From rkoch at rk-it.at Sat Jan 30 07:57:49 2016 Content-Type: multipart/mixed; boundary="===============7608462614957274426==" MIME-Version: 1.0 From: =?utf-8?q?Ren=C3=A9_Koch_=3Crkoch_at_rk-it=2Eat=3E?= To: users at ovirt.org Subject: Re: [ovirt-users] VDI non-persistant desktops Date: Sat, 30 Jan 2016 13:57:47 +0100 Message-ID: <394735105.8265.1454158667138.JavaMail.zimbra@rk-it.at> In-Reply-To: CANvHAxRqNv86N7_rHq6m=17df_wHHb-88PJyPneXYOpvnK7_iA@mail.gmail.com --===============7608462614957274426== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable ------=3D_Part_8264_999400629.1454158667138 Content-Type: text/plain; charset=3Dutf-8 Content-Transfer-Encoding: quoted-printable Hi Colin,=3D20 I normally use desktop pools for virtual machines, which are the same, and = =3D single desktops for individual vms.=3D20 So mostly office vms are from a pool and admin vms aren't.=3D20 For patching you can either use some tools like Microsoft WSUS or for Linux= =3D vms Katello/Satellite/... or if you're using desktop pools it's also possi= =3D ble to patch the master image, create a new template with a new version and= =3D shut down all you vms. Afterwards they should boot with the new version if= =3D you did configure to always use the lastest version.=3D20 Performance of the virtual desktops depends on some things:=3D20 - protocol (Spice is really great in our tests) - also make sure you instal= =3D l all VirtIO drivers in your vms=3D20 - bandwith - this is no problem in the LAN, but for WAN setups this could b= =3D e an issue. Watching full HD videos in your vms can require 40mbit/s...=3D20 - thin clients - they need good graphics cards and at least 2gb ram and 2 c= =3D pu cores, better 4...=3D20 Most of my customers use GPOs for their virtual desktops, as it's easier to= =3D configure group policies then updating the master template too often...=3D= 20 I hope this helps...=3D20 Regards,=3D20 Ren=3DC3=3DA9=3D20 From: "Colin Coe" =3D20 To: Users(a)ovirt.org=3D20 Sent: Friday, January 29, 2016 1:20:15 PM=3D20 Subject: [ovirt-users] VDI non-persistant desktops=3D20 Hi all=3D20 We're using RHEV 3.5.7 and have about 40 desktop VMs that are all clones fr= =3D om a single original.=3D20 In the very beginning we used desktop pools but this was torn down when we = =3D started getting "The trust relationship between this workstation and the pr= =3D imary domain failed" error messages.=3D20 We use DHCP for all desktops however every VM is defined on the DHCP server= =3D and unknown MACs are rejected.=3D20 I'd like to revisit desktop pools but I'd like to know if other are using t= =3D his and what their experiences have been.=3D20 Kind of thing I'd like to know is=3D20 - how is patching done=3D20 - what is the performance like=3D20 - what tuning if any is done on the desktops=3D20 - GPO vs LPO=3D20 Any comments?=3D20 Thanks=3D20 CC=3D20 _______________________________________________=3D20 Users mailing list=3D20 Users(a)ovirt.org=3D20 http://lists.ovirt.org/mailman/listinfo/users=3D20 ------=3D_Part_8264_999400629.1454158667138 Content-Type: text/html; charset=3Dutf-8 Content-Transfer-Encoding: quoted-printable
Hi Colin,

I normally use desktop pools for virtual machines, whic= h =3D are the same, and single desktops for individual vms.
So mostly office vms are from a pool and admin vms aren't.

Fo= r pa=3D tching you can either use some tools like Microsoft WSUS or for Linux vms K= =3D atello/Satellite/... or if you're using desktop pools it's also possible to= =3D patch the master image, create a new template with a new version and shut = =3D down all you vms. Afterwards they should boot with the new version if you d= =3D id configure to always use the lastest version.
<= /d=3D iv>

Performance of the virtual de= sk=3D tops depends on some things:
- protoco= l =3D (Spice is really great in our tests) - also make sure you install all VirtI= =3D O drivers in your vms
- bandwith - thi= s =3D is no problem in the LAN, but for WAN setups this could be an issue. Watchi= =3D ng full HD videos in your vms can require 40mbit/s...
- thin clients - they need good graphics cards and at least 2= =3D gb ram and 2 cpu cores, better 4...
Most of my customers use GPOs for their v= ir=3D tual desktops, as it's easier to configure group policies then updating the= =3D master template too often...

I hope this helps...
=


<=3D div>Regards,
Ren=3DC3=3DA9



From: "Colin Coe" <colin.coe= (a)g=3D mail.com>
To: Users(a)ovirt.org
Sent: Friday, Januar= y =3D 29, 2016 1:20:15 PM
Subject: [ovirt-users] VDI non-persistant des= =3D ktops

Hi all
We're using RHEV 3.5.7 and have about 40 desktop = VM=3D s that are all clones from a single original.

In the very beg= =3D inning we used desktop pools but this was torn down when we started getting= =3D "The trust relationship between this workstation and the primary domain fa= =3D iled" error messages.

We use DHCP for all desktops however ev= =3D ery VM is defined on the DHCP server and unknown MACs are rejected.
I'd like to revisit desktop pools but I'd like to know if other are = =3D using this and what their experiences have been.

Kind of thin= =3D g I'd like to know is
- how is patching done
- what is = =3D the performance like
- what tuning if any is done on the desktops= =3D
- GPO vs LPO

Any comments?

Thanks

CC

_______________________________________________
Users mailing listUsers(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
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