[CentOS-virt] Is kvm-clock dependant on hardware of Phy sical Server?

2010-11-03 Thread Steven Ellis
I've got a three Centos 5.5 KVM severs, but only one of them is presenting guests with the kvm-clock source. The two servers I'm not seeing kvm-clock on have Athlon x2 64bit processors. The other server with kvm-clock has a Phenom II X6 1090T Processor. I've checked the system

Re: [CentOS-virt] Is kvm-clock dependant on hardware of Phy sical Server?

2010-11-03 Thread Steven Ellis
On Thu, 04 Nov 2010 17:03:33 +1300, Steven Ellis mail_li...@stevencherie.net wrote: I've got a three Centos 5.5 KVM severs, but only one of them is presenting guests with the kvm-clock source. The two servers I'm not seeing kvm-clock on have Athlon x2 64bit processors. The other

Re: [CentOS-virt] Xen on Centos 5.5 vs 5.3 and stability issues

2010-10-31 Thread Steven Ellis
again, but it will be a couple of days before I can bring the server down again. Steve On Thu, 28 Oct 2010 17:37:17 +0300, Pasi Kärkkäinen pa...@iki.fi wrote: On Thu, Oct 28, 2010 at 01:56:33PM +1300, Steven Ellis wrote: I've recently upgraded a Centos 5.3 machine to Centos 5.5. The hardware

[CentOS-virt] Xen on Centos 5.5 vs 5.3 and stability issues

2010-10-27 Thread Steven Ellis
I've recently upgraded a Centos 5.3 machine to Centos 5.5. The hardware isn't HVM capabile so I'm only running para-virt guests. Using a vanilla i386 kernel boots without, but the newer kernel-xen locks up the Dom0 after a couple of minute. I'm only booting into single user mode for these

Re: [CentOS-virt] VMWare 4.1 and CentOS

2010-10-27 Thread Steven Ellis
On Sun, 24 Oct 2010 23:47:09 +0200, Alexander Dalloz ad+li...@uni-x.org wrote: Am 24.10.2010 23:03, schrieb Drew Kollasch: Is there any known issues when trying to run CentOS (x86 or x64) on a fresh install of vmware 4.1? Details as to why I am asking are here in the CentOS forums:

Re: [CentOS-virt] Xen on Centos 5.5 vs 5.3 and stability issues

2010-10-27 Thread Steven Ellis
the host/which one? (I'm using almost-latest, ie last week, kernel on host and guest (pygrub) on hardware raid, haven't had any issues to date.) Eric Sent from my iPhone. Pardon the top-posting! On Oct 27, 2010, at 5:56 PM, Steven Ellis wrote: I've recently upgraded a Centos 5.3

[CentOS-virt] Clock Sources under Centos 5.5

2010-09-26 Thread Steven Ellis
appear to be a difference, Any where else to look? Steve -- Steven Ellis - Bulletin.Net Inc - http://www.bulletin.net ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt

Re: [CentOS-virt] What kernel params to use with KVM hosts??

2010-03-16 Thread Steven Ellis
net.bridge.bridge-nf-call-iptables = 0 net.bridge.bridge-nf-call-arptables = 0 # Virtual machines special kernel params vm.swappiness = 0 Care to explain some of your choices. In particular why vm.swappiness = 0 and why elevator=deadline over noop. Steve -- Steven Ellis - Director

[CentOS-virt] Logrotate/cron and major I/O contention with KVM.

2010-03-10 Thread Steven Ellis
/linux-virtual-machine-tuning-guide/ This suggests avoiding running scheduled jobs simultaneously across guests, and suggests using a random sleep. Does anyone else have suggestions on reducing the impact of cron/logrotate. -- *Steven Ellis - Director of Worldwide Engineering,* *Bulletin.Net Inc

Re: [CentOS-virt] Controlling allocation of ethernet devices and KVM

2009-11-29 Thread Steven Ellis
Tait Clarridge wrote: On Fri, 2009-11-27 at 14:02 +1300, Steven Ellis wrote: Running Centos 5.4 with KVM on a Dell R610 server and I'd like to control which of the four ethernet interfaces are used for specific tasks My ideal configuration would be eth0 - Host traffic only, no virtual

[CentOS-virt] Controlling allocation of ethernet devices and KVM

2009-11-26 Thread Steven Ellis
with no local IP. Any ideas? Steve -- *Steven Ellis - Director of Worldwide Engineering,* *Bulletin.Net Inc* - http://www.bulletin.net/ ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt