[Solved] Re: PV vs HVM guest on XenServer 7.0

2018-04-12 Thread Yiping Zhang
After more investigation, I found out that changing template's "OS Type" assignment affects how a VM is started as PV or HVM guest on either XenServer 6.5 or 7.0 clusters: On XenServer 6.5 clusters, 64 bit RHEL guests with versions up to 6.7 (last 6.x version listed by ACS 4.9.3.0) are always

Re: PV vs HVM guest on XenServer 7.0

2018-04-12 Thread Melanie Desaive
Hi Yiping, Am 11.04.2018 um 23:30 schrieb Yiping Zhang: > > Why does CloudStack convert just a few rhel 6.x instances into HVM mode, > while leaving most in PV mode? > How would I force them back to PV guests? To my understanding CloudStacks decides about the virtualiuzation mode of a VM depe

PV vs HVM guest on XenServer 7.0

2018-04-11 Thread Yiping Zhang
Hi, list: I am in the process of upgrading my hypervisors clusters from XenServer 6.5 to 7.0 for all my ACS instances. My XS 7.0 clusters are patched up to XS70E050. During cluster rolling upgrade, VM instances are live migrated several times, eventually all of them running on XS 7.0 hosts. H