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Hi All it is possible to tune dom0/domU for better IO/network performance? Since I have changed to Cenots7 dom0, I have a really poor IO performance inside a PV VM. I have already done what is described on http://wiki.xenproject.org/wiki/Tuning_Xen_for_Performance It is better now but still significantly worse than with centos6 dom0 my settings: xen parameter: dom0_mem=1024M cpufreq=xen dom0_max_vcpu...

?I downloaded Centos 7 and i want to update from local usb i created using dd if=cenots7 of=/dev/sdc?i dont want to reinstall, i need just to update.What would be the best way to do so pleaseThanks muchBachir

...shares) could selinux be the problem? I have it in permissive mode on all hosts here (dom0 and domU) not disabled... Any hints for me? Am 2015-09-01 06:47, schrieb Christoph: > Hi All > > it is possible to tune dom0/domU for better IO/network performance? > Since I have changed to Cenots7 dom0, I have a really poor IO > performance inside a PV VM. > > I have already done what is described on > http://wiki.xenproject.org/wiki/Tuning_Xen_for_Performance > It is better now but still significantly worse than with centos6 dom0 > > my settings: > > xen parame...

On 2 Sep 2015, at 09:22, Pasi K?rkk?inen <pasik at iki.fi> wrote: > On Tue, Sep 01, 2015 at 06:47:18AM +0200, Christoph wrote: >> Hi All >> > > Hello, > >> it is possible to tune dom0/domU for better IO/network performance? >> Since I have changed to Cenots7 dom0, I have a really poor IO >> performance inside a PV VM. >> >> I have already done what is described on >> http://wiki.xenproject.org/wiki/Tuning_Xen_for_Performance >> It is better now but still significantly worse than with centos6 dom0 >> >> my set...