OpenBSD XEN/PVHVM guest

requirements

grab latest release ISO image

rel=7.3
rl=73
mirror=...

mkdir /data/ISO-IMAGES/obsd/
cd /data/ISO-IMAGES/obsd/

wget $mirror/$rel/amd64/install$rl.iso

vdisk

guest=ocarp1

sparse-file

mkdir -p /data/guests/$guest/
cd /data/guests/$guest/
dd if=/dev/zero of=$guest.raw bs=1G count=0 seek=8

dnc

dnc-new-resource-template.bash NODE1 NODE2 SLOT $guest

ls -lF /dev/drbd/by-res/$guest

guest skeleton

mkdir -p /data/guests/$guest/
cd /data/guests/$guest/
vi $guest

vnc = 1
vnclisten = "0.0.0.0"
vncpasswd = "PASSWORD"
boot = "cd"

#nographics = 1
#serial = "pty"

type = "hvm"
on_crash = "preserve"

name = "$guest"
memory = 1024
vcups = 4
disk = [ 'tap:tapdisk:aio:/data/guests/obsd/obsd.raw,xvda,w',
         'tap:tapdisk:aio:/data/ISO-IMAGES/obsd/install$rl.iso,xvdb:cdrom,r' ]
#disk = [ 'phy:/dev/drbd/by-res/$guest/0,xvda,w',
vif = [ 'bridge=guestbr0, vifname=$guest.0',
    'bridge=guestbr0, vifname=$guest.1' ]

Ready to go for VNC

xl create $guest -c

netstat -lntupe | grep -i qemu

vncviewer x.x.x.x:5900

and see obsd-install

Ready to go for console

switch back to console

cd /data/guests/$guest/
vi $guest

#vnc = 1
#vnclisten = "0.0.0.0"
#vncpasswd = "PASSWORD"
#boot = "cd"

nographics = 1
serial = "pty"

Resources

pvhvm

OpenBSD support for Xen Project https://wiki.xen.org/wiki/OpenBSD

DomU Support for Xen https://wiki.xen.org/wiki/DomU_Support_for_Xen

OpenBSD 5.9 https://www.openbsd.org/59.html

Xen Linux PV on HVM drivers https://wiki.xen.org/wiki/Xen_Linux_PV_on_HVM_drivers

xl.cfg - xl domain configuration file syntax https://xenbits.xen.org/docs/unstable/man/xl.cfg.5.html

was hvm?

[Xen-users] OpenBSD HVM networking misbehaves with Xen4 https://lists.xen.org/archives/html/xen-users/2011-06/msg00489.html

avoid pxe

Setting boot order for domUs https://wiki.xenproject.org/wiki/Setting_boot_order_for_domUs

serial

OpenBSD FAQ - Keyboard and Display Controls https://www.openbsd.org/faq/faq7.html

boot, boot.conf — amd64-specific second-stage bootstrap https://man.openbsd.org/boot.8

com — serial communications interface https://man.openbsd.org/com.4

OpenBSD: Setup a Serial Console https://www.cyberciti.biz/faq/openbsd-connect-serial-console/

Xen Serial Console https://wiki.xenproject.org/wiki/Xen_Serial_Console