Re: need help with my config

[Klaus Kiwi <kkiwi@redhat.com>]

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Just making sure Cedric is also seeing this...

 -Klaus

On Fri, Jul 30, 2021 at 10:27 AM Philippe Mathieu-Daudé <philmd@redhat.com>
wrote:

> Cc'ing qemu-ppc@
>
> On 7/30/21 6:25 AM, Lindsay Ryan wrote:
> > Hi
> > I'm trying to emulate some physical IBM Power 9's that we have. There
> > seems to be plenty of examples of using x86_64 qemu, but slightly less
> > for Power. Unless it's specifically for installing AIX
> > Anyway, I'm trying to boot the VM as I guess a bare metal Power 9 box,
> > then install redhat from Iso on a disk and have it on the network.
> >
> > ./qemu-system-ppc64 -cpu POWER9 -smp cpus=4 -machine pseries -m 4096 -M
> > accel=tcg  -serial stdio -nodefaults -nographic -device
> > megasas,id=scsi0,bus=pci.0,addr=0x5 -drive
> >
> file=/home/hdisk1.qcow2,if=none,id=drive-scsi0-0-0-0,format=qcow2,cache=none
> > -device
> >
> scsi-hd,bus=scsi0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0-0-0-0,id=scsi0-0-0-0,bootindex=2
> > -cdrom /mnt/images/rhel-8.4-ppc64le-boot.iso -monitor
> > telnet:0.0.0.0:3344,server,nowait -netdev
> > bridge,id=net0,helper=qemu-bridge-helper,br=bridge0,id=hostnet0
> >
> > So the megasas gets detected as a raid controller. Yay.
> > But my qcow2 disk image doesn't seem to be plugged into it correctly as
> > it's not detected.
> > It sees the cdrom image and I can boot from it.
> > The other thing I can't get working is the network card.
> >
> > On this host system I have some other x86 kvm's running. So Ideally if I
> > could plug the nic on this vm into
> > 7: virbr0
> >
> > 6: bridge0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> > state UP group default qlen 1000
> >     link/ether 00:25:b5:04:2a:1e brd ff:ff:ff:ff:ff:ff
> >     inet 10.126.24.82/24 brd 10.126.24.255 scope global noprefixroute
> > bridge0
> >        valid_lft forever preferred_lft forever
> >     inet6 fe80::76a8:89ec:fc62:9c94/64 scope link noprefixroute
> >        valid_lft forever preferred_lft forever
> > 7: virbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue
> > state UP group default qlen 1000
> >     link/ether 52:54:00:51:db:be brd ff:ff:ff:ff:ff:ff
> >     inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
> >        valid_lft forever preferred_lft forever
> >
> > If I can't do that, then I really only need the ppc64 guest to have
> > access out to the internet and I can nat anything incoming
> >
> > Any help, particularly about how to plug virtual disk drives into
> > virtual disk controllers would be helpful
> > regards
> >
> >
> > Ryan Lindsay BEng, MSc.
> > Linux Storage Administrator
> > Research Computing Facility
> >
> >
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>
>

-- 
Klaus Heinrich Kiwi <kkiwi@redhat.com>
Manager, Software Engineering - Red Hat Virtualization

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