Cheryl Watson’s Tuning Letter
Cheryl’s List #163 – December 10, 2012
1. About Cheryl Watson's Tuning Letter 2012 No. 4 2. About Cheryl Watson's System z CPU Chart - August 2012 3. In Memory 4. Congratulations 1. About Cheryl Watson's Tuning Letter 2012 No. 4 The 52-page 2012 No. 3 Tuning Letter was emailed to paid subscribers on October 1, 2012. You may visit our website at www.watsonwalker.com to obtain subscription information and the table of contents. The following is the Management Summary from that issue, talking about some of the contents of...
Cheryl’s List #162 – August 30, 2012
1. New IBM Mainframes 2. Cheryl Watson's CPU Chart 1. New IBM Mainframes IBM announced today the successor to the z196. It's called the zEnterprise EC12 or zEC12, and covers a range from 240 MIPS to over 78,000 MIPS in 161 models. The '12' in the name refers to the 12th generation of mainframes. IBM provides three sub-capacity models (4xx, 5xx, and 6xx) with 20 machines in each model line, and a full-capacity model (7xx) that has 101 machines ranging from 1 to 101 CPs. The speed of a...
Cheryl’s List #161 – August 15, 2012
1. SHARE MVS Program Survey 2. SHARE in Anaheim 3. New eBook and More from NewEra Software 4. IBM Education Assistant 5. Typo in last Tuning Letter 1. SHARE MVS Program Survey We extended the SHARE MVS Program Survey for another week, and it will remain open until this Friday, August 17th. We described the survey and the benefits of taking it in our last Cheryl's List #160. If you have time, please join the MVS Program and take our survey. We'll summarize the results and will notify...
Cheryl’s List #160 – July 26, 2012
1. About Cheryl Watson's Tuning Letter 2012 No. 3 2. SHARE MVS Program Survey 3. SHARE in Anaheim 1. About Cheryl Watson's Tuning Letter 2012 No. 3 The 42-page 2012 No. 3 Tuning Letter was emailed to paid subscribers on July 13, 2012. You may visit our website at www.watsonwalker.com to obtain subscription information and the table of contents. The following is the Management Summary from that issue, talking about some of the contents of this latest Tuning Letter: Outsourced? If your...
Cheryl’s List #159 – June 30, 2012
1. New Red Alert - Potential Loss of SPOOL Data 2. Real Storage Management (RSM) Problem 1. New Red Alert - Potential Loss of SPOOL Data 2011.06.29 - JES2 Potential Loss of Spool Data on z/OS 1.11 and 1.12. The fix for APAR OA36256 (RSU1112 PTFs UA61942, UA61943 UA61944 on HJE7760, HJE7770, and HJE7780 respectively) widened a timing window during JES2 initialization processing such that an initializing JES2 member may not obtain the correct status of other multi-access spool (MAS)...
Cheryl’s List #158 – May 30, 2012
1. About Cheryl Watson's Tuning Letter 2012 No. 2 2. New Publishing Schedule 3. Cheryl's Hot Flashes in Atlanta 4. New LinkedIn Forums 1. Cheryl Watson's Tuning Letter 2012 No. 2 The 57-page 2012 No. 2 Tuning Letter was emailed to paid subscribers on May 16, 2012. You may visit our website at www.watsonwalker.com to obtain subscription information and the table of contents. The following is the Management Summary from that issue, talking about some of the contents of this latest...
Cheryl’s List #157 – March 12, 2012
1. Great z/OS News From IBM 2. Cheryl Watson's Tuning Letter 2012 No. 1 3. SHARE in Atlanta 1. Great z/OS News From IBM Today at SHARE, Jeff Magdall, z/OS Program Leader from IBM, described an upcoming SOD (Statement of Direction) for z/OS. Starting with z/OS 1.13, z/OS releases will now be available every other year instead of every year. That means that the next release of z/OS will be the second half of 2013 (not September 2012, as expected). I think this is terrific news for our...
Cheryl’s List #156 – January 12, 2012
1. Cheryl Watson's Tuning Letter 2011 No. 6 2. Correction to Tuning Letter 2011 No. 6 3. RSM Problem? 4. HIPER APARs for DS8700/DS8800s 1. Cheryl Watson's Tuning Letter 2011 No. 6 The 40-page 2011 No. 6 Tuning Letter was emailed to paid subscribers on December 29, 2011. You may visit our website at www.watsonwalker.com to obtain subscription information and the table of contents. The following is the Management Summary from that issue, talking about some of the contents of this latest...
Cheryl’s List #155 – December 21, 2011
1. Cheryl Watson's Tuning Letter 2011 No. 5 2. Correction to Tuning Letter 2011 No. 5 3. RSM Problem? 4. Two IBM Red Alerts 1. Cheryl Watson's Tunig Letter 2011 No. 5 The 41-page 2011 No. 5 Tuning Letter was emailed to paid subscribers on December 20, 2011. You may visit our website at www.watsonwalker.com to obtain subscription information and the table of contents. The following is the Management Summary from that issue, talking about some of the contents of this latest Tuning Letter: z/OS...
Cheryl’s List #154 – December 5, 2011
1. Correction for BPXPRMxx Recommendation 2. Caution on APAR for DB2 V10 3. Feedback on z114 Machines 4. Request for Experiences with PFA 5. Cheryl Watson's Tuning Letter 2011 No. 5 6. Last Update on zPrime 1. Correction for BPXPRMxx Recommendation In our Tuning Letter 2010 No. 6 (page 11), we made a recommendation that you should set the value of MAXFILEPROC to 1024, because that's what was added to the IBM Initialization and Tuning Reference manual in z/OS 1.9. It wasn't until z/OS 1.13...