Il 29/07/2014 09:38, Maël Lavault ha scritto: > Le mercredi 23 juillet 2014 à 01:09 +0300, Itamar Heim a écrit : >> On 07/17/2014 11:14 AM, Maël Lavault wrote: >>> Hi, >>> >>> I'm a student currently doing my final study project based around Ovirt. >>> >>> I played a lot with Ovirt to have an overview of what could or could not >>> be done, but I still have a few questions and stuff I want to clarify. >>> >>> My project consist of a HA architecture using Ovirt, powered by 8 >>> reasonably powerful servers (4 x Quad core Opteron, 32Go RAM, 2x10k RPM >>> HDD) equipped with 2 NIC each. >>> >>> I followed this tutorial to use Ovirt with GlusterFS : >>> >>> http://community.redhat.com/blog/2014/05/ovirt-3-4-glusterized/ >>> >>> Worked well ! >>> >>> I installed 2 self hosted engine on 2 different servers and a GlusterFS >>> using 2 other servers. >>> >>> But since we had only 2 x 1Gb NIC per server, we decided to go with >>> bonding and VLAN to separate each networks inspired by this blog post : >>> >>> http://captainkvm.com/2013/04/maximizing-your-10gb-ethernet-in-rhev/ >>> >>> Unfortunately, it seems like Ovirt 3.4 does not support installing >>> self-hosted engine on bond + vlan. I tried 3.5 but there were to much >>> bug to be usable and the project is set to be deployed in 2 months. >> >> should be available via: >> http://gerrit.ovirt.org/#/c/29730/ >> ? >> >>> >>> A colleague suggested me a workaround using OpenvSwitch between Ovirt >>> and NIC bond to "translate tagged packet into non tagged packet" and >>> hide the bond from Ovirt. Does this have a chance to work ? >>> >>> Since the GlusterFS is accessed by NFS, I was able to bond the two >>> servers. >>> >>> A few questions : >>> >>> - What is the purpose of ovirtmgmt network ? I did a lot of search by >>> haven't found any clear explanation. Does it need to be publicly >>> accessible or a private ip is fine too ? >> >> just what engine used to communicate to hosts. >> also, by default, the display network and vm network. >> >>> >>> - Is the display network used for SPICE/VNC connection ? >> >> yes. >> >>> >>> - How do Ovirt differentiate VM network from a storage network ? They >>> both have the same vm role in the interface. Both networks could >>> (should) be on private ip range right ? >> >> that depends on you deploying them on different networks? >> >>> >>> - How can I add the storage network after (or before, would be better) >>> self hosted engine is installed ? (Since self hosted engine is stored on >>> Gluster, I will loose connection to the engine) >> >> configure it on host B. move hosted engine to host B. configure it on >> host A? >> >>> >>> - Using self hosted engine, does all my nodes need to be installed with >>> hosted-engine --deploy, or can I have only 2 self hosted engine nodes >>> and 4 classic nodes ? >> >> you can have 2 self hosted and 50 classic nodes as well. >> no need to match hosted engine to the entire cluster (nor is hosted >> engine tested with being deployed on 50 hosts...) >> >>> >>> - I'm trying to cleanly re-install the second hosted engine after some >>> experiments, but the behavior is strange : >>> >>> [ INFO ] Stage: Transaction commit >>> [ INFO ] Stage: Closing up >>> To continue make a selection from the options below: >>> (1) Continue setup - engine installation is complete >>> (2) Power off and restart the VM >>> (3) Abort setup >>> Isn't this supposed to give me information to connect to the vm so i can >>> install the engine ? >> >> sandro/didi? >> >> >> >>> >>> Thanks a lot for this truly well made software ! >> >> thank you for using it. >> >> >>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users@ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users >>> >> > > Thanks !! > > So I did a fresh install with oVirt 3.4.3 > > I configured my bond before installing oVirt and was able to install > without a hitch. > > It becomes more complicated afterward. I still want to use VLANs on top > of my bond, but with hosted engine I can't configure this properly.
Please open a bug, attaching hosted-engine-setup logs and vdsm logs. I would like to track why you can't configure it properly. > > If I change the vlan tag in oVirt interface, I lost connection to the > engine, and also the network config is messed up or incomplete after, I > also can't add new nic card to self hosted engine vm (it says the vm is > not managed by the engine ?!?) This seems to be a different issue, maybe worth another bz. > > My port are configured as trunk allowing VLAN 1,3,4 (1: public, 3: nfs, > 4: ovirtmgmt, that's for testing purpose) > > Should I also configure my Vlan manually before installing oVirt (eg: > bond0.1, bond0.3 and bond0.4) ? > I've never tested mixed bond and vlans on my system so not sure about what happens there. > Second hosted engine install fine now. Great! > > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users