Re: Determining if DUMMY allocation

-Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Charles Mills Sent: Tuesday, February 23, 2010 7:09 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation I wasn't picking on JES3 specifically or any one aspect of t

Re: Determining if DUMMY allocation

ua.edu] On Behalf Of Thompson, Steve Sent: Tuesday, February 23, 2010 4:59 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Charles Mills Sent: Tuesday, February 23, 2010

Re: Determining if DUMMY allocation

-Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Charles Mills Sent: Tuesday, February 23, 2010 6:14 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation I contract with such an ISV. We are using IBM Dallas. Our

Re: Determining if DUMMY allocation

I will file this for future reference. Thanks much! Charles -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Edward Jaffe Sent: Tuesday, February 23, 2010 4:31 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation

Re: Determining if DUMMY allocation

Charles Mills wrote: I contract with such an ISV. We are using IBM Dallas. Our development virtual machine has JES2 only. I suppose I could ask for JES3 -- is that your impression? It would be somewhat down on the priorities at this point, but it's good to know if so. We can take this off-line if

Re: Determining if DUMMY allocation

think you can see and perhaps have my e-mail address. Charles -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Edward Jaffe Sent: Tuesday, February 23, 2010 3:41 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation Ch

Re: Determining if DUMMY allocation

Charles Mills wrote: I don't have a copy laying around, if that's what you mean. Sorry. For some reason I thought you worked for an ISV that was part of PWD and ADCD and/or Dallas development programs. Maybe that was your former employer... -- Edward E Jaffe Phoenix Software Internationa

Re: Determining if DUMMY allocation

I don't have a copy laying around, if that's what you mean. Charles -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Edward Jaffe Sent: Tuesday, February 23, 2010 3:32 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determinin

Re: Determining if DUMMY allocation

Charles Mills wrote: It's "product" code that will be shipped to multiple customers, many of which will have MVS environments under which I will not be able to test, such as JES3. You can't test under JES3? -- Edward E Jaffe Phoenix Software International, Inc 831 Parkview Drive North El Se

Re: Determining if DUMMY allocation

-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation In , on 02/16/2010 at 06:32 AM, "Jousma, David" said: >We only look at SORTIN. Not what I asked. Do you really want to treat SYSIN data sets as DUMMY when they are in the SORTIN concatenation? Because that's

Re: Determining if DUMMY allocation

In , on 02/16/2010 at 06:32 AM, "Jousma, David" said: >We only look at SORTIN. Not what I asked. Do you really want to treat SYSIN data sets as DUMMY when they are in the SORTIN concatenation? Because that's what your code will do. -- Shmuel (Seymour J.) Metz, SysProg and JOAT IS

Re: Determining if DUMMY allocation

ssage- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Paul Gilmartin Sent: Tuesday, February 16, 2010 10:09 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation On Tue, 16 Feb 2010 06:32:17 -0500, Jousma, David wrote: >We only look at SORTIN. Due

Re: Determining if DUMMY allocation

On Tue, 16 Feb 2010 06:32:17 -0500, Jousma, David wrote: >We only look at SORTIN. Due to this (in my opinion) limitation in >DFSORT: > >From the DFSORT APG under the SORTIN DD statement, that supports our >testing, and the reason for our ICEIEXIT implementation: > >The following rules apply to co

Re: Determining if DUMMY allocation

MD RSCB1G p 616.653.8429 f 616.653.8497 -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Shmuel Metz (Seymour J.) Sent: Sunday, February 14, 2010 8:01 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation In , on 02/12/2010

Re: Determining if DUMMY allocation

In <036101caac0d$6abe7720$403b65...@org>, on 02/12/2010 at 10:01 AM, Charles Mills said: >1. Is it "low overhead"? How would you guess it compares to searching the >TIOT and issuing a SWAREQ? I don't know why, but IBM used to advise not using SWAREQ for the JFCB. Searching the TIOT is the fas

Re: Determining if DUMMY allocation

In , on 02/12/2010 at 02:47 PM, "Jousma, David" said: >We test for the presence of DD DUMMY concatenated in the middle of a >SORTIN concatenation in ICEIEXIT. Do you really want to exclude SYSIN? -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see

Re: Determining if DUMMY allocation

In <47d6ad63e3c0b4448c47ec031da080f50f4e87f...@mail34.thoughtbus.com>, on 02/12/2010 at 03:35 PM, Tony Lubrano said: >David's suggestion is a good one (unless someone knows a time when it >could be zeros and not indicate a DD DUMMY file). PATH SYSIN SYSOUT SUBSYS TCAM

Re: Determining if DUMMY allocation

In <03a601caac16$40713760$c153a6...@org>, on 02/12/2010 at 11:04 AM, Charles Mills said: >TIOEFSRT certainly looks promising: That will be zero for, e.g., SYSOUT. You need to check the flags as well. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see

Re: Determining if DUMMY allocation

Charles, There are a few ways to get to the SIOT(s) ... I usually get there via TCT -> LCT -> JCT -> SCT -> 1st SIOT. DanD -- From: "Charles Mills" Subject: Re: Determining if DUMMY allocation Thanks. Looks interesting .I

Re: Determining if DUMMY allocation

any of the assembler services manuals. IAT sounds like JES3? Charles -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of DanD Sent: Friday, February 12, 2010 10:26 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation Charle

Re: Determining if DUMMY allocation

Charles, If you are going after SWA anyway you should check the SIOT (SCTSBYT1,SCTDUMMY). DanD -- From: "Charles Mills" Subject: Re: Determining if DUMMY allocation But your first post said you didn't want use the TIOT? Sorry

Re: Determining if DUMMY allocation

ilto:ibm-m...@bama.ua.edu] On Behalf Of Gerhard Postpischil Sent: Friday, February 12, 2010 11:35 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation On 2/12/2010 2:04 PM, Charles Mills wrote: > I'm not so desperate for ultra performance that I would use any field t

Re: Determining if DUMMY allocation

-- True confession time: I've never used DEVTYPE. Questions: 1. Is it "low overhead"? How would you guess it compares to searching the TIOT and issuing a SWAREQ? I'm not concerned about one or two instructions here, but

Re: Determining if DUMMY allocation

: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation This is how we do it DDCHKCLC TIOEFSRT,=AL3(0) Q. REAL UCB ADDRESS ? BEDDBAD A. NO, BAD DD We test for the presence of DD DUMMY concatenated in the middle of a SORTIN concatenation in ICEIEXIT.

Re: Determining if DUMMY allocation

Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of J R Sent: Friday, February 12, 2010 12:45 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation > 1.) Scan the TIOT... finding your DDName... If you're looking in the TIOT, what does TIOESTTB/TIOEFSRT show for

Re: Determining if DUMMY allocation

SVC24. I don't think there is a branch entry option. > Date: Fri, 12 Feb 2010 10:01:34 -0800 > From: charl...@mcn.org > Subject: Re: Determining if DUMMY allocation > To: IBM-MAIN@bama.ua.edu > > True confession time: I've never used DEVTYPE. Questions: >

Re: Determining if DUMMY allocation

On 2/12/2010 2:04 PM, Charles Mills wrote: I'm not so desperate for ultra performance that I would use any field that was likely to not provide a reliable answer under certain circumstances. It's "product" code that will be shipped to multiple customers, many of which will have MVS environments

Re: Determining if DUMMY allocation

2010 9:45 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation > 1.) Scan the TIOT... finding your DDName... If you're looking in the TIOT, what does TIOESTTB/TIOEFSRT show for a DUMMY allocation? n.html

Re: Determining if DUMMY allocation

os. Charles -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Tony Lubrano Sent: Friday, February 12, 2010 6:55 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation Charles, You can do a DEVTYPE macro to determine if

Re: Determining if DUMMY allocation

> 1.) Scan the TIOT... finding your DDName... If you're looking in the TIOT, what does TIOESTTB/TIOEFSRT show for a DUMMY allocation? > Date: Fri, 12 Feb 2010 10:46:36 -0500 > From: tony.lubr...@neon.com > Subject: Re: Determining if DUMMY allocation > To:

Re: Determining if DUMMY allocation

ay, February 12, 2010 9:07 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation Tony Minor niggle - but shouldn't that be? : DEVTYPE =CL8'MYDDNAME',OUTAREA IF (LTR,R15,R15,NZ) *** DD Not allocated *** ELSEIF (OC,OUTAREA,OUTAREA,Z) *** DD DUMMY SPECIF

Re: Determining if DUMMY allocation

-2272 * USA Tel: +1.617.614.2305 Email: rsc...@rs.com Web: www.rocketsoftware.com -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Tony Lubrano Sent: 12 February 2010 14:55 To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation Charles

Re: Determining if DUMMY allocation

nt: Friday, February 12, 2010 8:46 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation > look in the TIOT Where? Charles -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Shmuel Metz (Seymour J.) Sent: Thursday, Februa

Re: Determining if DUMMY allocation

> look in the TIOT Where? Charles -Original Message- From: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Shmuel Metz (Seymour J.) Sent: Thursday, February 11, 2010 9:03 PM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation In <013801

Re: Determining if DUMMY allocation

In <013801caab27$c57da320$5078e9...@org>, on 02/11/2010 at 06:37 AM, Charles Mills said: >Is there a way to determine if a DD statement has been allocated DUMMY, >short of SVC 99 info retrieval? Before OPEN, use DEVTYPE or look in the TIOT. -- Shmuel (Seymour J.) Metz, SysProg and JOA

Re: Determining if DUMMY allocation

Charles Mills wrote: > Is there a way to determine if a DD statement has been allocated DUMMY, > short of SVC 99 info retrieval? Sometimes I use the minimum call type of the DEVTYPE macro, and test for zeros being returned, as per the DFSMSdfp Advanced Services manual. To be pedantic, I suppose I

Re: Determining if DUMMY allocation

-m...@bama.ua.edu] On Behalf Of Paul Gilmartin Sent: Thursday, February 11, 2010 9:44 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation Very irritatingly, however documented, allocation also quietly converts any allocation of "PATH='/dev/null'" to NU

Re: Determining if DUMMY allocation

On Thu, 11 Feb 2010 08:01:07 -0800, Charles Mills wrote: > >Nice of IBM to document this. :-( Yes, I know that coding DSN=NULLFILE is >equivalent to coding DUMMY, but it does not follow that coding DUMMY would >necessarily set a DSN of 'NULLFILE'. The words "DUMMY" and "NULLFILE" appear >nowhere in

Re: Determining if DUMMY allocation

: IBM Mainframe Discussion List [mailto:ibm-m...@bama.ua.edu] On Behalf Of Rob Scott Sent: Thursday, February 11, 2010 7:10 AM To: IBM-MAIN@bama.ua.edu Subject: Re: Determining if DUMMY allocation Dataset name of NULLFILE in the JFCB Rob Scott Developer Rocket Software 275 Grove Street * New

Re: Determining if DUMMY allocation

Of Charles Mills Sent: 11 February 2010 14:38 To: IBM-MAIN@bama.ua.edu Subject: Determining if DUMMY allocation Is there a way to determine if a DD statement has been allocated DUMMY, short of SVC 99 info retrieval? I thought I remembered bit or other indicator in the JFCB, but now I don'

Determining if DUMMY allocation

Is there a way to determine if a DD statement has been allocated DUMMY, short of SVC 99 info retrieval? I thought I remembered bit or other indicator in the JFCB, but now I don't see it. My preference would be for something low overhead (I have a bunch of DD's to look up) and that did not require b