Re: [libvirt-users] Windows Guest I/O performance issues (already using virtio) (Matt Schumacher)

2018-08-08 Thread Allence
I think performance is not just about your xml, the host system will have a bigger impact. Maybe you can see this link: Https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html-single/virtualization_tuning_and_optimization_guide/index >Date: Wed, 8 Aug 2018 17:35:11 + >

Re: [libvirt-users] Windows Guest I/O performance issues (already using virtio)

2018-08-08 Thread Gionatan Danti
Il 08-08-2018 19:35 Matt Schumacher ha scritto: I’m using ZVOLs to back the VM, and I’m using 4k block sizes, which seems to offer the best 4k random read/write performance (mail and database workloads), but maybe I’m missing something at this layer too. For the ZFS part: try increasing your vo

[libvirt-users] Windows Guest I/O performance issues (already using virtio)

2018-08-08 Thread Matt Schumacher
List, I have a number of Windows 2016 servers I am deploying, but I’m having some I/O performance issues. I have done all of the obvious things like virtio drivers, but am finding there is more performance to be found with hyper-v extensions, how we virtualize the hardware clock, and iothreads

Re: [libvirt-users] Copy volume from one storage to another

2018-08-08 Thread Vasiliy Tolstov
If two pools on the same nore I'm recommend to use createvolfromxml. In this case libvirt do internal copy on the node via qemu-img. Download/upload takes all data on node that runs client. ср, 8 Авг 2018, 18:24 Shashwat shagun : > Hi, > I want to copy a volume from one to pool to another pool th

Re: [libvirt-users] LIBVIRT-4.6.0 can't work with QEMU 3.0.0

2018-08-08 Thread Holger Schranz
Hi Daniel, Peter, meanwhile it runs without any issues. Thank you for your quick help. Best regards Holger Am 08.08.2018 um 14:02 schrieb Peter Krempa: On Wed, Aug 08, 2018 at 10:06:12 +0100, Daniel Berrange wrote: On Wed, Aug 08, 2018 at 10:58:50AM +0200, Holger Schranz wrote: checking fo

Re: [libvirt-users] Copy volume from one storage to another

2018-08-08 Thread Daniel P . Berrangé
On Wed, Aug 08, 2018 at 08:52:43PM +0530, Shashwat shagun wrote: > Hi, > I want to copy a volume from one to pool to another pool through > libvirt golang api but I’m unaware of any such functions. Can > anybody guide me a little bit here? The "StorageVol" interface in Go provides "Upload" and "Do

[libvirt-users] Copy volume from one storage to another

2018-08-08 Thread Shashwat shagun
Hi, I want to copy a volume from one to pool to another pool through libvirt golang api but I’m unaware of any such functions. Can anybody guide me a little bit here? Best Regards, Shashwat Shagun m...@shashwat.tech ___ libvirt-users mailing list libv

Re: [libvirt-users] Mount URL as cdrom/iso KVM/QEMU

2018-08-08 Thread Daniel P . Berrangé
On Wed, Aug 08, 2018 at 12:11:22PM +, Inception Hosting wrote: > Hi Folks, > > > According to the examples in > http://libvirt.org/formatdomain.html#elementsDisks it should be possible to > mount an iso /url as a cdrom, the example given is: > > > > > > > > >

[libvirt-users] Mount URL as cdrom/iso KVM/QEMU

2018-08-08 Thread Inception Hosting
Hi Folks, According to the examples in http://libvirt.org/formatdomain.html#elementsDisks it should be possible to mount an iso /url as a cdrom, the example given is: I am unable to get this to work at all and wondered if I am just missing something ob

Re: [libvirt-users] LIBVIRT-4.6.0 can't work with QEMU 3.0.0

2018-08-08 Thread Peter Krempa
On Wed, Aug 08, 2018 at 10:06:12 +0100, Daniel Berrange wrote: > On Wed, Aug 08, 2018 at 10:58:50AM +0200, Holger Schranz wrote: > > > checking for JANSSON... no > > This is the problem. In 4.6.0 we just switched to using JANSSOn instead > of yajl for JSON parsing. Your host doesn't have the deve

Re: [libvirt-users] LIBVIRT-4.6.0 can't work with QEMU 3.0.0

2018-08-08 Thread Holger Schranz
Hi Daniel, thank you very much. I will update the configuration and the environment. Best regards Holger Am 08.08.2018 um 11:06 schrieb Daniel P. Berrangé: On Wed, Aug 08, 2018 at 10:58:50AM +0200, Holger Schranz wrote: checking for JANSSON... no This is the problem. In 4.6.0 we just switc

Re: [libvirt-users] LIBVIRT-4.6.0 can't work with QEMU 3.0.0

2018-08-08 Thread Daniel P . Berrangé
On Wed, Aug 08, 2018 at 10:58:50AM +0200, Holger Schranz wrote: > checking for JANSSON... no This is the problem. In 4.6.0 we just switched to using JANSSOn instead of yajl for JSON parsing. Your host doesn't have the development headers installed for jansson > configure: > configure: Conf

Re: [libvirt-users] LIBVIRT-4.6.0 can't work with QEMU 3.0.0

2018-08-08 Thread Holger Schranz
Hello, I have attached the requested material (I hope) Best regards Holger Am 08.08.2018 um 10:10 schrieb Daniel P. Berrangé: On Wed, Aug 08, 2018 at 10:07:58AM +0200, Holger Schranz wrote: Hello, if I try to use Llibvirt-4.6.0 together with qemu-3.0.0-rc4. I run into an issue. Please see t

Re: [libvirt-users] LIBVIRT-4.6.0 can't work with QEMU 3.0.0

2018-08-08 Thread Daniel P . Berrangé
On Wed, Aug 08, 2018 at 10:07:58AM +0200, Holger Schranz wrote: > Hello, > > if I try to use Llibvirt-4.6.0 together with qemu-3.0.0-rc4. > I run into an issue. Please see the following Memo. > > Best regards > > Holger > > ===

[libvirt-users] LIBVIRT-4.6.0 can't work with QEMU 3.0.0

2018-08-08 Thread Holger Schranz
Hello, if I try to use Llibvirt-4.6.0 together with qemu-3.0.0-rc4. I run into an issue. Please see the following Memo. Best regards Holger Procduce QEMU-3.0.0-RC4 and LIBVIRT-4.6.0: QEMU-3-0-0-RC4:   make clea