Re: Here comes an extra second

2017-01-02 Thread Vernooij, Kees (ITOPT1) - KLM 
It's a shame, that after 44 years of leap seconds there is still professional 
(yeah?) software that can't handle them.

Kees.

-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Paul Gilmartin
Sent: 02 January, 2017 23:22
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Here comes an extra second

On Sun, 1 Jan 2017 22:02:30 -0700, Jack J. Woehr wrote:
>
>> We have empirical proof of that at one of my clients . Took down a 
>> monitoring system this evening.
>
>And we were not alone: 
>https://blog.cloudflare.com/how-and-why-the-leap-second-affected-cloudflare-dns/
> 
I read the article.  The system involved duplicated the second at 23:59:59
so a time reading late in the first occurrence subtracted from a reading
early in the second occurrence produced a negative elapsed time.  A
validity check failed and triggered a shutdown.

That coudn't happen on z/OS which (almost entirely) shuts down for the
duration of the leap second so time values are bound to appear monotonic.

Did it happen on z/OS?

-- gil

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Re: SUPERPAV

2017-01-02 Thread Timothy Sipples 
SuperPAV is an extension to HyperPAV and provides cross-control unit
aliases. Aliases are first selected from the "home" control unit, as with
HyperPAV, but (only if necessary due to alias exhaustion) can be borrowed
from a like "peer."

For more information on SuperPAV and other recent storage enhancements,
this article provides an excellent summary:

http://www.ibmsystemsmag.com/mainframe/storage/disk/DS8880-thin-provisioning/


Timothy Sipples
IT Architect Executive, Industry Solutions, IBM z Systems, AP/GCG/MEA
E-Mail: sipp...@sg.ibm.com

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Re: Here comes an extra second

2017-01-02 Thread Walt Farrell 
On Mon, 2 Jan 2017 16:22:16 -0600, Paul Gilmartin  wrote:

>On Sun, 1 Jan 2017 22:02:30 -0700, Jack J. Woehr wrote:
>>
>>> We have empirical proof of that at one of my clients . Took down a 
>>> monitoring system this evening.
>>
>>And we were not alone: 
>>https://blog.cloudflare.com/how-and-why-the-leap-second-affected-cloudflare-dns/
>> 
>I read the article.  The system involved duplicated the second at 23:59:59
>so a time reading late in the first occurrence subtracted from a reading
>early in the second occurrence produced a negative elapsed time.  A
>validity check failed and triggered a shutdown.

Thanks. I didn't get that when I read the article. From a possibly naive 
standpoint, I think the underlying system should have simply accepted 23:59:60, 
rather than duplicating 23:59:59. Obviously it recognized the situation or it 
would have gone to 00:00:00 a second early, rather than duplicating 23:59:59. 

So it's a broken lower-level function, requiring all the higher layers to work 
around it. (Don't you often grumble at z/OS for that in other situations, gil?)

-- 
Walt

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Re: Here comes an extra second

2017-01-02 Thread Jack J. Woehr 

Paul Gilmartin wrote:


Did it happen on z/OS?


No. IBM R0073 :)

--
Jack J. Woehr # Science is more than a body of knowledge. It's a way of
www.well.com/~jax # thinking, a way of skeptically interrogating the universe
www.softwoehr.com # with a fine understanding of human fallibility. - Carl Sagan

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Re: Knowledge Center

2017-01-02 Thread Steve Thompson 
You have to understand, we are working at making KC intelligent. 
After all, that is the future, cognitive computing.


So give it some time and KC will become aware and be able to tell 
you what you want the way you want it. Just a moment. Just a 
moment. I have detected a failure in the AE37 unit.

:
:
:

Right Dave? Dave! Dave!?



On 01/02/2017 04:04 PM, zMan wrote:

New KC really sucks. Not only not scrollable, but kills Dolphin Browser on
my phone. And it's slower than dirt, and poorly built, with content filling
in after the page nav loads, so it looks like it's not even loading.

But that's the least of it -- once it does load, there's no decent way to
navigate that I can find.

In case you can't tell, I really, really hate it.

On Mon, Jan 2, 2017 at 4:00 PM, Paul Gilmartin <
000433f07816-dmarc-requ...@listserv.ua.edu> wrote:


On Mon, 2 Jan 2017 13:00:07 -0500, Susan Shumway wrote:


Yeah, it's a bit buggy, especially on IE. Per a July thread, the icon is
apparently still there, just microscopic or invisible (such that knowing
where it should be and hovering your mouse around should find a
clickable spot). Do as Jack suggests or try a different browser.


Bad advice.  Read and heed:
https://www.anybrowser.org/campaign/

"Anyone who slaps a 'this page is best viewed with Browser X' label on
a Web page
appears to be yearning for the bad old days, before the Web, when you
had very little
chance of reading a document written on another computer, another word
processor,
or another network."
  -- Tim Berners-Lee in Technology Review, July 1996

First, make it HTML5 compliant so it works with a standard browser.  Then.
if desired, add the bells and whistles.



Paul Gilmartin wrote:

It's intermittent; it appears and vanishes.



Actually, when it's (intermittently) broken, the icon is still clearly
there, but it opens and shuts a blank ToC sidebar.

YMMV,
gil

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Re: Here comes an extra second

2017-01-02 Thread Paul Gilmartin 
On Sun, 1 Jan 2017 22:02:30 -0700, Jack J. Woehr wrote:
>
>> We have empirical proof of that at one of my clients . Took down a 
>> monitoring system this evening.
>
>And we were not alone: 
>https://blog.cloudflare.com/how-and-why-the-leap-second-affected-cloudflare-dns/
> 
I read the article.  The system involved duplicated the second at 23:59:59
so a time reading late in the first occurrence subtracted from a reading
early in the second occurrence produced a negative elapsed time.  A
validity check failed and triggered a shutdown.

That coudn't happen on z/OS which (almost entirely) shuts down for the
duration of the leap second so time values are bound to appear monotonic.

Did it happen on z/OS?

-- gil

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Re: Knowledge Center

2017-01-02 Thread zMan 
New KC really sucks. Not only not scrollable, but kills Dolphin Browser on
my phone. And it's slower than dirt, and poorly built, with content filling
in after the page nav loads, so it looks like it's not even loading.

But that's the least of it -- once it does load, there's no decent way to
navigate that I can find.

In case you can't tell, I really, really hate it.

On Mon, Jan 2, 2017 at 4:00 PM, Paul Gilmartin <
000433f07816-dmarc-requ...@listserv.ua.edu> wrote:

> On Mon, 2 Jan 2017 13:00:07 -0500, Susan Shumway wrote:
>
> >Yeah, it's a bit buggy, especially on IE. Per a July thread, the icon is
> >apparently still there, just microscopic or invisible (such that knowing
> >where it should be and hovering your mouse around should find a
> >clickable spot). Do as Jack suggests or try a different browser.
> >
> Bad advice.  Read and heed:
> https://www.anybrowser.org/campaign/
>
> "Anyone who slaps a 'this page is best viewed with Browser X' label on
> a Web page
> appears to be yearning for the bad old days, before the Web, when you
> had very little
> chance of reading a document written on another computer, another word
> processor,
> or another network."
>   -- Tim Berners-Lee in Technology Review, July 1996
>
> First, make it HTML5 compliant so it works with a standard browser.  Then.
> if desired, add the bells and whistles.
>
>
> >> Paul Gilmartin wrote:
> >>> It's intermittent; it appears and vanishes.
> >>
> Actually, when it's (intermittently) broken, the icon is still clearly
> there, but it opens and shuts a blank ToC sidebar.
>
> YMMV,
> gil
>
> --
> For IBM-MAIN subscribe / signoff / archive access instructions,
> send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
>



-- 
zMan -- "I've got a mainframe and I'm not afraid to use it"

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Re: Knowledge Center

2017-01-02 Thread Paul Gilmartin 
On Mon, 2 Jan 2017 13:00:07 -0500, Susan Shumway wrote:

>Yeah, it's a bit buggy, especially on IE. Per a July thread, the icon is
>apparently still there, just microscopic or invisible (such that knowing
>where it should be and hovering your mouse around should find a
>clickable spot). Do as Jack suggests or try a different browser.
> 
Bad advice.  Read and heed:
https://www.anybrowser.org/campaign/

"Anyone who slaps a 'this page is best viewed with Browser X' label on a 
Web page
appears to be yearning for the bad old days, before the Web, when you had 
very little
chance of reading a document written on another computer, another word 
processor,
or another network."
  -- Tim Berners-Lee in Technology Review, July 1996

First, make it HTML5 compliant so it works with a standard browser.  Then.
if desired, add the bells and whistles.


>> Paul Gilmartin wrote:
>>> It's intermittent; it appears and vanishes.
>>
Actually, when it's (intermittently) broken, the icon is still clearly
there, but it opens and shuts a blank ToC sidebar.

YMMV,
gil

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Re: Knowledge Center

2017-01-02 Thread Allan Staller 
When is KC going to be as available as a typical z/OS sysplex? 
i.e. 99.% availability?

IBM support tools should be at least as available as the systems they support!

-Original Message-
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Susan Shumway
Sent: Monday, January 2, 2017 12:00 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Knowledge Center

Yeah, it's a bit buggy, especially on IE. Per a July thread, the icon is 
apparently still there, just microscopic or invisible (such that knowing where 
it should be and hovering your mouse around should find a clickable spot). Do 
as Jack suggests or try a different browser.

On 12/28/16 7:59 PM, Jack J. Woehr wrote:
> Paul Gilmartin wrote:
>> It's intermittent; it appears and vanishes.
>
> Browser psychosis. Flush the cache. Close and reopen.
>
>

--
Sue Shumway
z/OS Product Documentation Lead
IBM Poughkeepsie
chale...@us.ibm.com

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Re: Knowledge Center

2017-01-02 Thread Martin Packer 

Non-scrollability - at least on Mobile Safari - remains an issue. :-(

Cheers, Martin

Sent from my iPad (from where I would test any fixes sent my way for this)

> On 2 Jan 2017, at 18:00, Susan Shumway  wrote:
>
> Yeah, it's a bit buggy, especially on IE. Per a July thread, the icon is
> apparently still there, just microscopic or invisible (such that knowing
> where it should be and hovering your mouse around should find a
> clickable spot). Do as Jack suggests or try a different browser.
>
>> On 12/28/16 7:59 PM, Jack J. Woehr wrote:
>> Paul Gilmartin wrote:
>>> It's intermittent; it appears and vanishes.
>>
>> Browser psychosis. Flush the cache. Close and reopen.
>>
>>
>
> --
> Sue Shumway
> z/OS Product Documentation Lead
> IBM Poughkeepsie
> chale...@us.ibm.com
>
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Re: Knowledge Center

2017-01-02 Thread Susan Shumway 
Yeah, it's a bit buggy, especially on IE. Per a July thread, the icon is 
apparently still there, just microscopic or invisible (such that knowing 
where it should be and hovering your mouse around should find a 
clickable spot). Do as Jack suggests or try a different browser.


On 12/28/16 7:59 PM, Jack J. Woehr wrote:

Paul Gilmartin wrote:

It's intermittent; it appears and vanishes.


Browser psychosis. Flush the cache. Close and reopen.




--
Sue Shumway
z/OS Product Documentation Lead
IBM Poughkeepsie
chale...@us.ibm.com

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Re: One more MAINFRAME DOWN

2017-01-02 Thread Pete Lancashire 
Just curious, what was the type & model  & how long has your shop been
using a 360 to Z ?

-pete

On Mon, Jan 2, 2017 at 3:34 AM, Azim Syed  wrote:
> After 40 years we shudown our Mainframe on new year eve.
> 
>
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Re: One more MAINFRAME DOWN

2017-01-02 Thread John McKown 
On Mon, Jan 2, 2017 at 5:34 AM, Azim Syed  wrote:

> After 40 years we shudown our Mainframe on new year eve.
> 
>

​I join in your sadness. Ours will join yours in exile (or the scrap heap)
in 3 - 4 months.​

-- 
There’s no obfuscated Perl contest because it’s pointless.

—Jeff Polk

Maranatha! <><
John McKown

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One more MAINFRAME DOWN

2017-01-02 Thread Azim Syed 
After 40 years we shudown our Mainframe on new year eve.


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Recommended logstream policy for SYSVIEW statistical historical data

2017-01-02 Thread Steff Gladstone 
We are moving from TMON to SYSVIEW and are encountering very long
processing times when we attempt to generate batch reports from Sysview
statistical data that accumulated during the previous day (the data is
written to a System Logger logstream).   Apparently the report utility is
starting its scan of the data from a much earlier date.

What would be the recommended logstream policy for a logstream of this
type?  Is our assumption correct that this is an active (as opposed to
funnel-type) logstream application?

Thanks in advance for any assistance,
Steff Gladstone

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