On Thu, Dec 10, 2015 at 8:23 AM, Yedidyah Bar David <[email protected]> wrote:
> On Mon, Dec 7, 2015 at 2:59 PM, Taste-Of-IT <[email protected]> > wrote: > > Am 2015-12-07 13:41, schrieb Yedidyah Bar David: > >> > >> On Mon, Dec 7, 2015 at 1:54 PM, Taste-Of-IT <[email protected]> > >> wrote: > >>> > >>> Am 2015-12-07 11:17, schrieb Yedidyah Bar David: > >>>> > >>>> > >>>> On Mon, Dec 7, 2015 at 11:34 AM, Taste-Of-IT <[email protected]> > >>>> wrote: > >>>>> > >>>>> > >>>>> Am 2015-12-07 10:21, schrieb Yedidyah Bar David: > >>>>>> > >>>>>> > >>>>>> > >>>>>> On Mon, Dec 7, 2015 at 11:05 AM, Taste-Of-IT < > [email protected]> > >>>>>> wrote: > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> Am 2015-12-07 08:06, schrieb Yedidyah Bar David: > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> On Mon, Dec 7, 2015 at 12:38 AM, Taste-Of-IT > >>>>>>>> <[email protected]> > >>>>>>>> wrote: > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> Hello, > >>>>>>>>> i am new with ovirt and i installed ovirt engine 3.6 on centos 7. > >>>>>>>>> After > >>>>>>>>> first login i create the host with fqdn of ovirt server but > without > >>>>>>>>> powersavesettings. Firt i saw installing as status for host, but > >>>>>>>>> after > >>>>>>>>> a > >>>>>>>>> while nothing happend, I reboot the server. In engine.log i see > >>>>>>>>> "VMs > >>>>>>>>> initialization finished for Host", but i cant open the webgui. > What > >>>>>>>>> can > >>>>>>>>> i > >>>>>>>>> do? Where can i look to find the error and what have i done > wrong? > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> If host-deploy managed to finish, you can see its log in [1]. > >>>>>>>> Otherwise > >>>>>>>> please try to (re)install the host. > >>>>>>>> > >>>>>>>> [1] /var/log/ovirt-engine/host-deploy/ > >>>>>>>> > >>>>>>>> Best, > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> Hi Didi, > >>>>>>> ok i will have a closer look into the log. Actuall the WebGUI > doesnt > >>>>>>> load, > >>>>>>> services are up and running. How can i reinstall the host? Via cli? > >>>>>>> Or > >>>>>>> do > >>>>>>> you mean the hostsystem with installed ovirt engine? thx > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> Not sure I follow. > >>>>>> > >>>>>> The engine runs on some machine, let's call it "the engine machine". > >>>>>> If it's a self-hosted-engine, it's running inside a VM managed by > >>>>>> itself. > >>>>>> Otherwise it's running elsewhere (on some physical machine, or some > >>>>>> other > >>>>>> VM). > >>>>>> > >>>>>> A "Host", in ovirt terminology, is where VMs run. > >>>>>> > >>>>>> Now please describe what you did, what you now try to do that > doesn't > >>>>>> work, and what you can find in logs that might be related. > >>>>>> > >>>>>> If you can't access the web admin ui, that's a completely different > >>>>>> problem than if you can't add a host to the engine. > >>>>>> > >>>>>> Best, > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> Hi Didi, > >>>>> as far i understand there are to ways to setup ovirt. One as > >>>>> self-hosted > >>>>> enginge for ha and with ovirt host in vm on storage > >>>> > >>>> > >>>> > >>>> That's called "self-hosted-engine" > >>>> > >>>>> and hosted engine where > >>>>> all runs on the same host. > >>>> > >>>> > >>>> > >>>> This is called all-in-one [1]. > >>>> > >>>> [1] http://www.ovirt.org/Feature/AllInOne > >>>> > >>>>> So i setup hosted engine on same machine and in > >>>>> installation process i setup iso_domain via nfs too. i have done > >>>>> nothing > >>>>> more yet. so as i can see and read from the manual i now have to > setup > >>>>> the > >>>>> host, > >>>> > >>>> > >>>> > >>>> No. You are not supposed to setup the host from the web interface. > >>>> I didn't try that recently, but in the past there were issues similar > >>>> to what you wrote below. Please follow the instructions in that page. > >>>> Also please note that in 4.0, allinone will be dropped. Systems that > >>>> wish to have everything on a single host will need to use > hosted-engine. > >>>> Also note that people reported locking issues with local nfs mounts, > so > >>>> it seems like the safest bet for now is to use nested kvm - run a VM > to > >>>> play the "Host" role, and another VM as an nfs server (or iscsi), and > >>>> then either a third VM for the engine, or hosted-engine (meaning, > engine > >>>> runs inside a VM running inside the first VM). > >>>> > >>>>> than network and than data domain and so on. now i setup the host and > >>>>> say new, put a name inside and the fqdn of the initial host of host > >>>>> engine > >>>>> like myserver.com. after that i saw the progress which says > >>>>> "installing.." i > >>>>> wait several minutes and after that i got network time out and cant > >>>>> enter > >>>>> the webgui. hope that helps > >>>> > >>>> > >>>> > >>>> Good luck, > >>> > >>> > >>> > >>> Hi, > >>> that sounds not good. As i understand the only way with ovirt from > >>> Version 4 > >>> will self-hosted-engine and i have to setup all in nested-vms if i want > >>> or > >>> only can use one machine, right? > >> > >> > >> Not sure I completely followed. > >> > >> allinone will not be supported in 4. > >> > >> hosted-engine will be the only way to install an entire ovirt system on > >> a single machine, _supported_ by ovirt. And as I said, even this one > will > >> require an external storage machine. > >> > >> Of course you can use virsh/kvm or whatever other means for creating VMs > >> and use them to setup ovirt. > >> > >>> > >>> Ok i will have to reinstall my testsystem. Is that the way todo: > >>> http://www.ovirt.org/Features/Self_Hosted_Engine? > >> > >> > >> Yes, but you can use the howto [1], which is perhaps more comfortable. > >> > >> [1] http://www.ovirt.org/Hosted_Engine_Howto > >> > >>> So i have to install ovirt > >>> on centos7, than create a kvm with centos for the engine than for the > >>> host > >>> and last a kvm for the nfs and data domain with centos, or better to > use > >>> iscsi du to performance? after that i can install the first virtuall > >>> machine,right? > >> > >> > >> Depends on what you want to do. > >> > >> BTW, I didn't mention glusterfs, mainly because I do not know it well, > >> but that's also something to consider. > >> > >>> sounds strange and complicated... > >> > >> > >> ovirt is not designed to manage a single machine. For a single machine, > >> simpler libvirt frontends are easier to use. If you install it just to > >> learn/test, that's how it goes. > > > > Hi, > > ok i have to lunge. i have to migrate from proxmox to another vm-system > and > > thing ovirt is just fine while open source.. so i asked in the irc for my > > situation and if ovirt does fit. i have only one server which should run > a > > few kvm vm guests (debian, centos, ubuntu...) and also for webservices. > in > > the irc they point me to the all-in-solution, i think at that time they > > didnt know that it will not further supporter from version 4 onto.. for > my > > situation 2 server are to much but i will later add more server with ha > > usability. > > (Re-adding the list, adding Sandro) > > The plan for hyper-convergence is to require at least 3 hosts, so that you > have a replica-3 cluster storage. > > Perhaps we should reconsider allowing local storage with hosted-engine. > This will prevent HA, but will fit into the place of current allinone > usage. The next stage will be that users will ask to migrate this local > storage to shared one (or even gluster :-) ). > A loopback mounted iSCSI target should already do the job; of course there is a performance price for that. > > For a 2-cluster HA setup we do not have, or plan to have AFAIK, any > official support, but you can have a look at DRBD [1]. > > [1] http://www.ovirt.org/Features/DRBD > > Best, > -- > Didi > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users >
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