Xen

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Xen clustering/HA

Hardware requirements

egrep '^flags.*pae' /proc/cpuinfo

Useful commands

xm dmesg
xen-create-image
xentop

FAQ

ERROR: Can't find hypervisor information in sysfs

Possible booting wrong kernel, otherwise try:

/etc/grub.d/20_linux_xen
update-grub
reboot


xl: unable to exec console client: No such file or directory

set "memory = 320" in the config file

Where did the memory of my dom0 go??

After killing a vm, xen keeps the memory reserved. If you really want to reclaim it, use:

xm mem-set 0 <the amount you want back>M

No network in windows

Domain does not exist

A vague way of telling you xm create failed to start?

Error: 'NoneType' object has no attribute 'rfind'

Debian thing, means install xen-qemu-dm-4.0