> If you want to run Linux you can buy a 2 socket, 128 core enterprise x86 > server with 200TB of disk for less then a single zIIP.
This is the kind of nibble I like the most. Thank you for this example! - KB ------- Original Message ------- On Friday, April 22nd, 2022 at 6:32 AM, David Crayford <dcrayf...@gmail.com> wrote: > On 22/4/22 03:35, Charles Mills wrote: > > > I am not a "corporate shop" guy but apparently "put up a VM LPAR" is a huge > > political leap for many z/OS shops. The idea is facilitating "if we could > > just get one instance of Linux up under z/OS we could show that to senior > > management and take it from there." Hence zCX. > > > Right, but zCX is not free. You have to pay a hardware license fee plus > assign zIIP, disk and storage resources. If you want to run Linux you > can buy a 2 socket, 128 core enterprise x86 server with 200TB of disk > for less then a single zIIP. 400Gbs ethernet is available in most data > centers now. Maybe that's the political leap. z/OS guys want to run > Linux on z Hardware because they own it. Most companies have > provisioning systems like Ansible where you can easily spin up a few > linux VMs. > > Who remembers zBX? That died a death pretty quickly. > > > Charles > > > > -----Original Message----- > > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > > Behalf Of Dave Jones > > Sent: Thursday, April 21, 2022 10:55 AM > > To: IBM-MAIN@LISTSERV.UA.EDU > > Subject: Re: Use of zCX > > > > I agree with Robert's objections to zCX, and, frankly, If all a site wants > > to do is run zLinux applications on an IBM z system, it is much simpler > > (and perhaps cheaper) to just install z/VM on the box and then host as many > > Linux guests as you want. No extra external tooling is needed; just use out > > of the box management apps that are already available. Plus, the system > > programmers have much greater and finer, control over the hardware > > resources (memory, CPU, etc.) each zLinux guest is allowed to consume. And > > of course, z/VM and zLinux run very well on the full speed IFL engines, no > > other specialty engines required. Connect the z/VM and z/OS LPARs together > > by hyper-sockets and you're good to go. > > If I was an z/OS shop looking towards Linux, that's how I would proceed. > > Thought and comments always welcome. > > DJ > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
