From lfinstrle at netsuite.com Mon Sep 8 17:14:11 2014 Content-Type: multipart/mixed; boundary="===============3504920628996865012==" MIME-Version: 1.0 From: Finstrle, Ludek To: users at ovirt.org Subject: Re: [ovirt-users] Multiple datacenters design Date: Mon, 08 Sep 2014 21:14:06 +0000 Message-ID: <1410210846.2937.10.camel@lfinstrle-lp.corp.netledger.com> In-Reply-To: 540DC105.6010007@redhat.com --===============3504920628996865012== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On 09/08/2014 12:54 PM, Finstrle, Ludek wrote: > > > > Hi, > > > > I'm quite new to ovirt and I'm going to deploy ovirt into several tens > > location all around world. > > > > The connection between locations is neither dedicated nor 100% reliable > > as it's connected via internet. > > I'm going with Gluster storage domains mainly. > > It's not important to me to do live migrations or even offline > > migrations between locations (they're independent). > > > > What's the best design and components from your point of view? I believe > > I'm not the first one with such design. > > > > I think about two possibilities: > > 1) One central Engine > > - how to manage guests when connection drop between engine and node > > - latency is up to 1 second is it ok even with working connection? > > > > 2) Engine in every location > > - is it possible to have also one central point with information > > from all engines together (at least read-only)? > > - what about central reporting at least? > > > > I like more one central Engine. My concern is how to work with consoles > > and also just 1 ISO storage domain and 1 export storage domain (maybe > > same hostname for ISO and export in every location). Another topic is > > how to reach console/stop/start/migrate guest inside location while > > there is connection down between the only Engine and nodes in the > > location. > > > > Thanks ahead for you experience/ideas, > > > = > we run this with central engine and remote clusters, but remote clusters = > have decent connectivity. > = > oVirt 3.5 does bring several improvements to fencing management which = > may help those with problematic links. > = > for option #2 - ManageIQ (upstream of Red Hat CloudForms) is a "CMP" - = > Cloud Management Platform, which can provide overall dashboard, = > self-service, service catalog, automation, etc. across multiple ovirt = > deployments. > (they just released their first upstream release last week) > = NOTICE: This email and any attachments may contain confidential and proprie= tary information of NetSuite Inc. and is for the sole use of the intended r= ecipient for the stated purpose. Any improper use or distribution is prohib= ited. 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