virt September 2014

virt@lists.centos.org

21 participants
22 discussions

CentOS ovirt-3.1 repository
by Hideo Goto 01 Sep '14

01 Sep '14

Dear sirs, We are operating an Ovirt-3.1(2) based virtual server system with approx 10 CentOS6+vdsm nodes. Engine and node server's were build using RPMs installed through the here-below Yum repository, according to the HowTo on the CentOS site (http://wiki.centos.org/HowTos/oVirt) http://dev.centos.org/centos/6/ovirt/ovirt.repo While I have another node server to add, I kew that this repository does not exists any more. I would be glad if someone could tell me where we can find the archives. Thanks in advance Hideo Goto

3 2

Masking CPU flags via libvirt xml not working?
by Nathan March 01 Sep '14

01 Sep '14

Hi, Has anyone here managed to get cpu masking working via libvirt? Intention to enable VM migrations between hosts of a different CPU generation. Inside my xml I'm providing the model as well as a list of features to specifically disable, but none of it seems to take any effect. On booting the VM I still see the disabled flags in /proc/cpuinfo <cpu match='exact' mode='custom'> <arch>x86_64</arch> <model fallback='forbid'>Westmere</model> <feature policy='disable' name='dtherm'/> <feature policy='disable' name='erms'/> <feature policy='disable' name='fsgsbase'/> <feature policy='disable' name='pts'/> <feature policy='disable' name='pln'/> <feature policy='disable' name='rdrand'/> <feature policy='disable' name='f16c'/> <feature policy='disable' name='aes'/> <feature policy='disable' name='tsc_deadline_timer'/> <feature policy='disable' name='x2apic'/> <feature policy='disable' name='dtherm'/> <feature policy='disable' name='pclmulqdq'/> </cpu> Doing a dumpxml against the domU once it's booted leaves out the entire <cpu> section, leading me to think maybe libvirt is dropping it for some reason. I've got the above <cpu> just in the main <domain> section. Anyone have this working or able to offer some suggestions? Thanks! - Nathan

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virt September 2014