So does this mean that 2/3 of companies out there are running unsupported 
hardware and software?

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Raphaël Jacquot
Sent: Tuesday, June 9, 2020 7:48 AM
To: [email protected]
Subject: [External] Re: "Everyone wants to retire mainframes"

Le 09/06/2020 à 14:24, Peter Bishop a écrit :
> Interesting re 2):
> 
> "The survey found that organizations are running an average of four 
> mainframes with an average age of 17 years. Sixty-four percent are 
> running mainframes between 10 and 20 years old, with 28% running 
> machines that are 20 to 30 years old. "
> 
> So 2/7 are running machines over 20+ years old?  And 2/3 over 10 
> years? What does that even mean?  Smells fishy to me.  What is the 
> sample size?  Is it biased somehow?
> 
> Cheers,
> Peter

it does make sense if out of those 4 machines, they have older and newer 
boxes...

Raphael

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