https://en.wikipedia.org/wiki/High_availability#Percentage_c...
"5 This price reflects the base hardware configuration, and does not include additional items, maintenance, the operating system or other software. All prices are in USD. Prices shown do not include tax. Price will vary based on country and currency."
https://newsroom.ibm.com/2024-02-06-New-IBM-LinuxONE-4-Expre...
It's a z-series mainframe and I don't doubt these reliability numbers.
The world's financial system runs on these mainframes. An undetected bit error at the federal reserve might cause IBM to appear in the news, in a bad way, like Boeing..
It will not have the fastest single-threaded performance, but that's not why you buy it.
The mainframe mindset: Of course each core is running at 100% all the time... I paid a lot for it, so I want my money's worth. z/OS is designed to make this feasible. Not sure how well that works in Linux.. but it's where the market is.
No, it hasn't for a long time
https://www.globalcallforwarding.com/wp-content/uploads/2022...