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From "Pierre-Luc Dion (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-10232) SystemVMs and VR to run as HVM on XenServer
Date Mon, 15 Jan 2018 15:12:00 GMT
Pierre-Luc Dion created CLOUDSTACK-10232:
--------------------------------------------

             Summary: SystemVMs and VR to run as HVM on XenServer
                 Key: CLOUDSTACK-10232
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10232
             Project: CloudStack
          Issue Type: New Feature
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: SystemVM, Virtual Router, XenServer
    Affects Versions: 4.10.0.0, 4.9.3.0
            Reporter: Pierre-Luc Dion


Following the recent Meltdown-Spectre security risk,one of the mitigation,as of Jan 2018,
for XenServer Hypervisor is to run Virtual-Machine in HVM mode.

Currently SystemVMs and Virtual-Routers run as PV on XenServer and the eth0 is configured
using {{/etc/init.d/cloud-early-config}} using grub params from {{/proc/cmdline}}. When VM
run as HVM, it is not possible to push initial boot instruction via pygrub.

Quick tests has been done using xenstore and it look like it would be possible to send same
initial boot instruction has pygrub but using xenstore for HVM instances.








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