, 2003
1. End of Service Dates IBM issued a very important announcement yesterday (to view #903-149 - go to http://www.ibm.com/news and pick Announcement letters at the left, then pick Announcements search at the left and enter the announcement number). They announced end-of-service (EOS) dates for OS/390 and z/OS R2 through R4, along with several other products. The Web site for EOS dates can be found at http://www.ibm.com/zseries/zos/support/zos_eos_dates.html. This information was also...
Cheryl’s List #79 – July 3, 2003
New Migration Offering Cheryl Watson's TUNING Letter 2003, No. 3 1. New Migration Offering We understand that IBM and IBM business partners are providing an exceptionally attractive migration offering to customers who are running on non-zSeries machines. The intention is to move customers from older systems to the current zSeries machines running z/OS. The offer only applies to customers on stand-alone non-zSeries machines, between 235 and 1500 MIPS and who are running OS/390. Even if you...
Cheryl’s List #78 – May 29, 2003
Cheryl Watson's zSeries CPU Chart Clarification on Cheryl's List #77 1. Cheryl Watson's zSeries CPU Chart Our May 2003 zSeries CPU Chart, which contains the latest zSeries processors, was sent out today to electronic subscribers. The chart will be mailed to print subscribers on June 9. If you're a print subscriber and need the information before then, please send your company, name and fax number to admin at watsonwalker.com. 2. Clarification of Cheryl's List #77 In the last Cheryl's List,...
Cheryl’s List #77 – May 14, 2003
IBM Announces New z990 Processors New Pricing Options z/OS Enhancements Enhancements to ESS Copy Services The Next Cheryl Watson's TUNING Letter, CPU Chart and BoxScore Release 1. IBM Announces New z990 Processors Yesterday, IBM announced a high-end extension to the zSeries processor family - the z990, available in 32 models. See announcement 103-142 at http://www.ibm.com/news. Depending on the configuration, the estimated performance delivered by the processor will range from 450 to more...
Cheryl’s List #76 – April 10, 2003
1. Updated Quickstart Policy 2. Cheryl Watson's TUNING Letter 2003, No. 2 1. Updated Quickstart Policy We've recently updated Cheryl Watson's Quickstart Policy on our Web site. This downloadable service policy has been used in hundreds of installations as an easy way to move into WLM goal mode. There are still installations that haven't made the move, so we felt we should update the policy. The new policy will work only for installations running OS/390 R10 or z/OS. You can find it at...
Cheryl’s List #75 – March 12, 2003
1. Why Are You Still Running OS/390 R10? 2. z/Architecture Terminology 3. Cheryl Watson's TUNING Letter 2003, No. 1 Summary 4. TUNING Letter Updates 5. Updates to Our December 2002 CPU Chart 6. New z/OS RSU APAR 1. Why Are You Still Running OS/390 R10? We were absolutely shocked at SHARE to find that the majority of installations are still running OS/390 R10 in a production environment. We strongly recommend that you migrate to z/OS 1.4 (the latest release) as soon as possible. For...
Cheryl’s List #74 – January 14, 2003
1. SHARE Proceedings (almost) Available 2. Cheryl Watson's TUNING Letter 2002, No. 6 Summary 3. Cheryl Watson's TUNING Letter 2002, No. 6 - GRS Update 1. SHARE Proceedings (almost) Available SHARE has published the proceedings from the San Francisco August conference on their Web site at http://www.share.org. We don't know what went wrong, but you can't easily select by speaker. Some of the speakers are listed by last name only, some by first name only, and some can be found under first or...