On Thu, Oct 22, 2015 at 5:38 PM, Simone Tiraboschi <stira...@redhat.com> wrote:
> > >> In case I want to setup a single host with self hosted engine, could I >> configure on hypervisor >> a) one NFS share for sh engine >> b) one NFS share for ISO DOMAIN >> c) a local filesystem to be used to create then a local POSIX complant FS >> storage domain >> and work this way as a replacement of all-in-one? >> > > Yes but c is just a workaround, using another external NFS share would > help a lot if in the future you plan to add o to migrate to a new server. > Why do you see this as a workaround, if I plan to have this for example as a devel personal infra without no other hypervisors? I think about better performance directly going local instead of adding overhead of NFS with itself.... >> >>>> >>> Put the host in global maintenance (otherwise the engine VM will be >>> restarted) >>> Shutdown the engine VM >>> Shutdown the host >>> >>> >> Please note that at some point I had to power off the hypervisor in the previous step, because it was stalled trying to stop two processes: "Watchdog Multiplexing Daemon" and "Shared Storage Lease Manager" https://drive.google.com/file/d/0BwoPbcrMv8mvTVoyNzhRNGpqN1U/view?usp=sharing It was apparently able to stop the "Watchdog Multiplexing Daemon" after some minutes https://drive.google.com/file/d/0BwoPbcrMv8mvZExNNkw5LVBiXzA/view?usp=sharing But no way for the Shared Storage Lease Manager and the screen above is when I forced a power off yesterday, after global maintenance and correct shutdown of sh engine and shutdown of hypervisor stalled. > >>>> >> Ok. And for starting all again, is this correct: >> >> a) power on hypevisor >> b) hosted-engine --set-maintenance --mode=none >> >> other steps required? >> >> > No, that's correct > Today after powering on hypervisor and waiting about 6 minutes I then ran: [root@ovc71 ~]# ps -ef|grep qemu root 2104 1985 0 15:41 pts/0 00:00:00 grep --color=auto qemu --> as expected no VM in execution [root@ovc71 ~]# systemctl status vdsmd vdsmd.service - Virtual Desktop Server Manager Loaded: loaded (/usr/lib/systemd/system/vdsmd.service; enabled) Active: active (running) since Fri 2015-10-23 15:34:46 CEST; 3min 25s ago Process: 1666 ExecStartPre=/usr/libexec/vdsm/vdsmd_init_common.sh --pre-start (code=exited, status=0/SUCCESS) Main PID: 1745 (vdsm) CGroup: /system.slice/vdsmd.service ├─1745 /usr/bin/python /usr/share/vdsm/vdsm └─1900 /usr/libexec/ioprocess --read-pipe-fd 56 --write-pipe-fd 55 --max-threads 10 --... Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 client step 1 Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 ask_user_info() Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 client step 1 Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 ask_user_info() Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 make_client_response() Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 client step 2 Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 parse_server_challenge() Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 ask_user_info() Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 make_client_response() Oct 23 15:34:46 ovc71.localdomain.local python[1745]: DIGEST-MD5 client step 3 --> I think it is expected that vdsmd starts anyway, even in global maintenance, is it correct? But then: [root@ovc71 ~]# hosted-engine --set-maintenance --mode=none Traceback (most recent call last): File "/usr/lib64/python2.7/runpy.py", line 162, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib64/python2.7/runpy.py", line 72, in _run_code exec code in run_globals File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/set_maintenance.py", line 73, in <module> if not maintenance.set_mode(sys.argv[1]): File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_setup/set_maintenance.py", line 61, in set_mode value=m_global, File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", line 259, in set_maintenance_mode str(value)) File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py", line 201, in set_global_md_flag with broker.connection(self._retries, self._wait): File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__ return self.gen.next() File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 99, in connection self.connect(retries, wait) File "/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py", line 78, in connect raise BrokerConnectionError(error_msg) ovirt_hosted_engine_ha.lib.exceptions.BrokerConnectionError: Failed to connect to broker, the number of errors has exceeded the limit (1) What to do next?
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