Hi Martin

Now you got it !

Executing: /usr/bin/ipmitool -I lan -H khk9dsk34-mgnt.ip.tdk.dk -U mgntuser -P 
[set] -p 623 -L ADMINISTRATOR chassis power status

1  Address lookup for khk9dsk34-mgnt.ip.tdk.dk failed
Address lookup for khk9dsk34-mgnt.ip.tdk.dk failed
Address lookup for khk9dsk34-mgnt.ip.tdk.dk failed
Unable to get Chassis Power Status

DNS was defined under installation, but both hosts has been rebooted, and now 
/etc/resolv.conf is empty
After I redefined nameservers in /etc/resolv.conf it works

Executing: /usr/bin/ipmitool -I lan -H khk9dsk34-mgnt.ip.tdk.dk -U mgntuser -P 
[set] -p 623 -L ADMINISTRATOR chassis power status
0 Chassis Power is on

I have seen this problem earlier. - After reboot /etc/resolv.conf is empty !!

Thank you for your help

Peter Calum
TDC


Fra: Martin Perina [mailto:mper...@redhat.com]
Sendt: 28. juli 2016 11:08
Til: Peter Michael Calum <pe...@tdc.dk>
Cc: users@ovirt.org; Eli Mesika <emes...@redhat.com>
Emne: Re: [ovirt-users] Fencing errors on oVirt Engine Version: 4.0.1

Hi Peter,
see my inline responses:

On Thu, Jul 28, 2016 at 9:32 AM, Peter Michael Calum 
<pe...@tdc.dk<mailto:pe...@tdc.dk>> wrote:
Hi Martin

I see no firewall issues.

I have made some more tests :

RHEV  3.6 host khk9dsk30  test to khk9dsk34 & khk9dsk35 - OK
RHEV  3.6 host khk9dsk31  test to khk9dsk34 & khk9dsk35 - OK
RHEV  3.5 host khk9dsk32  test to khk9dsk34 & khk9dsk35 - OK
RHEV  3.5 host khk9dsk33  test to khk9dsk34 & khk9dsk35 – OK
OVIRT 4.01 host
​​
khk9dsk34  test to khk9dsk34 & khk9dsk35 – FAIL
OVIRT 4.01 host khk9dsk35  test to khk9dsk34 & khk9dsk35 – FAIL
OVIRT 4.01 host khk9dsk34  test to khk9dsk30 & khk9dsk31 – FAIL

Could you check in the code  that ipmilan sends on port udp 623 ?

​Yes, this is the default port
​


All hosts are on same VLAN
[root@khk9dsk31 ~]# fence_ipmilan -a 
khk9dsk35-mgnt.ip.tdk.dk<http://khk9dsk35-mgnt.ip.tdk.dk> -l mgntuser –p 
xxxxxxxx -o status
Status: ON
[root@khk9dsk31 ~]# fence_ipmilan -a 
khk9dsk34-mgnt.ip.tdk.dk<http://khk9dsk34-mgnt.ip.tdk.dk> -l mgntuser -p 
xxxxxxxx -o status
Status: ON
[root@khk9dsk35 ~]# fence_ipmilan -a 
khk9dsk33-mgnt.ip.tdk.dk<http://khk9dsk33-mgnt.ip.tdk.dk> -l mgntuser -p 
xxxxxxxx -o status
Failed: Unable to obtain correct plug status or plug is not available

[root@khk9dsk35 ~]# fence_ipmilan -a 
khk9dsk30-mgnt.ip.tdk.dk<http://khk9dsk30-mgnt.ip.tdk.dk> -l mgntuser -p 
xxxxxxxx -o status
Failed: Unable to obtain correct plug status or plug is not available

[root@khk9dsk35 ~]# fence_ipmilan -a 
khk9dsk34-mgnt.ip.tdk.dk<http://khk9dsk34-mgnt.ip.tdk.dk> -l mgntuser -p 
xxxxxxxx -o status
Failed: Unable to obtain correct plug status or plug is not available

​
​From the above I can say that there are some networking issues on host ​

​
​
khk9dsk35​, you said that firewall is OK, so are IPMI hostnames resolvable?
Please also try to execute above with '-v' as we may get a bit more info about 
the issue.
​


[root@
​​
khk9dsk35 ~]# fence_ipmilan -a 
khk9dsk35-mgnt.ip.tdk.dk<http://khk9dsk35-mgnt.ip.tdk.dk> -l mgntuser -p 
xxxxxxxx -o status
Failed: Unable to obtain correct plug status or plug is not available

​This is normal, you are usually not able to connect to IPMI port of the host 
from the host​

​Thanks
Martin Perina
​

Br,
Peter Calum
Fra: users-boun...@ovirt.org<mailto:users-boun...@ovirt.org> 
[mailto:users-boun...@ovirt.org<mailto:users-boun...@ovirt.org>] På vegne af 
Peter Michael Calum
Sendt: 27. juli 2016 21:30
Til: Martin Perina <mper...@redhat.com<mailto:mper...@redhat.com>>
Cc: users@ovirt.org<mailto:users@ovirt.org>
Emne: [Phish] - Re: [ovirt-users] Fencing errors on oVirt Engine Version: 4.0.1

Hi Martin
I was wondering if this could be a firewall problem. We have recently 
introduced new fw rules, and I have not tested fencing on the 2 hypervisors 
before I switched them to ovirt 4, but there was no alarm in the old setup 
before I switched. - I will investigate this further to be sure, and will 
return.
Thanks for your help
/Peter


Fra: Martin Perina [mailto:mper...@redhat.com]
Sendt: 27. juli 2016 20:19
Til: Peter Michael Calum <pe...@tdc.dk<mailto:pe...@tdc.dk>>
Cc: users@ovirt.org<mailto:users@ovirt.org>; Eli Mesika 
<emes...@redhat.com<mailto:emes...@redhat.com>>
Emne: Re: [ovirt-users] Fencing errors on oVirt Engine Version: 4.0.1

Hmm, it's really strange that this is working on 3.6 and not on 4.0, I don't 
see any obvious error, so we need to find out what are correct parameters for 
your fencing device.
The easiest way is to execute fence_ipmilan, according to vdsm.log following 
are your current options:
fence_ipmilan -a khk9dsk35-mgnt.ip.tdk.dk<http://khk9dsk35-mgnt.ip.tdk.dk> -l 
mgntuser -p <PASSWORD> -o status
Does the above works if it's execute from 
khk9dsk34-mgnt.ip.tdk.dk<http://khk9dsk34-mgnt.ip.tdk.dk>? Btw is username 
correct? Shouldn't be there 'mgmtuser'?
If all of above is correct and you are still not able to get power status, here 
are options you could try:
-v
--lanplus
-4
Martin Perina

On Wed, Jul 27, 2016 at 5:07 PM, Peter Michael Calum 
<pe...@tdc.dk<mailto:pe...@tdc.dk>> wrote:
Hi,

Thank you for answering.

Here is the logs, one from each node.
I see the test from khk9dsk34 goes over khk9dsk35 and vice versa.

Same setup as on my redhat 3.6 setup, and no custom options.

Thanks
Peter


Fra: Martin Perina [mailto:mper...@redhat.com<mailto:mper...@redhat.com>]
Sendt: 27. juli 2016 11:56
Til: Peter Michael Calum <pe...@tdc.dk<mailto:pe...@tdc.dk>>
Cc: users@ovirt.org<http://ovirt.org>; Eli Mesika 
<emes...@redhat.com<mailto:emes...@redhat.com>>
Emne: Re: [ovirt-users] Fencing errors on oVirt Engine Version: 4.0.1

Hi Peter,
could you please share with us vdsm.log from the host that was used as fence 
proxy (the one that actually executed fence_ipmi agent)?
Also could you please check that fence agent options are the same as on 3.6 
setup? Do you any any custom options for this specific agent?
Thanks
Martin

On Wed, Jul 27, 2016 at 8:34 AM, Peter Michael Calum 
<pe...@tdc.dk<mailto:pe...@tdc.dk>> wrote:
Hi
I’m testing on Ovirt 4.01 and got errors when testing fencing on the hosts
I use IBM x3550M4 as host and ipmilan as fence agent.

I get this error when testing.
 [Failed: Unable to obtain correct plug status or plug is not available, , ]

I also have a 3.6 setup and there it works.

Ovirt Node 4.02
oVirt Engine Version: 4.0.1.1-1.el7.centos

Is this list the correct way to report errors ?

Venlig hilsen / Kind regards
Peter Calum
TDC, Denmark


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