On Sun 20 Jul 2014 09:58:03 PM CDT, Raimundo Santos wrote:
What version of ProxmoxVE? I am considering this as a counterpart to XenServer, but I have some kind of faith in hypervisors in Xen and VMWare style, but in this project I can not afford VMWare prices.
I'm paying for the basic level of PVE subscription right now, which isn't very much (€30/host/year or something like that). I'm running their version of -CURRENT, that is to say, the "testing" repository. It hasn't burned me very many times so far :-/. The $/year entitles me to run the "Enterprise" version, and automatically get updates. That's a sensible thing to do when running in production. I'm not really in commercial production yet.
OpenBSD runs... well, acceptably, I guess. If you use CEPH, make sure you mount your filesystems "sync" and set cache to "writeback" or you WILL encounter filesystem corruption each and every time your VM doesn't shut down cleanly. In my system, that reduces disk write performance to ~0.5MBytes/sec. I just remount async whenever I'm doing a large amount of disk I/O, then immediately remount sync when I'm done. And that's using the virtio driver!
Running PVE (as opposed to VMware ESXi, say) makes crystal clear why Theo has misgivings about hypervisors in general... PVE exposes a lot more of the underlying OS than I'd like, or perhaps I should say I have to pay a lot more attention to the underlying OS than I'd like. Hardware zone/partition support like some of the high-end sun4v(??) machines looks better and better all the time. (Not too sure of the terminology right now.)
-- -Adam Thompson [email protected]
