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> Are the disk partitions properly aligned to 4k boundary on the host (and in > the guests too) ? > There are 5 in total server. 32G ram. 2T r1 (soft) disk. On Mon, Feb 8, 2016 at 9:41 PM, Zoltan Frombach <zoltan at frombach.com> wrote: > Are the disk partitions properly aligned to 4k boundary on the host (and in > the guests too) ? > > See > http://www.ibm.com/developerworks/library/l-linux-on-4kb-sector-disks/index.html > and this: > http://unix.stackexchange.com/questio...

Windows 2k8 R2 guest with updated virtio drivers is idle inside but on the host qemu-kvm process uses 7-15% cpu. Things that have been tried without any significant success - removed tablet device - manually set cpu topology for cores per socket Is it just me or the qemu-kvm has little tolerance with windows?

Windows 2k8 R2 guest with updated virtio drivers is idle inside but on the host qemu-kvm process uses 7-15% cpu. Things that have been tried without any significant success - removed tablet device - manually set cpu topology for cores per socket Is it just me or the qemu-kvm has little tolerance with windows?

...39;virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </interface> --- Howard From: centos-virt-bounces at centos.org [mailto:centos-virt-bounces at centos.org] On Behalf Of Zoltan Frombach Sent: Wednesday, December 9, 2015 4:24 AM To: Discussion about the virtualization on CentOS <centos-virt at centos.org> Subject: Re: [CentOS-virt] How to manually add a new interface to a bridge device? You most definitely do not need to destroy and re-create a VM just to add a 2nd netwo...

Zoltan Frombach writes: > Hi, > > I did many physical (Windows) to virtual (kvm) conversions before. The > instructions in general are good here: > http://www.linux-kvm.org/page/Boot_from_virtio_block_device , so yes, you > must add a dummy ("fake") 2nd disk drive to the guest first, b...

Hello I use KVM. In a virtual machine "jbd2 dm-0" disk I / O is very increases. It consumes up to 99%. For this reason, slowing down the other virtual machine. What should I do to solve the problem. ? Thanks..

...is virt-install doing that creates the needed vnet interface that is part of the bridge. I really had to kill and reload the VM just to load a second interface.. --- Howard Leadmon From: centos-virt-bounces at centos.org [mailto:centos-virt-bounces at centos.org] On Behalf Of Zoltan Frombach Sent: Wednesday, December 9, 2015 2:42 AM To: Discussion about the virtualization on CentOS <centos-virt at centos.org> Subject: Re: [CentOS-virt] How to manually add a new interface to a bridge device? I would stop the VM, edit its definition file (that's an XML file) and then start...

...s type='pci' domain='0x0000' bus='0x00' slot='0x04' > function='0x0'/> > > </interface> > > --- > > Howard > > *From:*centos-virt-bounces at centos.org > [mailto:centos-virt-bounces at centos.org] *On Behalf Of *Zoltan Frombach > *Sent:* Wednesday, December 9, 2015 4:24 AM > *To:* Discussion about the virtualization on CentOS > <centos-virt at centos.org> > *Subject:* Re: [CentOS-virt] How to manually add a new interface to a > bridge device? > > > You most definitely do not need to destroy...

On 2/2/2016 12:05 PM, isdtor wrote: > Zoltan Frombach writes: >> Hi, >> >> I did many physical (Windows) to virtual (kvm) conversions before. The >> instructions in general are good here: >> http://www.linux-kvm.org/page/Boot_from_virtio_block_device , so yes, you >> must add a dummy ("fake") 2nd disk driv...

I have converted a physical machine to kvm, following instructions on the proxmox wiki. So far so good. Now I'm attempting to convert the vm from ide to virtio following the instructions here, http://www.linux-kvm.org/page/Boot_from_virtio_block_device, with virtio-win-stable from Fedora. The guest is running Windows XP. When the new hardware wizard popped up finding the RedHat VirtIO SCSI

...e needed vnet interface that is > part of the bridge. I really had to kill and reload the VM just to > load a second interface.. > > --- > > Howard Leadmon > > *From:*centos-virt-bounces at centos.org > [mailto:centos-virt-bounces at centos.org] *On Behalf Of *Zoltan Frombach > *Sent:* Wednesday, December 9, 2015 2:42 AM > *To:* Discussion about the virtualization on CentOS > <centos-virt at centos.org> > *Subject:* Re: [CentOS-virt] How to manually add a new interface to a > bridge device? > > I would stop the VM, edit its definition file (...

Maybe my google-fu is failing me, but I have spent the past couple hours looking at how to add a vnet? Device to my KVM host running CentOS 6, and for the life of me I can't get this going. >From all my research if I want to add a device I should just do 'brctl addif br1 vnet14' if I want to add a vnet14 to bridge br1. When I do this, I get: # brctl addif br0 vnet14

Hi, Please let me know in case I am posting my question to the wrong forum. I apologize if that is the case! Here is my question: We run CentOS 6.3 on a server with dual Xeon CPU's. Our "dual blade" server uses this motherboard: http://www.supermicro.com/products/motherboard/Xeon/C600/X9DRT-HF.cfm We have two of these CPUs installed and working: Intel(R) Xeon(R) CPU E5-2620 0 @

I would stop the VM, edit its definition file (that's an XML file) and then start it up. But be careful: After you edit the XML file, you need to execute a command so KVM re-reads that file. I forgot that command, but you can look it up on Google. On Dec 9, 2015 7:52 AM, "Howard Leadmon" <howard at leadmon.net> wrote: > > > Maybe my google-fu is failing me, but I have

Hi, I did many physical (Windows) to virtual (kvm) conversions before. The instructions in general are good here: http://www.linux-kvm.org/page/Boot_from_virtio_block_device , so yes, you must add a dummy ("fake") 2nd disk drive to the guest first, boot up the guest, install the virtio drivers to that 2nd virtual HDD and after that you can shutdown the guest, remove the dummy drive

Are the disk partitions properly aligned to 4k boundary on the host (and in the guests too) ? See http://www.ibm.com/developerworks/library/l-linux-on-4kb-sector-disks/index.html and this: http://unix.stackexchange.com/questions/247387/check-if-partitions-are-aligned-properly-for-performance On 2/8/2016 8:12 PM, Gokan Atmaca wrote: > Hello > > I use KVM. In a virtual machine "jbd2