Adding Simone and Martin, replying inline. On Mon, Apr 10, 2017 at 10:16 AM, Ondrej Svoboda <osvob...@redhat.com> wrote:
> Hello Charles, > > First, can you give us more information regarding the duplicated IPv6 > addresses? Since you are going to reinstall the hosted engine, could you > make sure that NetworkManager is disabled before adding the second vNIC > (and perhaps even disable IPv6 and reboot as well, so we have a solid base > and see what makes the difference)? > > What kind of documentation did you follow to install the hosted engine? > Was it this page? https://www.ovirt.org/documentation/how-to/hosted- > engine/ If so, could you file a bug against VDSM networking and attach > /var/log/vdsm/vdsm.log and supervdsm.log, and make sure they include the > time period from adding the second vNIC to rebooting? > > Second, even the vNIC going missing after reboot looks like a bug to me. > Even though eth1 does not exist in the VM, can you see it defined for the > VM in the engine web GUI? > If the HE vm configuration wasn't flushed to the OVF_STORE yet, it make sense it disappeared on restart. > > The steps you took to install the hosted engine with regards to networking > look good to me, but I believe Sandro (CC'ed) would be able to give more > advice. > > Sandro, since we want to configure bonding, would you recommend to install > the engine physically first, move it to a VM, according to the following > method, and only then reconfigure networking? https://www.ovirt.org/ > documentation/self-hosted/chap-Migrating_from_Bare_ > Metal_to_an_EL-Based_Self-Hosted_Environment/ > I don't see why a diret HE deployment couldn't be done. Simone, Martin can you help here? > > > Thank you, > Ondra > > On Mon, Apr 10, 2017 at 8:51 AM, Charles Tassell <ctass...@gmail.com> > wrote: > >> Hi Everyone, >> >> Okay, I'm again having problems with getting basic networking setup >> with oVirt 4.1 Here is my situation. I have two servers I want to use to >> create an oVirt cluster, with two different networks. My "public" network >> is a 1G link on device em1 connected to my Internet feed, and my "storage" >> network is a 10G link connected on device p5p1 to my file server. Since I >> need to connect to my storage network in order to do the install, I >> selected p5p1 has the ovirtmgmt interface when installing the hosted >> engine. That worked fine, I got everything installed, so I used some >> ssh-proxy magic to connect to the web console and completed the install >> (setup a Storage domain and create a new network vmNet for VM networking >> and added em1 to it.) >> >> The problem was that when I added a second network device to the >> HostedEngine VM (so that I can connect to it from my public network) it >> would intermittently go down. I did some digging and found some IPV6 >> errors in the dmesg (IPv6: eth1: IPv6 duplicate address >> 2001:410:e000:902:21a:4aff:fe16:151 detected!) so I disabled IPv6 on >> both eth0 and eth1 in the HostedEngine and rebooted it. The problem is >> that when I restarted the VM, the eth1 device was missing. >> >> So, my question is: Can I add a second NIC to the HostedEngine VM and >> make it stick, or will it be deleted whenever the engine VM is restarted? > > When you change something in the HE Vm using the web ui, it has to be saved also on the OVF_STORE to make it permanent for further reboot. Martin can you please elaborate here? > Is there a better way to do what I'm trying to do, ie, should I setup >> ovirtmgmt on the public em1 interface, and then create the "storage" >> network after the fact for connecting to the datastores and such. Is that >> even possible, or required? I was thinking that it would be better for >> migrations and other management functions to happen on the faster 10G >> network, but if the HostedEngine doesn't need to be able to connect to the >> storage network maybe it's not worth the effort? >> >> Eventually I want to setup LACP on the storage network, but I had to >> wipe the servers and reinstall from scratch the last time I tried to set >> that up. I was thinking that it was because I setup the bonding before >> installing oVirt, so I didn't do that this time. >> >> Here are my /etc/sysconfig/network-scripts/ifcfg-* files in case I did >> something wrong there (I'm more familiar with Debian/Ubuntu network setup >> than CentOS) >> >> ifcfg-eth0: (ovirtmgmt aka storage) >> ---------------- >> BROADCAST=192.168.130.255 >> NETMASK=255.255.255.0 >> BOOTPROTO=static >> DEVICE=eth0 >> IPADDR=192.168.130.179 >> ONBOOT=yes >> DOMAIN=public.net >> ZONE=public >> IPV6INIT=no >> >> >> ifcfg-eth1: (vmNet aka Internet) >> ---------------- >> BROADCAST=192.168.1.255 >> NETMASK=255.255.255.0 >> BOOTPROTO=static >> DEVICE=eth1 >> IPADDR=192.168.1.179 >> GATEWAY=192.168.1.254 >> ONBOOT=yes >> DNS1=192.168.1.1 >> DNS2=192.168.1.2 >> DOMAIN=public.net >> ZONE=public >> IPV6INIT=no >> >> _______________________________________________ >> Users mailing list >> Users@ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> > > -- SANDRO BONAZZOLA ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D Red Hat EMEA <https://www.redhat.com/> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
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