<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hi Colin,<br></div><div><br data-mce-bogus="1"></div><div>I normally use desktop pools for virtual machines, which are the same, and single desktops for individual vms.<br data-mce-bogus="1"></div><div>So mostly office vms are from a pool and admin vms aren't.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>For patching you can either use some tools like Microsoft WSUS or for Linux vms Katello/Satellite/... or if you're using desktop pools it's also possible to patch the master image, create a new template with a new version and shut down all you vms. Afterwards they should boot with the new version if you did configure to always use the lastest version.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Performance of the virtual desktops depends on some things:<br data-mce-bogus="1"></div><div>- protocol (Spice is really great in our tests) - also make sure you install all VirtIO drivers in your vms<br data-mce-bogus="1"></div><div>- bandwith - this is no problem in the LAN, but for WAN setups this could be an issue. Watching full HD videos in your vms can require 40mbit/s...<br data-mce-bogus="1"></div><div>- thin clients - they need good graphics cards and at least 2gb ram and 2 cpu cores, better 4...<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Most of my customers use GPOs for their virtual desktops, as it's easier to configure group policies then updating the master template too often...<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>I hope this helps...<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Regards,<br>René<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><br></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>From: </b>"Colin Coe" <colin.coe@gmail.com><br><b>To: </b>Users@ovirt.org<br><b>Sent: </b>Friday, January 29, 2016 1:20:15 PM<br><b>Subject: </b>[ovirt-users] VDI non-persistant desktops<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div dir="ltr">Hi all<br><div>We're using RHEV 3.5.7 and have about 40 desktop VMs that are all clones from a single original.</div><br><div>In the very beginning we used desktop pools but this was torn down when we started getting "The trust relationship between this workstation and the primary domain failed" error messages.</div><br><div>We use DHCP for all desktops however every VM is defined on the DHCP server and unknown MACs are rejected.</div><br><div>I'd like to revisit desktop pools but I'd like to know if other are using this and what their experiences have been.</div><br><div>Kind of thing I'd like to know is</div><div>- how is patching done</div><div>- what is the performance like</div><div>- what tuning if any is done on the desktops</div><div>- GPO vs LPO</div><br><div>Any comments?</div><br><div>Thanks</div><div><br>CC</div></div>
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