On Mon, Apr 16, 2018 at 11:12:32AM -0400, sven falempin wrote: > On Mon, Apr 16, 2018 at 10:33 AM, Claudio Jeker <cje...@diehard.n-r-g.com> > wrote: > > > On Mon, Apr 16, 2018 at 04:15:42PM +0200, Daniel Santos wrote: > > > I looking for some experience sharing from those who also run OpenBSD > > inside > > > KVM on Linux. > > > > > > I was running 5.2 and now 6.2 inside KVM on a Linux wheezy host with 3.2 > > > kernel. > > > > > > This system was used as an all in one Zabbix monitoring server, which > > > included the full stack required to run a central monitoring server: > > > > > > -Lighttpd > > > -Zabbix Server > > > -Zabbix Agent > > > -Mysql Server > > > -SNMP utils > > > > > > First it was using Zabbix 2.x then I have upgraded it to the 3.x series. > > The > > > zabbix server was regularily crashing or stopped logging to the DB and > > > needed to be restarted. > > > If not that then the db and page load was terribly slow even on LAN and I > > > only had <15 clients on this server. I started moving the components off > > one > > > by one, at the end only the zabbix server engine left on the vm even that > > > sometimes just stuck and stopped sending data to a standalone other linux > > > mysql vm. Then I gave up, I recreated the whole environment with the same > > > Zabbix version on an all in one Debian 9 vm and since then it runs > > > flawlessly. Another issue was that I kept getting dropped packet entries > > in > > > my pflog on the enabled ports (seems like broken connections). > > > > > > > Zabbix needs a fast DB which I would not run virtualised. Also the crashes > > you have seen may have been fixed in the meantime (between 6.2 and 6.3 > > there was an libc asr fix that made zabbix reliable for me). > > > > I run a few KVM OpenBSD machines (mainly network / load balancers) they > > work reasonably well. > > > > -- > > :wq Claudio > > > > > really depends on the KVM/linux version >
Don't forget to set "options kvm-intel preemption_timer=0" for modprobe on newer linux kernels. After that it seems to work nicely. -- :wq Claudio
