[ovirt-users] FW: ovirt and glusterfs setup

[Bill Dossett]

Sorry, forgot to copyall...

From: Bill Dossett s
Sent: 18 February 2015 17:37
To: 'Donny Davis'
Subject: RE: [ovirt-users] ovirt and glusterfs setup

Well, it seems to be something that RedHat were saying was going to be supported.

I am far more familiar with VMware VSAN and that is current a VERY hot topic.

With VMware HA and VSAN capabilities and new chassis coming out with very high density drive capabilities and the correct number of nodes, you can lose a node with no more downtime than if compute and storage are separated and it's a helluva lot less expensive than traditional Fibre SAN.

Saying that it is in it's infancy.

I'm interested in your ovirt deployment - thanks for the kind offer - but very short on time as well as this is a side project - so this may move at a snails pace... so I thought I could get started on my own.

I think I instaslled ovirt 3.2 previously... and I did see mention of Gluster Domains.  If you let me know what I need to do to have a look at your deployment I would appreciate it.

I may be slow at responding though as I am spread very thin right now.

Thanks
Bill


From: Donny Davis [mailto:donny at cloudspin.me]
Sent: 18 February 2015 13:30
To: Bill Dossett
Subject: RE: [ovirt-users] ovirt and glusterfs setup

I can tell you from my experience that you should have your storage and compute node separate. Gluster support is built into ovirt, and you just need to make sure when setting up your engine you tell it to be [both]

The architecture you describe whether it be vmware or ovirt is destined to be a disaster.  That is my matter of opinion based on my experience.

I have a free to use ovirt deployment that you could run your desired setup on.

Donny D

cloudspin.me

From: users-bounces at ovirt.org<mailto:users-bounces at ovirt.org> [mailto:users-bounces at ovirt.org] On Behalf Of Bill Dossett
Sent: Wednesday, February 18, 2015 4:33 AM
To: users at ovirt.org<mailto:users at ovirt.org>
Subject: [ovirt-users] ovirt and glusterfs setup

Hi,

I'm in at the deep end...

Looking for some advice on if this is possible - and what version I should try I with if so.

We are a heavily VMware oriented company... but I am trying to get RHEV/oVirt in the door.  Honestly I would prefer oVirt, but if they insist on enterprise support I go to Redhat.

So I have had a play with VMware VSAN and know how it works.  I am trying to more or less replicate this setup using open source.

So VSAN uses 3 or more ESXi nodes, with local harddisks as the storage medium as a virtual SAN.  The SAN performance is quite high as you put at least 1 SSD in each node.

What is nice is you don't have the NAS element here.  VMs are on the local storage, which is partially SSD, so performance is quite good.

I went to a Redhat presentation on Redhat storage and GlusterFS and basically this acts as a big software defined NAS which does some pretty cool things, but that's not exactly what I need.

I would like to build oVirt on top of CentOS Oss... that have local storage in them that is distributed and redundant in the event of a node failure.

And I probably need to try and build this in a lab under Fusion on my Mac Book pro to begin with anyway (that bit I'm farily confident with) and if I get that working can probably get some older kit to try it out for real as a PoC to few people.

So, I've set up oVirt before that should be ok, I haven't setup Gluster is there any documents that would help me down this road and make sure I start out using the best version.

Any advice or pointers would be gratefully received.

Thanks

Bill Dossett
Systems Architect

Tech Central - Global Engineering Services

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