[ovirt-users] oVirt New Install

[Yedidyah Bar David]

On Sun, Feb 28, 2016 at 9:48 PM, Brett I. Holcomb <biholcomb at l1049h.com> wrote:
> On Sun, 2016-02-28 at 11:31 +0200, Yedidyah Bar David wrote:
> > On Sun, Feb 28, 2016 at 3:58 AM, Brett I. Holcomb
> > om> wrote:
> > > #4 - finally decided to add new storage from another iSCSI LUN and
> > > suddenly
> > > the DC was running!  The local storage (#1), ISO Domain (#2)
> > > suddenly are
> > > available.  This is definitely non-intuitive behaviour.  i can't
> > > see why the
> > > DC has to have additional storage added to make it work.  It
> > > already has
> > > it's storage - which is available for use  when creating VMS.  The
> > > DC should
> > > just come up and if there is an issue putting VMs on the
> > > host_storage (space
> > > issues maybe?) then it shouldn't be allowed as a choice when
> > > creating a VM
> > > or there should be a message about not enough space.  Well, now I
> > > know I can
> > > work with it and just wonder why it was designed this way.  Very
> > > strange.
> >
> > This is how it currently works.
> >
> > This is because the hosted_storage domain can't be used as the
> > "master
> > storage domain", and such as master is required for many things.
> >
> That makes some sense.  I'd suggest that there be some indication that
> we need to add a master storage domain.

Perhaps. Actually we are trying to get rid of it:

https://www.ovirt.org/develop/release-management/features/storage/decommission-master-domain-and-spm/

> Is the master storage domain the same one used to store VMs or can it
> be a separate domain which is used only as the master and VMs go
> elsewhere.  Does is need a minimum amount of storage space?

Normally it's the first "normal" data domain, used to store VMs.

Not sure about minimum size if you do not intend to store VMs there.
I guess it can be very small - a few MBs or so.

> > Did this solve all your problems? If not, please:
> > 1. Try again with 3.6.3, which should be out in a few days, or the latest
> > RC [1].
> > 2. If you still have problems, please state versions of OSes and whatever
> > other relevant tools, and post (links to) full logs of both the host and
> > the engine:
> > /var/log/ovirt*
> > /var/log/vdsm*
> >
> > [1] http://lists.ovirt.org/pipermail/users/2016-February/038125.html
>
> Once I got the Data Center initialized things all fell into place and
> it's working.  The confirm reboot issue I think is because it's a menu
> entry that shows up whether or not the confirmation is needed and I
> thought it might have been an issue when I was troubleshooting.
> Currently my issues are due to running the oVirth Host and engine on a
> guest hosted on VMware Workstation on a Windows PC with limited memory
> <G>.  But it's enough to do some testing and get ready to replace ESXi
> on my physical server.   As always there is a learning curve when
> moving to a new product and oVirt/RHEV looks like a worthy alternative
> to VMware, MS, etc.  I will check out the new release and definitely
> use it on the server.
> Thank you for your help.
>

Good luck and best regards,
-- 
Didi