It may work, but we don't support 3.6 for a while and I'm not sure what issues you may encounter. It is safer to upgrade the engine first and the hosts later. 4.0 supports 3.6 compatibility, just make sure all cluster are 3.6 with el7 prior to updating. Yaniv Dary Technical Product Manager Red Hat Israel Ltd. 34 Jerusalem Road Building A, 4th floor Ra'anana, Israel 4350109 Tel : +972 (9) 7692306 8272306 Email: ydary@redhat.com IRC : ydary On Dec 15, 2016 6:49 PM, "Richard Chan" <richard@treeboxsolutions.com> wrote:
Planning and upgrade from 3.6.8 to 4.0.6:
4.0.6 mentions supporting CentOS 7.3 and qemu-kvm-ev 2.6
Is it possible in a 3.6.7 environment to upgrade all the hosts first to CentOS 7.3, vdsm 4.18, and qemu-kvm-ev 2.6 before tackling the engine? In other words, is the 4.0.6 host stack compatible with a 3.6.7 engine?
-- Richard Chan
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