On 22/10/2021 11:13 am, Bill Johnson wrote:
Reasonable? People who weren’t aware of 5-9’s, who thought pharmacies weren’t
open 24 hours a day. Silly you.
Being obnoxious and abusive isn't going to help your cause Bill! 99.999%
of the folks the frequent this forum are mainframe advocates. And the
non-retires are more than aware distributed systems are important
components of their IT operations. Spouting the same old hackneyed
nonsense is a waste of time.
BTW, Amazon AWS, MS Azure, VMware etc all offer 99.999% uptime SLAs in
their cloud products. It's not cheap but nor is any enterprise computing
platform. I would rather run a mainframe but start-ups are not going to
do that. Netflix is a $B business and I would be p**sed if I couldn't
stream movies without and outage ;)
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On Thursday, October 21, 2021, 11:07 PM, Tom Brennan
<[email protected]> wrote:
And here I thought you could have a reasonable conversation about an
important topic. Silly me.
On 10/21/2021 7:59 PM, Bill Johnson wrote:
I don’t really care Tom. Any more than I cared in 1995 when people like you
told me the mainframe was going to be gone in 5 years and I better look for my
next profession. I’m not looking for agreement like most of you.
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On Thursday, October 21, 2021, 10:50 PM, Tom Brennan
<[email protected]> wrote:
Then you're lucky because my view is more like what David said.
On 10/21/2021 6:49 PM, Bill Johnson wrote:
Plus, I’ve worked in 15 shops in my career, including banking, insurance,
retail, and health care. In all of them, the mainframe is the most important
and most used platform. And it’s not even close.
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On Thursday, October 21, 2021, 9:13 PM, David Crayford <[email protected]>
wrote:
On 21/10/2021 7:31 am, Bill Johnson wrote:
I do almost everything important via app with a mainframe on the back end. Banking,
health records, retail shopping, insurance claims, investing. And with very high
confidence the transactions are secure, fast, & always available. Not sure how
more modern the mainframe could be actually.
Bill J
I would suggest that almost all of those companies (banks, retail,
insurance etc) that run mainframes run a significant portion of their IT
systems on distributed systems. I recently met a software architect from
a bank who told me that the explosion of internet banking app usage has
pushed up the TCO of their mainframe to unacceptable levels. 70% of
those transactions were reads (folks checking their bank balances on
their phones). Their solution was use Apache Kafka to replicate the data
to Apache Cassandra and only hit the mainframe for writes.
Apache Kafka can be deployed on z/OS but it was crippled due to the
BPX1MMP (mmap) service being contained to 2GB. IBM have recently fixed
that which is another good example of mainframe modernization
https://www.ibm.com/support/pages/apar/PH32235.
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On Wednesday, October 20, 2021, 7:18 PM, Rich Smrcina
<[email protected]> wrote:
That can certainly be part of it.
But it can also mean providing applications (typically web based) with access
to z/OS data, or interfaces. Whether that’s direct access to the data, or
access through a REST type interface. That way the mainframe can retain it’s
role as the system of record, and at the same time put a more modern face on
the applications.
Rich Smrcina
On Oct 20, 2021, at 6:08 PM, Mark Jacobs
<[email protected]> wrote:
I think it's related to the push for the z/OS Management Facility (z/OSMF) and
Zowe over traditional system administration and programming methods.
Mark Jacobs
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‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, October 20th, 2021 at 6:50 PM, David Elliot
<[email protected]> wrote:
Does anyone out there know what is meant by the expression "Mainframe
Modernization' '? It seems to be catching on with the Bobs but when you
ask exactly how they propose to modernize their systems all you get is
silence. As in if you don"know we shouldn't even be talking about it.
Any ideas ? Or is it just more BS like 'cloud' or 'devops'?
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