[ovirt-users] hosted engine setup on second host fails

Yedidyah Bar David didi at redhat.com
Wed Sep 24 01:40:58 EDT 2014


----- Original Message -----
> From: "Itamar Heim" <iheim at redhat.com>
> To: "Stefan Wendler" <stefan.wendler at tngtech.com>
> Cc: "Yedidyah Bar David" <ybardavi at redhat.com>, users at ovirt.org
> Sent: Tuesday, September 23, 2014 7:07:12 PM
> Subject: Re: [ovirt-users] hosted engine setup on second host fails
> 
> 
> On Sep 23, 2014 7:03 PM, Stefan Wendler <stefan.wendler at tngtech.com> wrote:
> >
> > On 09/23/2014 17:01, Itamar Heim wrote:
> > > On 09/23/2014 05:17 PM, Stefan Wendler wrote:
> > >> On 09/22/2014 10:52, Stefan Wendler wrote:
> > >>> On 09/19/2014 15:58, Itamar Heim wrote:
> > >>>> On 09/19/2014 03:32 PM, Stefan Wendler wrote:
> > >>>>> Hi there.
> > >>>>> 
> > >>>>> I'm trying to install a hosted-engine on our second node (fist engine
> > >>>>> runs on node1).
> > >>>>> 
> > >>>>> But I always get the message:
> > >>>>> 
> > >>>>> [ ERROR ] Cannot automatically add the host to the Default cluster:
> > >>>>> Cannot add Host. Host with the same address already exists.
> > >>>>> 
> > >>>>> I'm not entirely sure what I have to do when this message comes, so I
> > >>>>> just press ENTER:
> > >>>>> 
> > >>>>> #######
> > >>>>> To continue make a selection from the options below:
> > >>>>>             (1) Continue setup - engine installation is complete
> > >>>>>             (2) Power off and restart the VM
> > >>>>>             (3) Abort setup
> > >>>>> 
> > >>>>>             (1, 2, 3)[1]:
> > >>>>> ########
> > >>>>> 
> > >>>>> Is there any other interaction required prior to selecting "1"?
> > >>>>> 
> > >>>>> In the Web Gui I get the following message:
> > >>>>> 
> > >>>>> X Adding new Host hosted_engine_2 to Cluster Default
> > >>>>> 
> > >>>>> Here is the console output:
> > >>>>> 
> > >>>>> # hosted-engine --deploy
> > >>>>> [ INFO  ] Stage: Initializing
> > >>>>>             Continuing will configure this host for serving as
> > >>>>> hypervisor
> > >>>>> and create a VM where you have to install oVirt Engine afterwards.
> > >>>>>             Are you sure you want to continue? (Yes, No)[Yes]:
> > >>>>> [ INFO  ] Generating a temporary VNC password.
> > >>>>> [ INFO  ] Stage: Environment setup
> > >>>>>             Configuration files: []
> > >>>>>             Log file:
> > >>>>> /var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20140919141012-k2lag6.log
> > >>>>> 
> > >>>>> 
> > >>>>>             Version: otopi-1.2.3 (otopi-1.2.3-1.el6)
> > >>>>> [ INFO  ] Hardware supports virtualization
> > >>>>> [ INFO  ] Bridge ovirtmgmt already created
> > >>>>> [ INFO  ] Stage: Environment packages setup
> > >>>>> [ INFO  ] Stage: Programs detection
> > >>>>> [ INFO  ] Stage: Environment setup
> > >>>>> [ INFO  ] Stage: Environment customization
> > >>>>> 
> > >>>>>             --== STORAGE CONFIGURATION ==--
> > >>>>> 
> > >>>>>             During customization use CTRL-D to abort.
> > >>>>>             Please specify the storage you would like to use (nfs3,
> > >>>>> nfs4)[nfs3]:
> > >>>>>             Please specify the full shared storage connection path
> > >>>>> to use
> > >>>>> (example: host:/path): <some address>:/volume1
> > >>>>>             The specified storage location already contains a data
> > >>>>> domain.
> > >>>>> Is this an additional host setup (Yes, No)[Yes]?
> > >>>>> [ INFO  ] Installing on additional host
> > >>>>>             Please specify the Host ID [Must be integer, default: 2]:
> > >>>>>             The Host ID is already known. Is this a re-deployment
> > >>>>> on an
> > >>>>> additional host that was previously set up (Yes, No)[Yes]?

I admit I never tried that. Not sure how exactly it's supposed to work.

> > >>>>> 
> > >>>>>             --== SYSTEM CONFIGURATION ==--
> > >>>>> 
> > >>>>> [WARNING] A configuration file must be supplied to deploy Hosted
> > >>>>> Engine
> > >>>>> on an additional host.
> > >>>>>             The answer file may be fetched from the first host
> > >>>>> using scp.
> > >>>>>             If you do not want to download it automatically you can
> > >>>>> abort
> > >>>>> the setup answering no to the following question.
> > >>>>>             Do you want to scp the answer file from the first host?
> > >>>>> (Yes,
> > >>>>> No)[Yes]:
> > >>>>>             Please provide the FQDN or IP of the first host:
> > >>>>> <node1.domain>
> > >>>>>             Enter 'root' user password for host <node1.domain>:
> > >>>>> [ INFO  ] Answer file successfully downloaded
> > >>>>> 
> > >>>>>             --== NETWORK CONFIGURATION ==--
> > >>>>> 
> > >>>>>             The following CPU types are supported by this host:
> > >>>>>                    - model_Westmere: Intel Westmere Family
> > >>>>>                    - model_Nehalem: Intel Nehalem Family
> > >>>>>                    - model_Penryn: Intel Penryn Family
> > >>>>>                    - model_Conroe: Intel Conroe Family
> > >>>>> 
> > >>>>>             --== HOSTED ENGINE CONFIGURATION ==--
> > >>>>> 
> > >>>>>             Enter the name which will be used to identify this host
> > >>>>> inside
> > >>>>> the Administrator Portal [hosted_engine_2]:
> > >>>>>             Enter 'admin at internal' user password that will be used
> > >>>>>             for
> > >>>>> accessing the Administrator Portal:
> > >>>>>             Confirm 'admin at internal' user password:
> > >>>>>    [ INFO  ] Stage: Setup validation
> > >>>>> 
> > >>>>>             --== CONFIGURATION PREVIEW ==--
> > >>>>> 
> > >>>>>             Engine FQDN                        : engine.domain
> > >>>>>             Bridge name                        : ovirtmgmt
> > >>>>>             SSH daemon port                    : 22
> > >>>>>             Gateway address                    : <some address>
> > >>>>>             Host name for web application      : hosted_engine_2
> > >>>>>             Host ID                            : 2
> > >>>>>             Image size GB                      : 25
> > >>>>>             Storage connection                 : <some
> > >>>>> address>:/volume1
> > >>>>>             Console type                       : vnc
> > >>>>>             Memory size MB                     : 8192
> > >>>>>             MAC address                        : 00:16:3e:3b:8d:66
> > >>>>>             Boot type                          : disk
> > >>>>>             Number of CPUs                     : 2
> > >>>>>             CPU Type                           : model_Westmere
> > >>>>> 
> > >>>>>             Please confirm installation settings (Yes, No)[No]: yes
> > >>>>> [ ERROR ] Invalid value
> > >>>>> 
> > >>>>>             Please confirm installation settings (Yes, No)[No]: Yes
> > >>>>> [ INFO  ] Stage: Transaction setup
> > >>>>> [ INFO  ] Stage: Misc configuration
> > >>>>> [ INFO  ] Stage: Package installation
> > >>>>> [ INFO  ] Stage: Misc configuration
> > >>>>> [ INFO  ] Configuring libvirt
> > >>>>> [ INFO  ] Configuring VDSM
> > >>>>> [ INFO  ] Starting vdsmd
> > >>>>> [ INFO  ] Waiting for VDSM hardware info
> > >>>>> [ INFO  ] Waiting for VDSM hardware info
> > >>>>> [ INFO  ] Connecting Storage Domain
> > >>>>> [ INFO  ] Configuring VM
> > >>>>> [ INFO  ] Updating hosted-engine configuration
> > >>>>> [ INFO  ] Stage: Transaction commit
> > >>>>> [ INFO  ] Stage: Closing up
> > >>>>>             To continue make a selection from the options below:
> > >>>>>             (1) Continue setup - engine installation is complete
> > >>>>>             (2) Power off and restart the VM
> > >>>>>             (3) Abort setup
> > >>>>> 
> > >>>>>             (1, 2, 3)[1]:
> > >>>>> [ INFO  ] Engine replied: DB Up!Welcome to Health Status!
> > >>>>> [ ERROR ] Cannot automatically add the host to the Default cluster:
> > >>>>> Cannot add Host. Host with the same address already exists.
> > >>>>> [ INFO  ] Waiting for the host to become operational in the engine.
> > >>>>> This
> > >>>>> may take several minutes...
> > >>>>> [ INFO  ] Still waiting for VDSM host to become operational...
> > >>>>> [ INFO  ] Still waiting for VDSM host to become operational...
> > >>>>> 
> > >>>>> And the stacktrace from the logs:
> > >>>>> 
> > >>>>> 2014-09-19 14:14:07 DEBUG
> > >>>>> otopi.plugins.ovirt_hosted_engine_setup.engine.add_host
> > >>>>> add_host._closeup:438 Cannot add the host to the Default cluster
> > >>>>> Traceback (most recent call last):
> > >>>>>     File
> > >>>>> "/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/ovirt-hosted-engine-setup/engine/add_host.py",
> > >>>>> 
> > >>>>> 
> > >>>>> line 432, in _closeup
> > >>>>>       override_iptables=True,
> > >>>>>     File
> > >>>>> "/usr/lib/python2.6/site-packages/ovirtsdk/infrastructure/brokers.py",
> > >>>>> line 9779, in add
> > >>>>>       headers={"Expect":expect, "Correlation-Id":correlation_id}
> > >>>>>     File
> > >>>>> "/usr/lib/python2.6/site-packages/ovirtsdk/infrastructure/proxy.py",
> > >>>>> line 88, in add
> > >>>>>       return self.request('POST', url, body, headers)
> > >>>>>     File
> > >>>>> "/usr/lib/python2.6/site-packages/ovirtsdk/infrastructure/proxy.py",
> > >>>>> line 118, in request
> > >>>>>       persistent_auth=self._persistent_auth)
> > >>>>>     File
> > >>>>> "/usr/lib/python2.6/site-packages/ovirtsdk/infrastructure/proxy.py",
> > >>>>> line 140, in __doRequest
> > >>>>>       persistent_auth=persistent_auth
> > >>>>>     File
> > >>>>> "/usr/lib/python2.6/site-packages/ovirtsdk/web/connection.py",
> > >>>>> line 134, in doRequest
> > >>>>>       raise RequestError, response
> > >>>>> RequestError:
> > >>>>> status: 409
> > >>>>> reason: Conflict
> > >>>>> detail: Cannot add Host. Host with the same address already exists.
> > >>>>> 2014-09-19 14:14:07 ERROR
> > >>>>> otopi.plugins.ovirt_hosted_engine_setup.engine.add_host
> > >>>>> add_host._closeup:445 Cannot automatically add the host to the
> > >>>>> Default
> > >>>>> cluster:
> > >>>>> Cannot add Host. Host with the same address already exists.
> > >>>>> 
> > >>>>> 
> > >>>>> Cheers,
> > >>>>> Stefan
> > >>>>> 
> > >>>>> 
> > >>>>> 
> > >>>>> _______________________________________________
> > >>>>> Users mailing list
> > >>>>> Users at ovirt.org
> > >>>>> http://lists.ovirt.org/mailman/listinfo/users
> > >>>>> 
> > >>>> 
> > >>>> 
> > >>>> what type of hardware is this? check the host uuid is not the same on
> > >>>> both please.
> > >>>> http://lists.ovirt.org/pipermail/users/2014-September/027278.html
> > >>> 
> > >>> Hi,
> > >>> 
> > >>> this is Supermicro Hardware. But the uuids differ. Anyway, I
> > >>> regenerated
> > >>> the uuid on node2. But I first have to fix another problem. After a
> > >>> reboot the first engine on node1 doesn't start because it says the
> > >>> storage path cannot be found. arrgh
> > >>> 
> > >>> I will investigate this and report my findings.
> > >>> 
> > >>> Cheers,
> > >>> Stefan
> > >>> 
> > >>> _______________________________________________
> > >>> Users mailing list
> > >>> Users at ovirt.org
> > >>> http://lists.ovirt.org/mailman/listinfo/users
> > >> 
> > >> Well everything is up and running again but I still have the same
> > >> problem. I did a uuidgen > /etc/vdsm/vdsm.id on ovirt node 2 and 3 even
> > >> though the uuids were different already.
> > >> 
> > >> What does ovirt mean by "Host with the same address already exists"?
> > >> What HOST is it referring to?
> > >> 
> > >> Greetings,
> > >> Stefan
> > >> 
> > > 
> > > oh, not same uuid, rather same host name (like ip address or dns name
> > > used to access it)
> > it - is the engine or the ovirt-node? The nodes have definitely
> > different ip addresses and dns entries. This is verified.
> >
> > If it is the engine then I might have a problem understanding some
> > things I Basically want one engine that runs on each node, if needed.
> >
> > Cheers
> 
> The hosts.
> Didi/Sandro?

It will probably be simplest to remove the second (and third?) host
from then engine, then try again.
-- 
Didi



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