(In reply to haiyang,dong from comment #0)
> Description of problem:
> upgrading the RHEV-H from "rhevh-6.5-20140603.2.el6ev.iso" to
> "rhevh-6.5-20140618.0.el6ev.iso"
> via RHEV admin portal.After upgraded,Can't login the hypervisor with correct
> password and also the
> host shown maintenance status, not up status in RHEV admin portal.
> Exception with follow error:
> ================================
> Red Hat Enterprise Virtualization Hypervisor release 6.5 (20140618.0.el6ev)
> Kernel 2.6.32-431.20.3.el6.x86_64 on an x86_64 (/dev/ttyS0)
> 
> Please login as 'admin' to configure the node
> dhcp-10-206.nay.redhat.com login: admin
> Password: 
> Last login: Thu Jun 19 06:02:53 on tty1
> Traceback (most recent call last):                                      
>   File "/usr/lib64/python2.6/runpy.py", line 122, in _run_module_as_main
>   File "/usr/lib64/python2.6/runpy.py", line 34, in _run_code
>   File "/usr/lib/python2.6/site-packages/ovirt/node/setup/__main__.py", line
> 48,
>  in <module>
>   File "/usr/lib/python2.6/site-packages/ovirt/node/app.py", line 265, in run
>   File "/usr/lib/python2.6/site-packages/ovirt/node/app.py", line 353, in
> __load
> _plugins
>   File "/usr/lib/python2.6/site-packages/ovirt/node/setup/vdsm/__init__.py",
> lin
> e 26, in createPlugins
>   File
> "/usr/lib/python2.6/site-packages/ovirt/node/setup/vdsm/engine_page.py", 
> line 98, in __init__
>   File
> "/usr/lib/python2.6/site-packages/ovirt/node/setup/vdsm/engine_page.py", 
> line 57, in sync_mgmt
>   File "/usr/lib64/python2.6/xmlrpclib.py", line 1199, in __call__
>   File "/usr/lib64/python2.6/xmlrpclib.py", line 1489, in __request
>   File "/usr/lib64/python2.6/xmlrpclib.py", line 1235, in request
>   File "/usr/lib64/python2.6/xmlrpclib.py", line 1349, in send_content
>   File "/usr/lib64/python2.6/httplib.py", line 908, in endheaders
>   File "/usr/lib64/python2.6/httplib.py", line 780, in _send_output
>   File "/usr/lib64/python2.6/httplib.py", line 739, in send
>   File "/usr/lib64/python2.6/site-packages/vdsm/SecureXMLRPCServer.py", line
> 188
> , in connect
>   File "/usr/lib64/python2.6/socket.py", line 567, in create_connection
> socket.error: [Errno 113] No route to host

I couldn't reproduce, the upgrade worked nicely here. Basically, vdscli cannot locate a route to engine so when the TUI loads the plugins and ovirt-node-plugin-vdsm fetches the available networks we get this error.

Can you please entry as single mode and add a root password via /usr/libexec/ovirt-config-password ?

After that reboot the host again and as the error should persist can you please login as root and check if your network settings are gone? 

Thanks

Pavel, can you please review the bug and provide the qa flag?

Thanks!

Arthur, can you please review the bug and provide the pm flag?

Thanks!

(In reply to Douglas Schilling Landgraf from comment #1)
> (In reply to haiyang,dong from comment #0)
> 
> I couldn't reproduce, the upgrade worked nicely here. Basically, vdscli
> cannot locate a route to engine so when the TUI loads the plugins and
> ovirt-node-plugin-vdsm fetches the available networks we get this error.
> 
> Can you please entry as single mode and add a root password via
> /usr/libexec/ovirt-config-password ?
> 
> After that reboot the host again and as the error should persist can you
> please login as root and check if your network settings are gone? 
> 
> Thanks

Hey dougsland,

I also couldn't reproduce 100%, maybe it's due to my dns server issue,
but at lease we should catch the socket.error exception in engine_page to
make sure that we could login rhevh.

(In reply to haiyang,dong from comment #4)
> (In reply to Douglas Schilling Landgraf from comment #1)
> > (In reply to haiyang,dong from comment #0)
> > 
> > I couldn't reproduce, the upgrade worked nicely here. Basically, vdscli
> > cannot locate a route to engine so when the TUI loads the plugins and
> > ovirt-node-plugin-vdsm fetches the available networks we get this error.
> > 
> > Can you please entry as single mode and add a root password via
> > /usr/libexec/ovirt-config-password ?
> > 
> > After that reboot the host again and as the error should persist can you
> > please login as root and check if your network settings are gone? 
> > 
> > Thanks
> 
> Hey dougsland,
> 
> I also couldn't reproduce 100%, maybe it's due to my dns server issue,
> but at lease we should catch the socket.error exception in engine_page to
> make sure that we could login rhevh.

Correct, for that we need the flags. Thanks.

moving back to MODIFIED, vdsm 3.4.2 wasn't build or delivered to QA.
also - this bug is missing the 3.5/master fix and the 3.4 fix should move to a cloned bug for 3.4

This bug has a fix in ovirt-3.5 prior to branching http://gerrit.ovirt.org/28674. But yes, this bug is pending qa_ack and clone.

Removing needinfo on me, fix available in branch 3.5

Verified
upgrade from rhevh-6.5-20140603.2.el6ev.iso to rhev-hypervisor6-6.6-20141007.0.iso