2:18 a.m.
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Are we sure that the issue is the guest I/O - what's the raw performance on the host
accessing the gluster storage?
----- Original Message -----
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chnologies Inc. | 148 Manitou Drive, Suite 101, Kitchener, ON, Canada |&nbs=
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</div></div <br><br><div
class=3D"gmail_quote">On Thu, Jan 23, 2014 at 4:24 PM, Itamar =
Heim <span dir=3D"ltr"><<a
href=3D"mailto:iheim@redhat.com" target=3D"_b=
lank">iheim(a)redhat.com</a>&gt;</span>
wrote:<br><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex" <div class=3D"im">On
01/23/2014 07:46 PM, Steve Dainard wrote:<br
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0
.8ex;border-left:1p=
x #ccc solid;padding-left:1ex" Backing
Storage: Gluster Replica<br Storage Domain: NFS<br Ovirt Hosts: CentOS 6.5<br Ovirt
version: 3.3.2<br Network: GigE<br # of VM's: 3 - two Linux guests are idle, one Windows guest
is<br installing updates.<br <br I've installed a Windows 2008 R2
guest with virtio disk, and all the<br drivers
from the latest virtio iso. I've also installed the spice agent<br drivers.<br
<br Guest disk access is horribly slow,
Resource monitor during Windows<br updates
shows Disk peaking at 1MB/sec (scale never increases) and Disk<br Queue Length Peaking at 5 and looks to be sitting at that level
99% of<br the time. 113 updates in Windows has
been running solidly for about 2.5<br hours and
is at 89/113 updates complete.<br
</blockquote <br></div virtio-block or virtio-scsi?<br which
windows guest driver version for that?<br
<br <blockquote
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"im" <br I can't say my Linux guests are
blisteringly fast, but updating a guest<br from RHEL
6.3 fresh install to 6.5 took about 25 minutes.<br
<br If anyone has any ideas, please let
me know - I haven't found any tuning<br=
docs for Windows guests that could explain this
issue.<br <br
Thanks,<br <br
<br></div *Steve Dainard *<br <br <br
<br
______________________________<u></u>_________________<br Users mailing list<br <a
href=3D"mailto:Users@ovirt.org"
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target=3D"_blank"=
>http://lists.ovirt.org/<u></u>mailman/listinfo/users</a><br <br </blockquote <br
</blockquote></div><br></div
<br>_______________________________________________<br>Users mailing
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ckquote><br></div></body></html
------=_Part_2033_7533037.1390522771631--
From: "Steve Dainard" <sdainard(a)miovision.com To: "Itamar Heim" <iheim(a)redhat.com Cc: "Ronen Hod" <rhod(a)redhat.com>,
"users" <users(a)ovirt.org>, "Sanjay
Rao" <srao(a)redhat.com Sent: Thursday, January 23, 2014
4:56:58 PM
Subject: Re: [Users] Extremely poor disk access speeds in Windows
guest
I have two options, virtio and virtio-scsi.
I was using virtio, and have also attempted virtio-scsi on another
Windows guest with the same results.
Using the newest drivers, virtio-win-0.1-74.iso.
Steve Dainard
IT Infrastructure Manager
Miovision | Rethink Traffic
519-513-2407 ex.250
877-646-8476 (toll-free)
Blog | LinkedIn | Twitter | Facebook
Miovision Technologies Inc. | 148 Manitou Drive, Suite 101,
Kitchener, ON, Canada | N2C 1L3
This e-mail may contain information that is privileged or
confidential. If you are not the intended recipient, please delete
the e-mail and any attachments and notify us immediately.
On Thu, Jan 23, 2014 at 4:24 PM, Itamar Heim < iheim(a)redhat.com
wrote:
> On 01/23/2014 07:46 PM, Steve Dainard wrote:
> > Backing Storage: Gluster Replica
>
> > Storage Domain: NFS
>
> > Ovirt Hosts: CentOS 6.5
>
> > Ovirt version: 3.3.2
>
> > Network: GigE
>
> > # of VM's: 3 - two Linux guests are idle, one Windows guest is
>
> > installing updates.
>
> > I've installed a Windows 2008 R2 guest with virtio
disk, and all
> > the
>
> > drivers from the latest virtio iso. I've also installed the spice
> > agent
>
> > drivers.
>
> > Guest disk access is horribly slow, Resource monitor
during
> > Windows
>
> > updates shows Disk peaking at 1MB/sec (scale never increases) and
> > Disk
>
> > Queue Length Peaking at 5 and looks to be sitting at that level
> > 99%
> > of
>
> > the time. 113 updates in Windows has been running solidly for
> > about
> > 2.5
>
> > hours and is at 89/113 updates complete.
>
> virtio-block or virtio-scsi?
> which windows guest driver version for that?
> > I can't say my Linux guests are blisteringly fast, but
updating a
> > guest
>
> > from RHEL 6.3 fresh install to 6.5 took about 25 minutes.
>
> > If anyone has any ideas, please let me know - I haven't
found any
> > tuning
>
> > docs for Windows guests that could explain this issue.
>
> > Thanks,
>
> > *Steve Dainard *
>
> > ______________________________ _________________
>
> > Users mailing list
>
> > Users(a)ovirt.org
>
> > http://lists.ovirt.org/ mailman/listinfo/users
>
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
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<html><head><style type=3D'text/css'>p { margin: 0;
}</style></head><body><=
div style=3D'font-family: arial,helvetica,sans-serif; font-size: 10pt; colo=
r: #000000'>Are we sure that the issue is the guest I/O - what's the raw pe=
rformance on the host accessing the gluster storage?<br><br><hr
id=3D"zwchr=
"><blockquote style=3D"border-left:2px solid
#1010FF;margin-left:5px;paddin=
g-left:5px;color:#000;font-weight:normal;font-style:normal;text-decoration:=
none;font-family:Helvetica,Arial,sans-serif;font-size:12pt;"><b>From:
</b>"=
Steve Dainard" &lt;sdainard(a)miovision.com&gt;<br><b>To:
</b>"Itamar Heim" &=
lt;iheim(a)redhat.com&gt;<br><b>Cc: </b>"Ronen Hod"
&lt;rhod(a)redhat.com&gt;, =
"users" &lt;users(a)ovirt.org&gt;, "Sanjay Rao"
&lt;srao(a)redhat.com&gt;<br><b=
Sent: </b>Thursday, January 23, 2014 4:56:58
PM<br><b>Subject: </b>Re: [Us=
ers] Extremely poor disk access
speeds in Windows guest<br><br><div dir=3D"=
ltr">I have two options, virtio and
virtio-scsi.<div><br></div><div>I was u=
sing virtio, and have also attempted virtio-scsi on another Windows guest w=
ith the same results.</div><div><br></div><div>Using the
newest drivers, vi=
rtio-win-0.1-74.iso.</div<a href=3D"http://miovision.com/blog"
target=3D"_blank">Blog</a> | &=
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