Why? Either BPXWDYN or LISTDSI is simpler.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
From: IBM Mainframe Discussion List on behalf of
Binyamin Dissen <0662573e2c3a-dmarc-requ...@
How do you recognize the job is "specific"?
Is it smell or colour? :-)
Seriously:
you can use jobname mask or RACF access to some resource.
Or some other identifiers, like jobclass, program name, stepname,
account number...
--
Radoslaw Skorupka
Lodz, Poland
W dniu 20.08.2024 o 18:53, Mark
Depending on the tape retention parameters in the TS7770 itself, once HSM
releases the tapes (and backing disk storage) for reuse, the TS7770 may retain
the tapes and storage for a few more days. In your virtual tape area on the
VTS GUI, check the categories and look at the scratch categories.
I imagine a lot of useful tools pre-date BPXWDYN and BPXWDY2
I ended up writing something callable from assembly and PL/I, but only for
DISP=SHR and OLD, and I made sure SHR meant (SHR,KEEP,KEEP) :-)
Roops
On Thu, 22 Aug 2024, 12:54 Seymour J Metz, wrote:
> Why? Either BPXWDYN or LISTDSI is si
I wrote these before learning about BPXWDYN, and I'm used to them now. To tell
you the truth, I STILL haven't learned about BPXWDYN, not really; I don't do
much with Unix, just enough to log on, create a user's home directory, check
ownership bits and the like.
I don't know what TOCTTOU is.
Y
TOCTTOU
Time Of Check To Time Of Use
Lennie
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of Bob
Bridges
Sent: 22 August 2024 14:29
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Simple Rexx question
I wrote these before learning about BPXWDYN, and I'm used to them now.
We have two SMFLIMxx policies in effect
1) JOBNAME(*)
2) JOBNAME(specific) with no region settings at all.
Regardless of the order the policies are defined in the member, the job with
the specific jobname gets assigned the region limits defined in the JOBNAME(*)
policy.
What I'm trying to do i
Thanks
That was what I was looking for.
There is a 1 day retention period before the tapes are scratched.
Gadi
-Original Message-
From: IBM Mainframe Discussion List On Behalf Of
Pommier, Rex
Sent: יום ה 22 אוגוסט 2024 16:00
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: [EXTERNAL] Re: HSM q
You might want to do earl or tmsgrw to see how many tapes have zero Block count
Next what is the ttl (time to live) on the TS7700?
Ours is 7 days. Reclaimed tapes are not cycled back to scratch pool in the
appliance for a week
We do not see any changes in amount of storage until ttl is actioned
Hi,
I have a rexx that extract info about allocations from current memory. I.
e. it works outside TSO. (I haven't used it in 8 years so YMMV...)
If you are interested I can send it to you.
Extract from desc text:
/* REXX
On Thu, 22 Aug 2024 09:28:34 -0400, Bob Bridges wrote:
>I wrote these before learning about BPXWDYN, and I'm used to them now. To
>tell you the truth, I STILL haven't learned about BPXWDYN, not really; I don't
>do much with Unix, just enough to log on, create a user's home directory,
>check ow
ODBC is a programming API for application programs written in C/C++ to use
as an alternative to SQL. It isn't a connection protocol to a remote
database server. That connection can be a variety of ways, such as DRDA or
Db2 Connect (that is a gateway) ... it all depends upon the specific remote
sy
Is it?
On Thu, 22 Aug 2024 11:54:12 + Seymour J Metz wrote:
:>Why? Either BPXWDYN or LISTDSI is simpler.
:>
:>--
:>Shmuel (Seymour J.) Metz
:>http://mason.gmu.edu/~smetz3
:>??? ?? ???
:>?? ??? ??
:>
:>
:>
:>
:>From: IB
Does it dual path the SWA? BPXWDYN takes care of all the housekeeping in every
environment.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
From: IBM Mainframe Discussion List on behalf of
I can't answer that, the code is ftom Doug Nadel.
The SWA part is as follows:
GET_SWAREQ: Procedure Expose a.
If Right(C2x(Arg(1)),1) <> 'F' Then /* SWA=BELOW ? */
Return C2d(Arg(1)) + 16 /* YES, Return SVA+16 */
sva = C2d(Arg(1)) /* CONVERT TO DECIMAL */
tcb = PTR(540) /* TCB PSATOLD
Won't work for USS files, though. Those will need BPXWDYN.
https://www.ibm.com/docs/en/zos/3.1.0?topic=tef-listdsi says
> Restriction: LISTDSI does not support files in the UNIX file system.
> Unpredictable results might occur.
9 *-* "ALLOCATE DD("Arg(1)")" Arg(2)
On Thu, 22 Aug 2024 07:58:28 +0300, Binyamin Dissen wrote:
>...
>"EXECIO 5 DISKR Q1Q2Q3 (FINIS"
>
Fairly good idea. But suppose Q1Q2Q3 contains fewer
than 5 records. I'll suggest:
"EXECIO 0 DISK{r|w} Q1Q2Q3 (OPEN"
Be sure to handle correctly the case where Q1Q2Q3 is
writab
Hi ,
We have deined a multiperiod ddf workload service class with a duration of
20 service units in its 1st period.
I am wondering if wlm also uses ziip service units in period switching?
We have ioc mso coefficient = 0 and srb tcb = 1
---
Well, there were a lot of interesting comments and ideas here. My needs
are pretty simple - check to see if the DD statements I need are defined
in my job before I try to read or write them.
I did some testing on using BPXWDYN Info, which gave the clearest
details on the file status, and EXECI
On Thu, 22 Aug 2024 18:33:10 +, Billy Ashton wrote:
> .
>For output:
>to a PDS member with data: BPX was 95% faster 100% of the time (I guess
>there was a lot of work to set the EOF pointer and such)
>...
Update-in-place PDS member? I understand this was done for UADS
to obviate the need
If checking for a certain DD name is really all that you need
then the easiest and fastest method IMHO is a very small ASSEMBLER (or C
or PL/1) routine
which scans the TIOT (Task I/O table) for this DD name.
The ASSEMBLER version is the easiest and shortest (and fastest); only
five to seven mac
The UPDAT option of OPEN is fully supported for PDS and PDSE.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
From: IBM Mainframe Discussion List on behalf of
Paul Gilmartin <042bfe9c
Wait, so was Gil just asking whether there's a "danger" of (for example) the
DSN not being there when I run DSDD, but then coïncidentally having been
catalogued 20 milliseconds later when I start to try to create it?
I guess that's a function not of DSDD itself but of whatever routine uses it.
That is generally the sort of thing TOCTTOU refers to. However, it is usually
used in a security context. Security checks and decisions should generally be
made in a single function where there is no ambiguity.
In this case it, in order to avoid TOCTTOU issues you would need to invoke an
EXECIO
On Thu, 22 Aug 2024 16:57:05 -0400, Bob Bridges wrote:
>Wait, so was Gil just asking whether there's a "danger" of (for example) the
>DSN not being there when I run DSDD, but then coïncidentally having been
>catalogued 20 milliseconds later when I start to try to create it?
>
>I guess that's a f
I don't think I see the flaw yet. How would you define it? Because all DSDD
does is tell me whether a character string represents a (catalogued) DSN and/or
an (allocated) DDN; and if the problem you're thinking of is that the situation
may have changed milliseconds later, how will any other ro
On Thu, 22 Aug 2024 19:15:13 -0400, Bob Bridges wrote:
>I don't think I see the flaw yet. How would you define it? Because all DSDD
>does is tell me whether a character string represents a (catalogued) DSN
>and/or an (allocated) DDN; and if the problem you're thinking of is that the
>situatio
SLIP set,if,a=SYNCSVCD,RANGE=(10?+8C?+F0?+1F4?),DATA=(13R??+b0,EQ,112B
),DSPNAME=('OMVS'.*)
If the instruction located by OCVTERRA gets control for this situation (that's
what your RANGE keyword gets you) and if your DATA expression is correct, then
the trap will match.
As suggested you m
If entered exactly as shown in the original post (the SLIP command and then the
response to the WTOR), that response would have failed and not set a SLIP trap.
As eagle eye Adam spotted, the blank after the address in DATA ends the input
data, requiring the WTOR response to start with the (missin
Is it possible that you have not been running the Backup EXPIRE processing or
the recycle processing (for a long time)?
I had a site that "thought" they were doing it on a schedule and it turned out
they had not executed it in over 10 years. Their use of tape for HSM was cut
in 1/2 in a single
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