Cheryl Watson’s Tuning Letter

1.  New IBM G6 Processors Yesterday (May 3rd), IBM announced their newest CMOS G6 processors, which provide a 32 to 54% improvement over the G5 models. The G6 models provide two series from 1-way machines to 12-way machines. The non-turbo model (9672-Xx7) is based on a 174 MIPS uni-processor and the turbo model (9672-Zx7) is based on a 201 MIPS uni-processor with a top end of 1614 MIPS. Although LSPR rates will not be published until June 15th, the estimated MP ratios look remarkably good...

In this issue, I'll cover the following: 1. Update on My Heart Attack 2. Clarification on LPARs 3. Important Y2K Web Site 4. Update to APARs in 1999, No. 1 Issue 5. HDS Trinium Series 6. Cheryl Watson's TUNING Letter, No. 1 Summary 7. Cheryl Watson's TUNING Letter, No. 2 Summary 1.  Update on My Heart Attack I just wanted to share my good news. After my heart attack, my heart pumping capacity or “ejection fraction” was 30-35% (70% is normal). That's why I said that I had lost 50% of my...

In this issue, I'll cover the just following: 1.  IBM's Change in Ordering for OS/390 R6 Last Wednesday, March 10, IBM released WSC Flash W99013 (OS/390 V2R6 Ordering Update). This flash announces that OS/390 R6 ordering will be reopened by May 28, 1999 for a further six month ordering period. That's very good news for OS/390 R2 and R3 sites that need R6 or lower for coexistence when they migrate to a later release. Most of you will have seen my Cheryl's List from February 24 about the...

In this issue, I'll cover the following: IBM Announcement In the last TUNING Letter, I suggested that people look at WSC Flash W98044, which recommends that multi-system customers be on OS/390 R2.5 by January 1, 2000. At SHARE this week, most of the speakers at the IBM OS/390 sessions are stressing the point that multi-system shops (this can be simply multi-LPARs) currently running R2 or R3 be sure to have OS/390 R6 ordered by March 6, 1999. You don't have to install it before 2000, just have...

In this issue, I'll cover the following: 1. Cheryl Watson's TUNING Letter, 1998, No. 6 Summary 2. Important APARs 3. Good Web Site 4. SHARE in SF 1.  Cheryl Watson's TUNING Letter, 1998, No. 6 The 1998, No. 6 TUNING Letter issue was mailed on February 11, 1999. The Management Issues section is included below to give you a sense of the scope and contents of the issue. The page numbers refer to pages in issue No. 6, of course. The TUNING Letter is a print-only product published six times a year,...

In this issue, I'll cover the following: 1.  My Heart Attack 2.  We're Moving 1. My Heart Attack If you were a subscriber to Cheryl’s List on December 10, you are aware that we were robbed at gunpoint in our home. See http://www.watsonwalker.com/clist17.html. At the time I wrote Cheryl's List #17 we were in the process of recovering.  I was experiencing shortness of breath. Tom, diagnosed with a torn rotator cuff, was just beginning physical therapy. The day after I wrote that Cheryl’s List, I...

In this issue, I'll cover the following: 1.  Some Excitement in Our Life 2.  Cheryl Watson's TUNING Letter, 1998, No. 5 Summary 3.  CPU Chart Mailed 1. Some Excitement in Our Life First of all, we'll be moving to different offices here in Sarasota sometime in January. As soon as we finalize our schedule, address, and new phone numbers, we'll let you know. Our email ids will remain the same, as will our 800-number (800-553-4562). But an even more disturbing event has taken place. Around noon on...

In this issue, I'll cover the following: 1.   Correction on HDS Processor 2.   Important Clarification on LE 3.   New Amdahl Processors 4.   Important Caution on Daylight Savings Time & Sysplex Timers 1. Correction on HDS Processor In our last Cheryl's List, we included some new HDS processors. The Pilot B8S model was listed as having 8 CPs. It should have said 11. 2. Important Clarification on LE In last week's Cheryl's List #15, I gave a summary of the contents of my TUNING Letter No. 4,...

In this issue, I'll cover the following: 1.   Hurricane Georges 2.   Processor Updates 3.   Cheryl Watson’s TUNING Letter, 1998, No. 4 Summary 4.   Request for Web Server Experiences 1. Hurricane Georges If you tried to call our office on September 24 or 25th, you would have found that we were forced to evacuate our office (and our homes) because of the threat of Hurricane Georges. We were very lucky in Sarasota, and it totally missed us. But we spent three days preparing for it, including...

In this issue, I'll cover the following: 1. Nifty Updates to Our Web Page:      Link of the Week and Getting to Goal Mode We’ve just added two items to our home page. The first is a LINK OF THE WEEK. Each week I’ll write about an interesting OS/390 site. The second new item is an article called “Getting to Goal Mode – Step by Step”; it’s a short list of the mechanics of getting goal mode implemented in a test environment (e.g. how to build the couple data sets). 2. Latest Processor News...