>>> On 2/10/2017 at 03:06 PM, Paul Gilmartin <[email protected]> wrote: > So the Rockhopper is built on a z12 and Emperor on a z13. But:
Not any more. With the release of the z13s, that changed. > ... The z13 mainframe series can hold up to 10 TBs of memory. > Its 8-core z13 CPU can run up to 5GHz. ... > > 8-core seems small. Are they only IFLs? Uncapped? That's 8 cores per socket. They contain the same number of customer usable processors as their "normal" relations: 141 for the Emperor, and 20 for the Rockhopper. The LinuxONE machines are IFL only boxes. Like all specialty engines, they run full speed. > Elsewhere I read it can use either KVM or zVM as a hypervisor. > Some months ago, I asked on IBMVM whether a z/VM system > with only Linux guests could be CMS-free, using Linux for > administrative chores and sparing administrators the need to > learl another OS. The answers distilled to: "You wouldn't > want to do that; you't forgo all the utilities coded for CMS." > I'm not sure that's unbiased. It may be biased, but it's also correct. Of course, for people that _want_ to spend untold hours reinventing the wheel with all the attendant problems that go along with that, that's not a real consideration. Mark Post ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
