Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Timothy Sipples
I'd like to point out that there's a general trend toward workload containerization, and a big driver is that it's easier to move container images around than whole operating system instances. Thus if you shift workloads into container images, you should end up with fewer, skinnier OS instances

Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Alan Haff
Closing the loop... I got the system up and running under KVM. I hadn't seen Viktor's message yet but I did basically the same steps. Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Viktor Mihajlovski: >I assume it's SLES, It is. I'm starting with a SLES guest but I have RHEL

Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Mike Friesenegger
On 11/30/20 11:34 PM, Christian Borntraeger wrote: On 30.11.20 21:10, Mark Post wrote: On 11/30/20 1:16 PM, Alan Haff wrote: I have a number of Linux guests running under z/VM. I'd like to move some of them to a KVM host running in another LPAR. Naively I tried DDRing a guest's disks to new

Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Viktor Mihajlovski
On 12/1/20 5:25 PM, Alan Haff wrote: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Richard J Moore: In this case I think you're saying have two configurations - one under KVM and another under zVM. Then manually co-ordinate the sharing or resources but ensure that you don't

Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Alan Haff
Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Richard J Moore: >In this case I think you're saying have two configurations - one under KVM >and another under zVM. Then manually co-ordinate the sharing or resources >but ensure that you don't have both guests logged on

Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Richard J Moore
Linux on 390 Port wrote on 01/12/2020 11:51:37: > From: Christian Borntraeger > To: LINUX-390@VM.MARIST.EDU > Date: 01/12/2020 11:55 > Subject: [EXTERNAL] Re: Moving a Linux guest from z/VM to KVM? > Sent by: Linux on 390 Port > > On 01.12.20 12:07, Richard J Moore wrot

Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Christian Borntraeger
On 01.12.20 12:07, Richard J Moore wrote: > Is that really possible (KVM guest <-> z/VM guest)? > As far as I am aware the KVM and zVM hypervisors share no metadata > regarding the guest's set up. Nor do they share any of the protocols used > in live (or dead) guest relocation. > > Am I

Re: Moving a Linux guest from z/VM to KVM?

2020-12-01 Thread Richard J Moore
Christian Borntraeger To: LINUX-390@VM.MARIST.EDU Date: 01/12/2020 06:35 Subject:[EXTERNAL] Re: Moving a Linux guest from z/VM to KVM? Sent by:Linux on 390 Port On 30.11.20 21:10, Mark Post wrote: > On 11/30/20 1:16 PM, Alan Haff wrote: >> I have a number of Linux g

Re: Moving a Linux guest from z/VM to KVM?

2020-11-30 Thread Christian Borntraeger
On 30.11.20 21:10, Mark Post wrote: > On 11/30/20 1:16 PM, Alan Haff wrote: >> I have a number of Linux guests running under z/VM. I'd like to move some of >> them to a KVM host running in another LPAR. Naively I tried DDRing a guest's >> disks to new volumes and IPLing off of the new volumes.

Re: Moving a Linux guest from z/VM to KVM?

2020-11-30 Thread Mark Post
On 11/30/20 1:16 PM, Alan Haff wrote: > I have a number of Linux guests running under z/VM. I'd like to move some of > them to a KVM host running in another LPAR. Naively I tried DDRing a guest's > disks to new volumes and IPLing off of the new volumes. No luck, the virtio > modules aren't

Moving a Linux guest from z/VM to KVM?

2020-11-30 Thread Alan Haff
I have a number of Linux guests running under z/VM. I'd like to move some of them to a KVM host running in another LPAR. Naively I tried DDRing a guest's disks to new volumes and IPLing off of the new volumes. No luck, the virtio modules aren't available in the guest so it can't see any DASD.