Re: [ovirt-users] Hyper converged network setup

I am not using any DNS server. I have made entries in /etc/hosts for all Nodes and for engine VM also. Regrards Bharat Kumar G15- Vinayak Nagar complex,Opp.Maa Satiya, ayad Udaipur (Raj.) 313001 Mob: +91-9950-9960-25 On Wed, Sep 13, 2017 at 5:02 PM, Donny Davis <donny(a)fortnebula.com&gt; wrote: > Bharat, > > Are you using DNS for host names or /etc/hosts > > I personally place the engines hostname with ip address in /etc/hosts on > all the hypervisors in case my DNS services go down. > I also put the hypervisors in /etc/hosts too > > Hope this helps. > > On Wed, Sep 13, 2017 at 6:04 AM, Yaniv Kaul <ykaul(a)redhat.com&gt; wrote: > >> >> >> On Wed, Sep 13, 2017 at 8:42 AM, Tailor, Bharat < >> bharat(a)synergysystemsindia.com&gt; wrote: >> >>> Hi Charles & Donny, >>> >>> Thank you so much. >>> >>> @Donny my 3rd node's IP is 192.168.100.17(Mentioned wrong in above >>> mail). >>> I was trying to install ovirt ova on test2.localdomain. I've cleared >>> all the steps and at last I got a message like "Engine is still >>> unreachable". Kindly help me to troubleshoot it. >>> >>> @Ykaul How can I register myself in mailing list? >>> >> >> http://lists.ovirt.org/mailman/listinfo/users >> >> Y. >> >> >>> >>> Regrards >>> Bharat Kumar >>> >>> G15- Vinayak Nagar complex,Opp.Maa Satiya, ayad >>> Udaipur (Raj.) >>> 313001 >>> Mob: +91-9950-9960-25 >>> >>> >>> >>> >>> >>> On Wed, Sep 13, 2017 at 3:06 AM, Charles Kozler <ckozleriii(a)gmail.com&gt; >>> wrote: >>> >>>> Bharat - >>>> >>>> 1. Yes. Will need to configure switch port as a trunk and setup your >>>> VLANs and VLAN ID's >>>> 2. Yes >>>> 3. You can still access the hosts. The engine itself crashing or being >>>> down wont stop your VMs or hosts or anything (unless fencing). You can use >>>> virsh >>>> 4. My suggestion here is start immediately after a fresh server >>>> install and yum update. Installer does a lot and checks a lot and wont like >>>> things: ex - you setup ovirtmgmt bridged network yourself >>>> 5. Yes. See #1, usually what I do is each ovirt node I have I set an >>>> IP of .5, then .6, and so on. This way I can be sure my network itself is >>>> working before adding a VM and attaching that NIC to it >>>> >>>> On Tue, Sep 12, 2017 at 4:41 PM, Donny Davis <donny(a)fortnebula.com&gt; >>>> wrote: >>>> >>>>> 1. Yes, you can do this >>>>> 2. Yes, In linux it's called bonding and this can be done from the UI >>>>> 3. You can get around using the Engine machine if required with virsh >>>>> or virt-manager - however I would just wait for the manager to migrate and >>>>> start on another host in the cluster >>>>> 4. The deployment will take care of everything for you. You just >>>>> need an IP >>>>> 5. Yes, you can use vlans or virtual networking(NSXish) called OVS in >>>>> oVirt. >>>>> >>>>> I noticed on your deployment machines 2 and 3 have the same IP. Might >>>>> want to fix that before deploying >>>>> >>>>> Happy trails >>>>> ~D >>>>> >>>>> >>>>> On Tue, Sep 12, 2017 at 2:00 PM, Tailor, Bharat < >>>>> bharat(a)synergysystemsindia.com&gt; wrote: >>>>> >>>>>> Hi Charles, >>>>>> >>>>>> Thank you so much to share a cool stuff with us. >>>>>> >>>>>> My doubts are still not cleared. >>>>>> >>>>>> >>>>>> 1. What If I have only single Physical network adaptor? Can't I >>>>>> use it for management network & production network both. >>>>>> 2. If I have two Physical network adaptor, Can I configure NIC >>>>>> teaming as like Vmware ESXi. >>>>>> 3. What If my ovirt machine fails during production period? In >>>>>> vmware we can access ESXi hosts and VM without Vcenter and do all the >>>>>> stuffs. Can we do the same with Ovirt & KVM. >>>>>> 4. To deploy ovirt engine VM, what kind of configuration I'll >>>>>> have to do on network adaptors? (eg. just configure IP on physical network >>>>>> or have to create br0 for it.) >>>>>> 5. Can I make multiple VM networks for vlan configuration? >>>>>> >>>>>> >>>>>> Regrards >>>>>> Bharat Kumar >>>>>> >>>>>> G15- Vinayak Nagar complex,Opp.Maa Satiya, ayad >>>>>> Udaipur (Raj.) >>>>>> 313001 >>>>>> Mob: +91-9950-9960-25 >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Tue, Sep 12, 2017 at 9:30 PM, Charles Kozler < >>>>>> ckozleriii(a)gmail.com&gt; wrote: >>>>>> >>>>>>> >>>>>>> Interestingly enough I literally just went through this same thing >>>>>>> with a slight variation. >>>>>>> >>>>>>> Note to the below: I am not sure if this would be considerd best >>>>>>> practice or good for something long term support but I made due with what I >>>>>>> had >>>>>>> >>>>>>> I had 10Gb cards for my storage network but no 10Gb switch, so I >>>>>>> direct connected them with some fun routing and /etc/hosts settings. I also >>>>>>> didnt want my storage network on a routed network (have firewalls in the >>>>>>> way of VLANs) and I wanted the network separate from my ovirtmgmt - and, as >>>>>>> I said, had no switches for 10Gb. Here is what you need at a bare minimum. >>>>>>> Adapt / change it as you need >>>>>>> >>>>>>> 1 dedicated NIC on each node for ovirtmgmt. Ex: eth0 >>>>>>> >>>>>>> 1 dedicated NIC to direct connect node 1 and node 2 - eth1 node1 >>>>>>> 1 dedicated NIC to direct connect node 1 and node 3 - eth2 node1 >>>>>>> >>>>>>> 1 dedicated NIC to direct connect node 2 and node 1 - eth1 node2 >>>>>>> 1 dedicated NIC to direct connect node 2 and node 3 - eth2 node2 >>>>>>> >>>>>>> 1 dedicated NIC to direct connect node 3 and node 1 - eth1 node3 >>>>>>> 1 dedicated NIC to direct connect node 3 and node 2 - eth2 node3 >>>>>>> >>>>>>> You'll need custom routes too: >>>>>>> >>>>>>> Route to node 3 from node 1 via eth2 >>>>>>> Route to node 3 from node 2 via eth2 >>>>>>> Route to node 2 from node 3 via eth2 >>>>>>> >>>>>>> Finally, entries in your /etc/hosts which match to your routes above >>>>>>> >>>>>>> Then, advisably, a dedicated NIC per box for VM network but you can >>>>>>> leverage ovirtmgmt if you are just proofing this out >>>>>>> >>>>>>> At this point if you can reach all of your nodes via this direct >>>>>>> connect IPs then you setup gluster as you normally would referencing your >>>>>>> entries in /etc/hosts when you call "gluster volume create" >>>>>>> >>>>>>> In my setup, as I said, I had 2x 2 port PCIe 10Gb cards per server >>>>>>> so I setup LACP as well as you can see below >>>>>>> >>>>>>> This is what my Frankenstein POC looked like: >>>>>>> http://i.imgur.com/iURL9jv.png >>>>>>> >>>>>>> You can optionally choose to setup this network in ovirt as well >>>>>>> (and add the NICs to each host) but dont configure it as a VM network. Then >>>>>>> you can also, with some other minor tweaks, use these direct connects as >>>>>>> migration networks rather than ovirtmgmt or VM network >>>>>>> >>>>>>> On Tue, Sep 12, 2017 at 9:12 AM, Tailor, Bharat < >>>>>>> bharat(a)synergysystemsindia.com&gt; wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> I am trying to deploy 3 hosts hyper converged setup. >>>>>>>> I am using Centos and installed KVM on all hosts. >>>>>>>> >>>>>>>> Host-1 >>>>>>>> Hostname - test1.localdomain >>>>>>>> eth0 - 192.168.100.15/24 >>>>>>>> GW - 192.168.100.1 >>>>>>>> >>>>>>>> Hoat-2 >>>>>>>> Hostname - test2.localdomain >>>>>>>> eth0 - 192.168.100.16/24 >>>>>>>> GW - 192.168.100.1 >>>>>>>> >>>>>>>> Host-3 >>>>>>>> Hostname - test3.localdomain >>>>>>>> eth0 - 192.168.100.16/24 >>>>>>>> GW - 192.168.100.1 >>>>>>>> >>>>>>>> I have created two gluster volume "engine" & "data" with replica 3. >>>>>>>> I have add fqdn entry in /etc/hosts for all host for DNS >>>>>>>> resolution. >>>>>>>> >>>>>>>> I want to deploy Ovirt engine self hosted OVA to manage all the >>>>>>>> hosts and production VM and my ovirt-engine VM should have HA enabled. >>>>>>>> >>>>>>>> I found multiple docs over internet to deply >>>>>>>> Self-hosted-engine-ova but I don't what kind of network configuration I've >>>>>>>> to do on Centos network card & KVM. As KVM docs suggest that I've to create >>>>>>>> a bridge network for Pnic to Vnic bridge. If I configure a bridge br0 for >>>>>>>> eth0 bridge that I can't see eth0 while deploying ovirt-engine setup at NIC >>>>>>>> card choice. >>>>>>>> >>>>>>>> Kindly help me to do correct configuration for Centos hosts, KVM & >>>>>>>> ovirt-engine-vm for HA enabled DC. >>>>>>>> Regrards >>>>>>>> Bharat Kumar >>>>>>>> >>>>>>>> G15- Vinayak Nagar complex,Opp.Maa Satiya, ayad >>>>>>>> Udaipur (Raj.) >>>>>>>> 313001 >>>>>>>> Mob: +91-9950-9960-25 >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> Users mailing list >>>>>>>> Users(a)ovirt.org >>>>>>>> http://lists.ovirt.org/mailman/listinfo/users >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> Users mailing list >>>>>> Users(a)ovirt.org >>>>>> http://lists.ovirt.org/mailman/listinfo/users >>>>>> >>>>>> >>>>> >>>> >>> >> >