Hi, I've made a custom centos 6.7 image on a proxmox with kvm hypervisor with the goal of using it with openstack. I setup all the necessary cloud-init packages that are needed by openstack. Everything seems to work fine on openstack, except that the drive speed in fio is about 50% of what I can achieve on other images.
Basically, on a ubuntu 14.04 with the following FIO command, I can reach about 1 GB/sec : fio --name=testfio --filename=testfio --bs=4m --rw=write --size=5g However, on my centos 6.7 image, I will only reach about 400 MB/sec. Why is there such a huge discrepancy between both OS? I've always used virtio, both on the proxmox hypervisor and on openstack. -- ====================== Jean-Philippe Méthot Administrateur système / System administrator GloboTech Communications Phone: 1-514-907-0050 Toll Free: 1-(888)-GTCOMM1 Fax: 1-(514)-907-0750 jpmet...@gtcomm.net http://www.gtcomm.net _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
