[ovirt-users] Hyper converged network setup

Tailor, Bharat bharat at synergysystemsindia.com
Wed Sep 13 11:44:13 UTC 2017 

I can't. I've destroyed that VM and clean all files. Now I am trying to
reinstall new engine VM.

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 5:12 PM, Donny Davis <donny at fortnebula.com> wrote:

> Can you ping the VM when it comes up?
>
> On Wed, Sep 13, 2017 at 7:40 AM, Tailor, Bharat <
> bharat at synergysystemsindia.com> 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 at fortnebula.com>
>> 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 at redhat.com> wrote:
>>>
>>>>
>>>>
>>>> On Wed, Sep 13, 2017 at 8:42 AM, Tailor, Bharat <
>>>> bharat at synergysystemsindia.com> 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 at gmail.com>
>>>>> 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 at fortnebula.com>
>>>>>> 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 at synergysystemsindia.com> 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 at gmail.com> 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 at synergysystemsindia.com> 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 at ovirt.org
>>>>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Users mailing list
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>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
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