On 28/8/2023 10:21 pm, Bill Johnson wrote:
LOL, there’s Crayfish making stupid comments again. The difference between me
and Perryman is I tell the truth. IBM does offer multiple 9’s uptime. And
numerous banks have the setup necessary.
JP Morgan (a REAL bank) spends BILLIONS per year on IT.
Yes. And they still have outages
https://piunikaweb.com/2023/08/24/chase-bank-app-website-down-servers-not-working-online-and-mobile-banking-suffers/
https://www.americanbanker.com/news/zelle-outage-at-jpmorgan-chase-is-red-flag-for-banks
https://piunikaweb.com/2023/08/25/wells-fargo-website-and-app-down-not-working-online-banking-suffers/
As banks rush to modernize their services the applications have become
far more compex. Especially integrating new technologies into legacy
systems. More points of failure. 99.999% service availability is a myth.
Sent from Yahoo Mail for iPhone
On Monday, August 28, 2023, 7:15 AM, David Crayford<dcrayf...@gmail.com> wrote:
On 27/8/2023 11:05 am, Tom Brennan wrote:
A bigger problem is Jon says things like this with such conviction and
authority that other people reading these posts, perhaps years from
now, will think they are true.
Don't engage with him! There's no point in debating with a troll.
Lately, he's been banging on about the 99.999999% availability on the
z16. It's clear he's either deeply ignorant or gullible. In any case, it
seems he missed the fine print:
https://www.ibm.com/downloads/cas/0MZVKEYJ. (Who's willing to spend tens
of millions of dollars to run a small Linux rack?)
"DISCLAIMER: IBM internal data based on measurements and projections was
used in calculating the expected value. Necessary components include IBM
z16; IBM z/VM V7.2 systems collected in a Single System Image, each
running RHOCP 4.10 or above;
IBM Operations Manager; GDPS 4.5 for management of data recovery and
virtual machine recovery across metro distance systems and storage,
including Metro Multi-site workload and GDPS Global; and IBM DS8000
series storage with IBM HyperSwap. A
MongoDB v4.2 workload was used. Necessary resiliency technology must be
enabled, including z/VM Single System Image clustering, GDPS xDR Proxy
for z/VM, and RedHat OpenShift Data Foundation (ODF) 4.10 for management
of local storage devices.
Application-induced outages are not included in the above measurements.
Other configurations (hardware or software) may provide different
availability characteristics."
Could it be that Jon Perryman is actually Bill Johnson in disguise,
using ChatGPT to compose his posts? Does he have a Linkedin profile
where we can read he's credentials?
On 8/26/2023 7:31 PM, David Spiegel wrote:
Hi Jon,
You said: "...The M in SMP/e stands for Maintenance ..."
This statement has NEVER been true.
The M is an abbreviation of Modification and it has ALWAYS been this
way.
Regards,
David
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