[ovirt-users] Juniper vSRX Cluster on oVirt/RHEV

[Charles Kozler]

Truth be told I dont really know. What I am going to be doing with it is
pretty much mostly some lab stuff and get working with VRF's a bit

There is a known limitation with virtio backend driver uses interrupt mode
to receive packets and vSRX uses DPDK -
https://dpdk.readthedocs.io/en/stable/nics/virtio.html which in turn
creates a bottleneck in to the guest VM. It is more ideal to use something
like SR-IOV instead and remove as many buffer layers as possible with PCI
passthrough

One easier way too is to use DPDK OVS. I know ovirt supports OVS in later
versions more natively so I just didnt go after it and I dont know if there
is any difference between just regular OVS and DPDK OVS. I dont have a huge
requirement of insane throughput, just need to get packets from amazon back
to my lab and support overlapping subnets

This exercise was somewhat of a POC for me to see if it can be done. A lot
of Junipers documentation does not take in to account such things as ovirt
or proxmox or any linux overlay to hypervisors like it does for vmware /
vcenter which is no fault of their own. They assume flat KVM host (or 2 if
clustered) whereas stuff like ovirt can introduce variables (eg: no MAC
spoofing)

On Fri, Mar 23, 2018 at 3:27 PM, FERNANDO FREDIANI <
fernando.frediani at upx.com> wrote:

> Out of curiosity how much traffic can it handle running in these Virtual
> Machines on the top of reasonable hardware ?
>
> Fernando
>
> 2018-03-23 4:58 GMT-03:00 Joop <jvdwege at xs4all.nl>:
>
>> On 22-3-2018 10:17, Yaniv Kaul wrote:
>>
>>
>>
>> On Wed, Mar 21, 2018 at 10:37 PM, Charles Kozler < <ckozleriii at gmail.com>
>> ckozleriii at gmail.com> wrote:
>>
>>> Hi All -
>>>
>>> Recently did this and thought it would be worth documenting. I couldnt
>>> find any solid information on vsrx with kvm outside of flat KVM. This
>>> outlines some of the things I hit along the way and how to fix. This is my
>>> one small way of giving back to such an incredible open source tool
>>>
>>> https://ckozler.net/vsrx-cluster-on-ovirtrhev/
>>>
>>
>> Thanks for sharing!
>> Why didn't you just upload the qcow2 disk via the UI/API though?
>> There's quite a bit of manual work that I hope is not needed?
>>
>> @Work we're using Juniper too and oud of curiosity I downloaded the qcow2
>> image and used the UI to upload it and add it to a VM. It just works :-)
>> oVirt++
>>
>> Joop
>>
>>
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>
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