I seem to recall that 69 was a popular choice for the window breakpoint ...

Chris Hoelscher
Technology Architect, Database Infrastructure Services
Technology Solution Services
Humana Inc.
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-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of Porowski, Kenneth
Sent: Friday, April 20, 2018 4:35 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: [IBM-MAIN] IRS - 60-Year-Old IT System Failed on Tax Day Due to 
New Hardware (nextgov.com)

Now for those that didn't move to a 4 digit year to resolve Y2K but instead 
went to a window technique, how many of your current staff know what dates were 
used for the window so they can again fix the problem before it occurs.

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf 
Of David L. Craig
Sent: Friday, April 20, 2018 4:26 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: [IBM-MAIN] IRS - 60-Year-Old IT System Failed on Tax Day Due to 
New Hardware (nextgov.com)

In 1974, we considered it, but the cost of a byte of disk storage was enough to 
push the storage of each date's century toward the '90s.  We fully expected the 
remediation would be needed but storage would be more affordable by then, which 
panned out.  What everybody got wrong was expecting the relative costs of 
hardware and software to not change, but in fact they flipped--hardware became 
dirt cheap but software became very expensive.

On Fri, Apr 20, 2018 at 7:46 PM, Gerhard Adam <gada...@charter.net> wrote:

> It was discussed, but the general feeling was that those systems would 
> have been rewritten or replaced long before it became an issue.
>
> No one expected applications to be running 30-40 years after they were 
> first implemented.
>
> Sent from my iPhone
>
> > On Apr 20, 2018, at 12:25 PM, Lester, Bob <bles...@ofiglobal.com> wrote:
> >
> >
> > I agree with both you and Gil.  But, how many programmers in the 
> > 60s,
> 70s, even 80s were thinking about Y2K?  Sure, the really good ones 
> were, but what about the other 80%?
> >
> > ....and, Y2K came off without a hitch...(FSVO - "hitch")    😊
> >
> > I love Fridays...
> >
> > BobL
> >
> > -----Original Message-----
> > From: IBM Mainframe Discussion List 
> > [mailto:IBM-MAIN@LISTSERV.UA.EDU]
> On Behalf Of Porowski, Kenneth
> > Sent: Friday, April 20, 2018 1:20 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU
> > Subject: Re: IRS - 60-Year-Old IT System Failed on Tax Day Due to 
> > New
> Hardware (nextgov.com) [ EXTERNAL ]
> >
> > That was due to lack of foresight by the programmer not due to the 
> > age
> of the system.
> >
> >
> >
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> >
> > -----Original Message-----
> > From: IBM Mainframe Discussion List 
> > [mailto:IBM-MAIN@LISTSERV.UA.EDU]
> On Behalf Of Paul Gilmartin
> > Sent: Friday, April 20, 2018 3:13 PM
> > To: IBM-MAIN@LISTSERV.UA.EDU
> > Subject: Re: [IBM-MAIN] IRS - 60-Year-Old IT System Failed on Tax 
> > Day
> Due to New Hardware (nextgov.com)
> >
> >> On Fri, 20 Apr 2018 07:14:20 -0700, Gerhard Adam wrote:
> >>
> >> Applications don't get old.  They either do what they're supposed 
> >> to do
> or they don't.   It has nothing to do with age.
> > Remember Y2K?
> >
> > -- gil
> >
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