<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Jan 29, 2014 at 5:11 AM, Vadim Rozenfeld <span dir="ltr"><<a href="mailto:vrozenfe@redhat.com" target="_blank" onclick="window.open('https://mail.google.com/mail/?view=cm&tf=1&to=vrozenfe@redhat.com&cc=&bcc=&su=&body=','_blank');return false;">vrozenfe@redhat.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div>On Wed, 2014-01-29 at 11:30 +0200, Ronen Hod wrote:<br>
> Adding the virtio-scsi developers.<br>
> Anyhow, virtio-scsi is newer and less established than viostor (the<br>
> block device), so you might want to try it out.<br>
<br>
</div>[VR]<br>
Was it "SCSI Controller" or "SCSI pass-through controller"?<br>
If it's "SCSI Controller" then it will be viostor (virtio-blk) device<br>
driver.<br>
<div><br></div></blockquote><div><br></div><div>"SCSI Controller" is listed in device manager.</div><div><br></div><div>Hardware ID's: </div><div><div>PCI\VEN_1AF4&DEV_1004&SUBSYS_00081AF4&REV_00</div>
<div>PCI\VEN_1AF4&DEV_1004&SUBSYS_00081AF4</div><div>PCI\VEN_1AF4&DEV_1004&CC_010000</div><div>PCI\VEN_1AF4&DEV_1004&CC_0100</div></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div>
<br>
> A disclaimer: There are time and patches gaps between RHEL and other<br>
> versions.<br>
><br>
> Ronen.<br>
><br>
> On 01/28/2014 10:39 PM, Steve Dainard wrote:<br>
><br>
> > I've had a bit of luck here.<br>
> ><br>
> ><br>
> > Overall IO performance is very poor during Windows updates, but a<br>
> > contributing factor seems to be the "SCSI Controller" device in the<br>
> > guest. This last install I didn't install a driver for that device,<br>
<br>
</div>[VR]<br>
Does it mean that your system disk is IDE and the data disk (virtio-blk)<br>
is not accessible?<br></blockquote><div><br></div><div>In Ovirt 3.3.2-1.el6 I do not have an option to add a virtio-blk device:</div><div>Screenshot here: <a href="https://dl.dropboxusercontent.com/u/21916057/Screenshot%20from%202014-01-29%2010%3A04%3A57.png" target="_blank">https://dl.dropboxusercontent.com/u/21916057/Screenshot%20from%202014-01-29%2010%3A04%3A57.png</a></div>
<div><br></div><div>VM disk drive is "Red Hat VirtIO SCSI Disk Device", storage controller is listed as "Red Hat VirtIO SCSI Controller" as shown in device manager.</div><div>Screenshot here: <a href="https://dl.dropboxusercontent.com/u/21916057/Screenshot%20from%202014-01-29%2009%3A57%3A24.png" target="_blank">https://dl.dropboxusercontent.com/u/21916057/Screenshot%20from%202014-01-29%2009%3A57%3A24.png</a><br>
</div><div><br></div><div>In Ovirt manager the disk interface is listed as "VirtIO".</div><div>Screenshot here: <a href="https://dl.dropboxusercontent.com/u/21916057/Screenshot%20from%202014-01-29%2009%3A58%3A35.png" target="_blank">https://dl.dropboxusercontent.com/u/21916057/Screenshot%20from%202014-01-29%2009%3A58%3A35.png</a></div>
<div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div><br>
> > and my performance is much better. Updates still chug along quite<br>
> > slowly, but I seem to have more than the < 100KB/s write speeds I<br>
> > was seeing previously.<br>
> ><br>
> ><br>
> > Does anyone know what this device is for? I have the "Red Hat VirtIO<br>
> > SCSI Controller" listed under storage controllers.<br>
<br>
</div>[VR]<br>
It's a virtio-blk device. OS cannot see this volume unless you have<br>
viostor.sys driver installed on it.<br></blockquote><div><br></div><div>Interesting that my VM's can see the controller, but I can't add a disk for that controller in Ovirt. Is there a package I have missed on install?</div>
<div><br></div><div><div>rpm -qa | grep ovirt</div><div>ovirt-host-deploy-java-1.1.3-1.el6.noarch</div><div>ovirt-engine-backend-3.3.2-1.el6.noarch</div><div>ovirt-engine-lib-3.3.2-1.el6.noarch</div><div>ovirt-engine-restapi-3.3.2-1.el6.noarch</div>
<div>ovirt-engine-sdk-python-3.3.0.8-1.el6.noarch</div><div>ovirt-log-collector-3.3.2-2.el6.noarch</div><div>ovirt-engine-dbscripts-3.3.2-1.el6.noarch</div><div>ovirt-engine-webadmin-portal-3.3.2-1.el6.noarch</div><div>ovirt-host-deploy-1.1.3-1.el6.noarch</div>
<div>ovirt-image-uploader-3.3.2-1.el6.noarch</div><div>ovirt-engine-websocket-proxy-3.3.2-1.el6.noarch</div><div>ovirt-engine-userportal-3.3.2-1.el6.noarch</div><div>ovirt-engine-setup-3.3.2-1.el6.noarch</div><div>ovirt-iso-uploader-3.3.2-1.el6.noarch</div>
<div>ovirt-engine-cli-3.3.0.6-1.el6.noarch</div><div>ovirt-engine-3.3.2-1.el6.noarch</div><div>ovirt-engine-tools-3.3.2-1.el6.noarch</div></div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div><div><br>
> ><br>
> > I've setup a NFS storage domain on my desktops SSD.<br>
> > I've re-installed<br>
> > win 2008 r2 and initially it was running smoother.<br>
> ><br>
> > Disk performance peaks at 100MB/s.<br>
> ><br>
> > If I copy a 250MB file from a share into the Windows<br>
> > VM, it writes out<br>
</div></div>[VR]<br>
Do you copy it with Explorer or any other copy program?<br></blockquote><div><br></div><div>Windows Explorer only.</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Do you have HPET enabled?<br></blockquote><div><br></div><div>I can't find it in the guest 'system devices'. On the hosts the current clock source is 'tsc', although 'hpet' is an available option.</div>
<div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
How does it work with if you copy from/to local (non-NFS) storage?<br></blockquote><div><br></div><div>Not sure, this is a royal pain to setup. Can I use my ISO domain in two different data centers at the same time? I don't have an option to create an ISO / NFS domain in the local storage DC.</div>
<div><br></div><div>When I use the import option with the default DC's ISO domain, I get an error "There is no storage domain under the specified path. Check event log for more details." VDMS logs show "Resource namespace 0e90e574-b003-4a62-867d-cf274b17e6b1_imageNS already registered" so I'm guessing the answer is no.</div>
<div><br></div><div>I tried to deploy with WDS, but the 64bit drivers apparently aren't signed, and on x86 I get an error about the NIC not being supported even with the drivers added to WDS.</div><div><br></div>
<div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
What is your virtio-win drivers package origin and version?<br></blockquote><div><br></div><div>virtio-win-0.1-74.iso -> <a href="http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/" target="_blank">http://alt.fedoraproject.org/pub/alt/virtio-win/latest/images/</a></div>
<div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<br>
Thanks,<br>
Vadim.<br>
<div><div><br><br></div></div></blockquote><div><br></div><div>Appreciate it,</div><div>Steve</div></div></div></div>