Hi: Resource Name = 16 bytes Resource Type = 8 bytes Regards, Gene In a message dated 3/2/2011 10:27:10 A.M. Eastern Standard Time, [email protected] writes:
Hi, While I don’t have access to Tmon, I am amazed that it doesn’t display the Dispatcher Task Summary Table the same as Omegamon does. This display is fundamental to any CICS monitor as this gives a list of all the tasks that are currently dispatched. This table displays all the Tasks currently dispatched in CICS (both System and User) and both the Resource type and Resource name for each task. These two 8 byte fields are taken from each Tasks DTA (Dispatcher Task Area) and these live in the Dispatcher Domain. I would consider that when you get your problem, issue a CEMT PERFORM DUMP. Then load the dump into IPCS and issue a VERBX command of DS=1 This should give you the Dispatcher Task Summary Table and from there you can see what your tasks are waiting on. Colin Pearce -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of ??? Sent: Wednesday, March 02, 2011 9:28 PM To: [email protected] Subject: Re: ZCIOWAIT message The ZCIOWAIT Resource Name is not given in Tmon, so I am not sure what is kind of resource the task waiting. The task is shipping record to another CICS region. So I guess first maybe the cics setting have some problem, second the program in another region response slowly. Is it possible CICS setting problem? At 2011-03-02 04:05:24，"Pearce, Colin E" <[email protected]> wrote: >Hi, > >ZCIOWAIT defines the type of Resource the task is waiting on. There is a Resource Name which defines what this type of Resource is. For example if the transaction is in Conversation mode and waiting for a response from the User, then the Resource Type will be ZCIOWAIT and Resource Name will be DFHZARQ1 which is CICS VTAM Terminal Control Application Request handler. Effectively the User has issued an E C SEND WAIT > >If the Resource Type is ZCIOWAIT and the Resource Name is DFHZARR1 this is a Receive within LU6.2 protocol, a Receive is waiting on more data to be sent. > >If the Resource Type is ZCIOWAIT and the Resource Name is DFHZERH1 this is when there is a need to handle the sending and receiving of FMH7s (Function Management Headers) and negative responses within LU6.2. This may have something to do with a Security failure. > >There are other ZCIOWAIT reasons. The Resource Names are given in Omegamon and Tmon. They can also be found in a CICS Trace as well as a dump. > >The CICS/TS Problem Determination Guide has all the Wait reasons for >ZCIOWAIT The CICS/TS Diagnostic Guide lists the Resource Types and Resource Names and the modules that get invoked when these conditions occur. They will give you more information about where you are and why your waiting. > > >Colin Pearce > >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of ??? >Sent: Tuesday, March 01, 2011 7:10 PM >To: [email protected] >Subject: Re: ZCIOWAIT message > >Thomas > >Your advice is very useful for me, thanks a lot. > > >At 2011-02-28 21:04:15，"Thomas Dunlap" <[email protected]> wrote: > >>Eric, >> >>ZCIOWAIT indicates VTAM terminal control wait. My first guess is that >>you are function shipping to another CICS region using VTAM >>connections between the regions and you are looking at the front-end transaction. >>In this case this is a normal situation. As for optimizing, it is >>really dependent upon the function the back-end region. Improve the >>task in the back-end region and you will shorten the wait in the front-end. >> >>-- >> >>Regards, >>Thomas Dunlap Chief Technology Officer [email protected] >>Themis, Inc. http://www.themisinc.com 1 (800) 756-3000 >> >> >>On 2/28/2011 5:52 AM, Eric JL wrote: >>> When I run a CICS trans, it is use for DB2 select update, found it >>> spend a lot of time on ZCIOWAIT. Is this a problem? How can I optimize it. >>> >>> The trans dump >>> DATE TIME JOBNAME TRANID TASK# TERMID RESP CPU PAGING ILEIO >>> 02/24 00:00:01 CICSA TR68 85748 111.097 0.2186 0 727 >>> 02/24 00:00:02 CICSA TR68 87201 0.0346 0.0074 0 17 >>> 02/24 00:00:29 CICSA TR68 87583 1.1215 0.1548 0 473 >>> 02/24 00:00:51 CICSA TR68 85748 50.6486 0.3856 0 1,162 >>> >>> >>> TR68 #85748 >>> >>> RES TYPE RES NAME WT CNT WT TIME % OF RESPONSE >>> CHANGE PRIOPRITY 60 0.0086 0.00 >>> SWITCH TCB 1,454 0.03320 0.29 >>> WAIT W/O ID 3 0.0039 0.00 >>> WAIT FOR REDSPTCH 1,578 0.3363 0.30 >>> ZCIOWAIT 63 1:50.1226 99.12 >>> 1ST DISPATCH 1 0.0001 0.00 >>> >>> -------------------------------------------------------------------- >>> - >>> - For IBM-MAIN subscribe / signoff / archive access instructions, >>> send email to [email protected] with the message: GET IBM-MAIN >>> INFO Search the archives at >>> http://bama.ua.edu/archives/ibm-main.html >>> >> >>---------------------------------------------------------------------- >>For IBM-MAIN subscribe / signoff / archive access instructions, send >>email to [email protected] with the message: GET IBM-MAIN INFO >>Search the archives at http://bama.ua.edu/archives/ibm-main.html > >---------------------------------------------------------------------- >This message w/attachments (message) is intended solely for the use of the intended recipient(s) and may contain information that is privileged, confidential or proprietary. 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