This suggestion below is spot on. I can add, test your primary use cases vigorously for a couple days. Then verify things like resources, make sure theyre inline with what cloudstack is reportin, with the underlying infra(esp. storage) I've been using 4.0 without a hitch since its release.
CentOS 6.3 + xenserver nfs and iscsi. Ahmad On Dec 21, 2012, at 2:30 AM, "Tamas Monos" <tam...@veber.co.uk> wrote: > > I highly recommend a test infrastructure you can try upgrades before you > touch your live production environment!