I found this in vdsm.log and I think that could be the problem:
Thread-3771::ERROR::2015-12-18
16:18:58,597::brokerlink::279::ovirt_hosted_engine_ha.lib.brokerlink.BrokerLink::(_communicate)
Connection closed: Connection closed
Thread-3771::ERROR::2015-12-18
16:18:58,597::API::1847::vds::(_getHaInfo) failed to retrieve Hosted
Engine HA info
Traceback (most recent call last):
File "/usr/share/vdsm/API.py", line 1827, in _getHaInfo
stats = instance.get_all_stats()
File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py",
line 103, in get_all_stats
self._configure_broker_conn(broker)
File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/client/client.py",
line 180, in _configure_broker_conn
dom_type=dom_type)
File
"/usr/lib/python2.7/site-packages/ovirt_hosted_engine_ha/lib/brokerlink.py",
line 176, in set_storage_domain
.format(sd_type, options, e))
RequestError: Failed to set storage domain FilesystemBackend, options
{'dom_type': 'nfs3', 'sd_uuid': '46f55a31-f35f-465c-b3e2-df45c05e06a7'}:
Connection closed
Il 17/12/2015 18.51, Stefano Danzi ha scritto:
I partially solve the problem.
My host machine has 2 network interfaces with a bond. The bond was
configured with mode=4 (802.3ad) and switch was configured in the
same way.
If I remove one network cable the network become stable. With both
cables attached the network is instable.
I removed the link aggregation configuration from switch and change
the bond in mode=2 (balance-xor). Now the network are stable.
The strange thing is that previous configuration worked fine for one
year... since the last upgrade.
Now ha-agent don't reboot the hosted-engine anymore, but I receive two
emails from brocker evere 2/5 minutes.
First a mail with "ovirt-hosted-engine state transition
StartState-ReinitializeFSM" and after "ovirt-hosted-engine state
transition ReinitializeFSM-EngineStarting"
Il 17/12/2015 10.51, Stefano Danzi ha scritto:
Hello,
I have one testing host (only one host) with self hosted engine and 2
VM (one linux and one windows).
After upgrade ovirt from 3.6.0 to 3.6.1 the network connection works
discontinuously.
Every 10 minutes HA agent restart hosted engine VM because result
down. But the machine is UP,
only the network stop to work for some minutes.
I activate global maintenace mode to prevent engine reboot. If I ssh
to the hosted engine sometimes
the connection work and sometimes no. Using VNC connection to engine
I see that sometime VM reach external network
and sometimes no.
If I do a tcpdump on phisical ethernet interface I don't see any
packet when network on vm don't work.
Same thing happens fo others two VM.
Before the upgrade I never had network problems.
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