Re: [ovirt-users] Hyper converged network setup

Can you ping the VM when it comes up? On Wed, Sep 13, 2017 at 7:40 AM, Tailor, Bharat < bharat(a)synergysystemsindia.com&gt; wrote: > 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 >>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >