Re:New IBM LinuxONE 4 Express – Rack-mounted pre-configured ...
by bitwize on Tuesday February 06, 2024 @03:06PM
(#39279804)
The LinuxONE line is, I believe, a series of Linux-only mainframes; z/OS is not an option on them. They're IBM's entry-level option for businesses who salivate at those mainframe reliability numbers but don't have any OS/360|OS/370|z/OS apps and don't want to pay for the support on those systems.
Re:New IBM LinuxONE 4 Express – Rack-mounted pre-configured ...
by jhallenworld on Tuesday February 06, 2024 @03:07PM
(#39279820)
I think you're right it can't run the apps, but I see it's running z/VM as the hypervisor.
Re:New IBM LinuxONE 4 Express – Rack-mounted pre-configured ...
by coolkil on Tuesday February 06, 2024 @05:09PM
(#39281444)
Only for Linux guests. It is also possible to run kvm
Re:New IBM LinuxONE 4 Express – Rack-mounted pre-configured ...
by rbanffy on Tuesday February 06, 2024 @06:00PM
(#39282077)
IIRC, IBM Cloud's Hyperprotect VMs run on KVM.
Re:New IBM LinuxONE 4 Express – Rack-mounted pre-configured ...
by bitcharmer on Wednesday February 07, 2024 @05:32AM
(#39286832)
> The world's financial system runs on these mainframes
No, it hasn't for a long time
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.