[ovirt-users] oVirt New Install

Sun Feb 28 19:48:43 UTC 2016

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.
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?
> 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.
> Best regards,
> 
> 
> > 
> > 
> > 
> > 
> > On Sat, 2016-02-27 at 18:01 -0500, Brett I. Holcomb wrote:
> > 
> > I am in the process of testing oVirt to replace ESXi 6 and have run into
> > some issues that I haven't found answers to.  I've used ESXi for quite a
> > while and done some work with Microsoft's Hypervisor but am new to oVirt.
> > It looks like it has potential to replace the others but there are some
> > major issues I'm trying to work through.  I'm using a hosted-engine
> > deployment.  The host is a guest on VMware Workstation 11 on Windows.  Not
> > the best but it lets me test oVirt.
> > 
> > 
> > I've created the VM, the engine is installed, the webadmin works, and I can
> > SSH to it but I'm seeing some things that I haven't been able to find
> > answers to so any help is appreciated.  I'm using DNS to resolve and both
> > the engine and host can ping each other, reverse lookup on their names
> > works.
> > 
> > 1.  I used an iSCSI LUN on a NAS for storage during the deploy install but
> > this storage does not show up in the admin portal list of storages.  Is it
> > supposed to?  It's being used as it now has 3+ our of 50 gig used.
> > 
> > 2. I used a local directory on the VM for an initial ISO domain but it does
> > not show up in the admin portal.  I have more than 15 Gig of space
> > available.  Shouldn't it be showing up in the list of storages?  I tested
> > using this
> > (http://www.ovirt.org/documentation/how-to/troubleshooting/troubleshooting-nfs-storage-issues/)
> > )
> > and from the host I can mount the engine's exported directory and create a
> > file in it as the vdsm user.
> > 
> > 3. My host wants confirmation it's rebooted which it has been both with
> > hosted-engine vm-shutdown/vm-start, and rebooting from within the engine.
> > If I tell it to confirm I get the message below.  Well, it's status is
> > running.  i can't connect when it's connecting or non-operational!!  I've
> > put the system into maintenance mode with hosted-engine commands, I used the
> > context menu on the hosted-engine vm in the portal to put it into
> > maintenance but it still refuses to confirm it's rebooted.  Any ideas on how
> > to get it confirmed.  I've also rebooted the hosted-engine host with no
> > change.
> > 
> > "Error while executing action: Cannot confirm 'Host has been rebooted' Host.
> > Valid Host statuses are "Non operational", "Maintenance" or "Connecting"."
> > 
> > 4.  My Default Data Center is uninitialized which is probably why nothing
> > works.  If I use guide me and attach the hosted_engine choice it tells me it
> > cannot acquire a host id.  I restarted the sanlock service and then when I
> > attached the storage the dialog hung up spinning it's wheel and never
> > returned.  I restarted the VM from hosted-engine and still get the
> > AcquireHostId failure.  The iSCSI lun is being used and accessed by the
> > engine as there is 3+ gig of space used.  If I try and attach the
> > hosted_engine storage the icon changes to a wrench, then back to the red
> > down arrow and I get the error about not acquiring a host id.  What host id?
> > I only have one host!  I've reinitialized the lockspace all with no effect.
> > The /var/log/ovirt-engine/engine.log has this error.  What invalid argument?
> > I've seen some bug reports on this but they are back in version 3.3 or so
> > and are supposed to be fixed.
> > 
> > Command
> > 'org.ovirt.engine.core.bll.storage.AddStoragePoolWithStoragesCommand' f
> > ailed: EngineException:
> > org.ovirt.engine.core.vdsbroker.vdsbroker.VDSErrorException: VDSGenericExcep
> > tion: VDSErrorException: Failed to CreateStoragePoolVDS, error = Cannot
> > acquire host id: ('1d26d977-
> > 0a67-43ab-bfb8-462cea95029a', SanlockException(22, 'Sanlock lockspace add
> > failure', 'Invalid argumen
> > t')), code = 661 (Failed with error AcquireHostIdFailure and code 661)
> > 
> > Any help is appreciated.
> > 
> > Thanks.
> > 
> > 
> > 
> > 
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