Description:
IBM Mainframe Discussion List
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VSAM CA Splits, still a performance problem?
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Hello, In the old days,CA splits were quite detrimental to performance of VSAM applications. In today's world with lots of cache in modern DASD systems, are CA splits still a concern? Or should I just allocate KSDSs with FREESPC(00 00) and save the space? All thought appreciated. Barry. ------------------------------ ------------------------------ ----------... more »
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The "why" of the newer instructions?
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Responding to Benyamin Dissen's contention that "millicode should be way faster than open code", Edward Jaffe wrote ... This is certainly and tritely true; but, as EJ knows very well, millicode has available to it and uses other facilities that are not available to open code. Millicode is often, in my experience, significantly faster.... more »
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OS2 icons (semi OT)
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Disclaimer: This question regards 2074 device and PCOMM 3270 session icons - so it related to mainframe. <g> Now the problem: I need to configure several PCOMM sessions on 2074 desktop (local ones). (Caution: I already configured 2074 as a "server", now I'm talking about *client* sessions). I created several files.WS with definitions I need, I copied those files... more »
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FTP Issue
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Hi Guys... I have had some issue wwhile FTP and when used the DEBUG ALL ..got below messages..has anyone seen it before. MV0943 seq_create_file: entered with dsn=NBKEOEV.FTP.TST3 GU1720 logALLOC: entered GU1851 logALLOC: ALLOC error in routine seq_create_file GU1853 logALLOC: SVC99 ALLOC failed with rc... more »
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Writing Mainframe Executive article on IBM's System z Solution Series
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Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Antivirus: checked in 0.023sec at bama.ua.edu ([130.160.4.114]) by smf-clamd v1.2.1 - [link] IBM's System z Solution Series consists of seven integrated hardware, software and services packages that help customers deploy new enterprise... more »
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HMC issue
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I got below message in HMC during doing disruptive tasks an Hi All, I got below message in HMC during doing disruptive tasks and couldn't continue the task. I have to enter the SE to do the disruptive tasks, such as load.... Do you have any idea on it? Thanks! Message: The target does not have service status, but disruptive task in service role.... more »
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HMC Issue
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I got below message from HMC during performing disruptive ta Hi All, I got below message from HMC during performing disruptive tasks, such as 'Activate LPAR'. And I couldn't go ahead and have to click the 'single object operation' to enter the CEC to do such kind of operations. I don't know why it happened... Do you have any idea? Thanks!... more »
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CDE chain question
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Hi Assuming, prog1 loaded and BASRd to prog2. Assume prog2 loaded and BASRd to prog3. I am now in prog3. If I were to walk from the PSA into TCB, into RB, and looked at field RBCDE1, I go into the CDE. Which of the three modules will be mentioned in the CDE? Thanks
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Copy from JES2 to a file
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How can I copy a listing from JES2 to a file. I know in JES2 I can use SE to "edit" the ouput, but I'm not good enough with SDSF to know how to save that to a file somewhere.
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