Re: I need help about tuning NFS

2012-03-21 Thread Marc Manuel
Hello, Thank you for your answer. I tried to make a change in NFSATTR : readtimeout(90) to readtimeout(30), and now everything is fine! Regards. Marc. 2012/3/20 Paul Gilmartin paulgboul...@aim.com On Tue, 20 Mar 2012 17:11:54 +0100, Marc Manuel wrote: I've just setup the nfs server on

Re: Prevent FTP from root

2012-03-21 Thread Veilleux, Jon L
In addition to giving folks their own user directories, the root should be Read/Only to prevent anyone from writing to it. -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Paul Gilmartin Sent: Tuesday, March 20, 2012 4:10 PM To:

Re: DASD Mod9/Mod54

2012-03-21 Thread Shmuel Metz (Seymour J.)
In 8f672be771329649a9eb59c7d9d6a2d9521e8...@den-xmail01.den.ofi.com, on 03/19/2012 at 10:56 PM, Lester, Bob bles...@oppenheimerfunds.com said: With todays' modern disk arrays, is there any reason (z/OS based or other) that response time for my Mod54s is consistently higher than for my Mod9s?

Re: Opening an URL from ISPF (was: PCOM Question)

2012-03-21 Thread Shmuel Metz (Seymour J.)
In blu149-w6439eb5eaae44dec128d41a1...@phx.gbl, on 03/20/2012 at 12:24 PM, Dave Salt ds...@hotmail.com said: That URL would then seamlessly open in the users browser. How do you get access to a browser on a PC from a z/OS application? -- Shmuel (Seymour J.) Metz, SysProg and JOAT

Re: OT: Printing emails

2012-03-21 Thread Shmuel Metz (Seymour J.)
In 4f68a626.9050...@trainersfriend.com, on 03/20/2012 at 09:45 AM, Steve Comstock st...@trainersfriend.com said: Of course, he has his agenda. But an interesting insight, eh? Insight? I'd call it propoganda. Take Reading a newspaper everyday spends 20% less carbon-dioxide than reading an

Re: PCOM Question (IBM Personal Communcations aka 3270)

2012-03-21 Thread Shmuel Metz (Seymour J.)
In a90e503c23f97441b05ee302853b0e62640222e...@fspas01ev010.fspa.myntet.se, on 03/20/2012 at 12:15 PM, Thomas Berg thomas.b...@swedbank.se said: Is there a way to get internet links to work from 3270 using PCOM ? E g You have the text: http://ibm.com in a panel, click on it and the link

Re: Execution Velocity

2012-03-21 Thread Shane Ginnane
On Tue, 20 Mar 2012 11:05:25 -0500, gsg wrote: Can someone please explain execution velocity for Workload Manager, I'd really appreciate it. If you're really asking if anyone can explain the (sometimes bizarre) results, then I think the short answer is *NO*. Not without a lot more data re your

SV: PCOM Question (IBM Personal Communcations aka 3270)

2012-03-21 Thread Thomas Berg
I got the correct answer from Geoff Roussel, IBM: From within PCOMM: Edit - Preferences - Hotspots Tick the Execute URL box, and you should be good to go. + from the help for PCOMM: Note: Personal Communications supports the following URL types: file:// ftp:// gopher:// http:// https://

A z/OS Redbook Corrected - just about!

2012-03-21 Thread Chris Mason
Back in early February, I sent off this comment to the redbooks site: comment To whom it may concern, - This feedback concerns redbook z/OS Version 1 Release 13 Implementation, SG24-7946-00, which is described still to be in Draft status. - Recently I wanted to check on what z/OSMF was all

Re: PCOM Question (IBM Personal Communcations aka 3270)

2012-03-21 Thread Chris Mason
To all except the rude Wizard of Lodz and any others who routinely discard my posts ... From within PCOMM: ... Edit - Preferences - Hotspots ... Tick the Execute URL box, and you should be good to go. I bet it's impossible, ... I *guess* he lost his bet! ... however there is Norwegian 3270

Re: Execution Velocity

2012-03-21 Thread Tom Marchant
On Tue, 20 Mar 2012 23:11:30 +, Graham Harris wrote: ... could be polluting all your processor caches a lot more than you were experiencing previously on 3 CPs, which could lead to increased overheads in the OS managing higher levels of cache-misses under the covers. The operating system

Re: megabytes per second

2012-03-21 Thread Bill Fairchild
Everyone is missing the point. Let me rephrase. What do most users and managers think when they hear or use the phrase copy data at xxx number of MB/sec.? Do they think that means the theoretically fastest possible rate at which data can be transferred under ideal conditions, or the actual

Re: megabytes per second

2012-03-21 Thread Uriel Carrasquilla
May be there is a reason as to why you are gettign so many different answers. In my case, the question I normally get from management is: how much is it going to cost us to maintain a copy our application XXX data at our DR location? I change this into a problem of money and budgets. I figured

Re: megabytes per second

2012-03-21 Thread Shmuel Metz (Seymour J.)
In 77142d37c0c3c34da0d7b1da7d7ca3475...@nwt-s-mbx1.rocketsoftware.com, on 03/20/2012 at 10:12 PM, Bill Fairchild bfairch...@rocketsoftware.com said: What exactly does MB/second mean when referring to how much data can be copied from a DASD to a tape? It normally refers to the data that

Re: megabytes per second

2012-03-21 Thread Blaicher, Christopher Y.
The problem is different people will have different assumptions. What I would do is provide clarification in the documentation of what is being done and how you are measuring data volumes. You may want to put out multiple messages, one an actual amount processed, another with the theoretical

Re: megabytes per second

2012-03-21 Thread R.S.
EDUCATION. User education. One should sched some light, explain the user the complexities of the storage, data netto, data brutto, etc. BTW: I have a paper for upper level management which explains such differences. In simple points: - RAID takes one disk for parity (you pay for N+1 and get

ACIF in zOS1.12

2012-03-21 Thread Moussadak Mostafa
Hi all, Does ACIF still free in zOS 1.12 ? We're trying to migrate to zOS1.12 from 1.7 (in which ACIF is Free as part of PSF). Thanks. Best Regards. ** This email and any files transmitted with it are confidential and

Re: ACIF in zOS1.12

2012-03-21 Thread Staller, Allan
AFAIK ... NO ACIF is a chargeable item circa z/OS 1.9... snip Hi all, Does ACIF still free in zOS 1.12 ? We're trying to migrate to zOS1.12 from 1.7 (in which ACIF is Free as part of PSF). /snip -- For IBM-MAIN subscribe /

Re: DASD Mod9/Mod54

2012-03-21 Thread Ron Hawkins
Mike, Wouldn't you expect this to show up as ENQ contention rather than an increase in DASD service time? Ron -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Mike Schwab Sent: Tuesday, March 20, 2012 6:52 PM To:

Re: Opening an URL from ISPF (was: PCOM Question)

2012-03-21 Thread Dave Salt
From: shmuel+ibm-m...@patriot.net How do you get access to a browser on a PC from a z/OS application? Using the ISPF Workstation Agent (WSA.EXE). Dave Salt SimpList(tm) - try it; you'll get it! http://www.mackinney.com/products/program-development/simplist.html

Re: Secret Service Guide

2012-03-21 Thread Charles Durrett
On Saturday, March 17, 2012 10:11:20 AM UTC-5, R.S. wrote: MP3000 Service Guide is SY24-6155 - easily found online. It even has the default Support Element logon passwords - Woo-Hoo! Thank you for the hint. BTW: the passwords are well known and have always been documented. Default

rexx cpu intensive

2012-03-21 Thread Tim Brown
What can be done to prevent REXXX programs from being so CPU intensive Thanks, Tim Brown Systems Specialist - Project Leader Central Hudson Gas Electric 284 South Ave Poughkeepsie, NY 12601 Email: tbr...@cenhud.com mailto:tbr...@cenhud.com Phone: 845-486-5643 Fax: 845-486-5921 Cell:

Re: A z/OS Redbook Corrected - just about!

2012-03-21 Thread Sebastian Welton
I won't get into a lather about USS vs. UNIX but then maybe IBM will have to change all their manuals. For example, SC27-2353-01 - OMEGAMON XE on z/OS Users Guide (and nearly anything to do with monitoring) refers to USS in regards to Unix System Services although in this manual it does make a

Re: rexx cpu intensive

2012-03-21 Thread McKown, John
Rewrite them into COBOL? grin The REXX compiler would likely be helpful. But if, like me, you're stuck with using normal, intepreted, REXX, then about the only thing you can do is try to do as few operations as possible. Likewise, try to use powerful functions instead of simplier ones. They'll

Re: rexx cpu intensive

2012-03-21 Thread zMan
On Wed, Mar 21, 2012 at 11:38 AM, Tim Brown tbr...@cenhud.com wrote: What can be done to prevent REXXX programs from being so CPU intensive Can you be less specific? Seriously, what are you asking about? What makes you think a Rexx program is CPU-intensive? What is it doing? Your question, as

Re: rexx cpu intensive

2012-03-21 Thread Steve Comstock
On 3/21/2012 9:38 AM, Tim Brown wrote: What can be done to prevent REXXX programs from being so CPU intensive Thanks, Tim Brown Systems Specialist - Project Leader Central Hudson Gas Electric 284 South Ave Poughkeepsie, NY 12601 Email: tbr...@cenhud.commailto:tbr...@cenhud.com Phone:

Re: A z/OS Redbook Corrected - just about!

2012-03-21 Thread Kirk Wolf
Thank goodness IBM is spending time correcting USS atrocities rather than improving z/OS Unix. Kirk Wolf Dovetailed Technologies http://dovetail.com -- For IBM-MAIN subscribe / signoff / archive access instructions, send email

Re: megabytes per second

2012-03-21 Thread Anne Lynn Wheeler
ronjhawk...@sbcglobal.net (Ron Hawkins) writes: I'm afraid sequential pre-fetch kinda of makes your point invalid for sequential IO. when ibm first came out with full-track cache (3880-13/sheriff) ... it advertised a 90% hit rate ... based on 3380 track, 10 records per track and sequential

Re: A z/OS Redbook Corrected - just about!

2012-03-21 Thread Rob Schramm
LOL - I know that only a very short list of people will ever be truly confused by USS (unformatted system services) and USS (unix system services) references... the cat hearding reference is awesome and very appropriate... since the cat is out of the bag. Rob Schramm Senior Systems Consultant

Re: rexx cpu intensive

2012-03-21 Thread Jonathan Goossen
Look at your code design and remember that REXX arrays are associative. Every access to an array element is a search for the full variable name with the index as part of the name. One of our performance people was concerned that my REXX job took 6 hours to run. I was loading a large file into

Re: Prevent FTP from root

2012-03-21 Thread Kirk Wolf
Assume that you have protected your data sets and z/OS Unix files with your security package, Unix permissions and ACLs, etc so that z/OS userids have proper access. It is still likely that you don't want to allow some of these files to be transferred using FTP.In this case, the FTP FTCHKCMD

Re: rexx cpu intensive

2012-03-21 Thread Mark Zelden
On Wed, 21 Mar 2012 11:38:03 -0400, Tim Brown tbr...@cenhud.com wrote: What can be done to prevent REXXX programs from being so CPU intensive 1) License the REXX compiler and run compiled REXX. This may help, but of course YMMV depending on what your execs are doing. A loop in a compiled

Re: rexx cpu intensive

2012-03-21 Thread Scott Ford
All, According to the documentation from SHARE, arithmetic functions , compiled will see the speed up in execution, not I/O... Sent from my iPad Scott Ford Senior Systems Engineer www.identityforge.com On Mar 21, 2012, at 12:33 PM, Mark Zelden m...@mzelden.com wrote: On Wed, 21 Mar 2012

Re: PCOM Question (IBM Personal Communcations aka 3270)

2012-03-21 Thread Gerhard Postpischil
On 3/21/2012 8:38 AM, Chris Mason wrote: Since the Wizard of Lodz is so keen on directing the list manager to perceived - and certainly in one case totally invented - malpractice on the behalf of other list contributors[1], I would like to propose that it is a hand-on-heart rule that any poster

Re: PCOM Question (IBM Personal Communcations aka 3270)

2012-03-21 Thread James Link
Very nice! Jim Link | ITM II | Technical Operations State of Nevada | Department of Administration | Enterprise IT Services T:   (775) 684-4308 | F:  (775) 684-4324 | E:  jl...@admin.nv.gov -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of

Re: XEDIT change in 6.2 ?

2012-03-21 Thread Phil Smith
Ah, this brings back memories of SET AUTOCASE, a mod I wrote almost 30 years ago for XEDIT. When AUTOCASE was ON (and CASE U was in effect), a line entered in all lowercase would be uppercased; a line entered with a mixture of upper and lower was left unchanged. If the latter was in error,

Re: A z/OS Redbook Corrected - just about!

2012-03-21 Thread Scott Ford
Amen, heaven forbid the improve unix systems services, btw I have worked Vtam and unix, so amen brothers and sisters I ave seen the Chris light, teasing Chris . Sent from my iPad Scott Ford Senior Systems Engineer www.identityforge.com On Mar 21, 2012, at 11:57 AM, Kirk Wolf

Re: Execution Velocity

2012-03-21 Thread Graham Harris
... could be polluting all your processor caches a lot more than you were experiencing previously on 3 CPs, which could lead to increased overheads in the OS managing higher levels of cache-misses under the covers. The operating system does not get involved in cache misses. When the

Re: Execution Velocity

2012-03-21 Thread Anne Lynn Wheeler
m42tom-ibmm...@yahoo.com (Tom Marchant) writes: To look at it another way, cache exists because main storage is very slow compared to the processor speed. Without cache, the processor would not be able to execute instructions nearly as fast as it could. Cache allows data from main storage to

Re: rexx cpu intensive

2012-03-21 Thread Conlin, Pete
Hi Tim, You may want to look at what may be keeping huge amounts of data in memory see if there's a way to pre-sort aggregate it. If you are not seeing a lot of I/O, the code may very well be reevaluating entire [sets of] arrays with each record. The sort packages will far outperform an

Re: rexx cpu intensive

2012-03-21 Thread Gibney, Dave
I once greatly improved a Rexx routine exploiting the associative Rexx array. It was some extract from a TMS report. It was originally written like any other array with a subscript variable. And a lot of for loops. I changed it to use the main key (in this case the tape volser) as the

Re: rexx cpu intensive

2012-03-21 Thread David de Jongh
Are you sure they are CPU intensive, and not simply slow? We had this problem a year or two back, and it turned out we had PDSEs mixed with PDSs in our SYSEXEC concatenation. When we made everything PDS, suddenly the REXXs ran fine. David de Jongh -Original Message- From: IBM

Re: rexx cpu intensive

2012-03-21 Thread Paul Gilmartin
On Wed, 21 Mar 2012 19:53:34 +, Gibney, Dave wrote: I once greatly improved a Rexx routine exploiting the associative Rexx array. It was some extract from a TMS report. It was originally written like any other array with a subscript variable. And a lot of for loops. I changed it to

SMPE Internet Service Retrieval

2012-03-21 Thread Robert Heffner
We are finally being allowed to use Internet Service Retrieval for downloading our software and service, and I have a general question to those who have been using it. I have done several downloads of Shopz orders using RECEIVE FROMNETWORK, and I notice that it is very slow. An order of about

Re: rexx cpu intensive

2012-03-21 Thread Gibney, Dave
Dave Gibney Information Technology Services Washington State University -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@bama.ua.edu] On Behalf Of Paul Gilmartin Sent: Wednesday, March 21, 2012 1:33 PM To: IBM-MAIN@bama.ua.edu Subject: Re: rexx cpu intensive

Re: SMPE Internet Service Retrieval

2012-03-21 Thread Paul Gilmartin
On Wed, 21 Mar 2012 15:46:47 -0500, Robert Heffner wrote: We are finally being allowed to use Internet Service Retrieval for downloading our software and service, and I have a general question to those who have been using it. I have done several downloads of Shopz orders using RECEIVE

Re: rexx cpu intensive

2012-03-21 Thread Paul Gilmartin
On Wed, 21 Mar 2012 21:04:34 +, Gibney, Dave wrote: Much of my growth in this field has been slow and steady. The Rexx associative array realization is one of the aha moments I still remember. You can code FORTRAN in any language. You will sometimes be told that if your Rexx, Lisp, C++,

Re: rexx cpu intensive

2012-03-21 Thread Jonathan Goossen
A way to simulate this is to accumulate the stem elements to a string and then iterate through them. If jobs is a string of job names... n = words(jobs) do i = 1 to n job = word(jobs, i) if stem_var.job = ?. Other_stem.job = 'foo' etc. Thank you and have a Terrific day! Jonathan

Re: rexx cpu intensive

2012-03-21 Thread Paul Gilmartin
On Wed, 21 Mar 2012 16:40:12 -0500, Jonathan Goossen wrote: A way to simulate this is to accumulate the stem elements to a string and then iterate through them. If jobs is a string of job names... o Sometimes you haven't control over this: the compound may be defined by a host environment

Re: rexx cpu intensive

2012-03-21 Thread Cris Hernandez #9
It really depends on what you're doing with REXX that's causing it to munch CPU.  I associate CPU usage with slow processing, and since I'm not the perf tune guy, I really only care about how long I have to wait for my code to execute to completion and do so without adversely affecting others. 

Re: rexx cpu intensive

2012-03-21 Thread Mark Douglas (CITEC)
I experienced a similar performance gain by swapping a iterative REXX stem compare with a ISPF Edit Macro search. Instead of performing a one at a time comparison through 1+ records, a FIND loop on the first 7 characters, then 6, 5, 4, etc turned a couple of thousand iterations to about 4