[xcat-user] nodediscovery issue

[Torsten]

Thanks Aaron,

might be a good idea.

Jarrod, thanks for the paper.

Aaron Knister schrieb:
> I took most of the xcat mac address discovery code and put it into a
> perl script. I'll drop it out on my ftp site when I get into work. You
> can run it, point it to a switch and it will show you what mac addresses
> are on which port. This might give you a better idea of where things are
> going wrong in xCAT.
> 
> On Feb 5, 2009, at 7:34 AM, Torsten wrote:
> 
>> Thanks
>> telnet doesn't work. It is blocked (the customer enabled ssh only for
>> remote login)
>>
>> snmpwalk works just fine
>>
>> It is a Cisco Switch. Good hint. And I'm sure we're not running on VLAN1
>> I've to find out which VLAN it is and try to use it with snmpwalk as well
>>
>> Btw, where should I see the MAC within the snmpwalk output?
>> I grep'ed for a known MAC on the correct switch w/o finding the MAC
>> anywhere
>>
>>
>>
>> Jarrod B Johnson schrieb:
>>> If at total defaults:
>>> -Try to telnet to the switch, see if it is still there
>>> -snmpwalk -v 1 -c public switch1
>>> -If cisco, and you aren't using vlan 1, also ensure snmpwalk -v 1
>>> public@<VLANNUMBER> switch1 looks good too.
>>>
>>> snmpwalk isn't required for discovery to work, just lets you see what
>>> xCAT would see.
>>> Inactive hide details for Torsten ---02/05/2009 04:52:23
>>> AM---Team,Torsten ---02/05/2009 04:52:23 AM---Team,
>>>
>>>
>>> From:   
>>> Torsten <torsten at bloth.net>
>>>
>>> To:   
>>> xCAT Users Mailing list <xcat-user at lists.xcat.org>
>>>
>>> Date:   
>>> 02/05/2009 04:52 AM
>>>
>>> Subject:   
>>> [xcat-user] nodediscovery issue
>>>
>>> ------------------------------------------------------------------------
>>>
>>>
>>>
>>> Team,
>>>
>>> I'm having an issue with a new iDataPlex node I just changed with a dead
>>> node in my cluster.
>>> What I did:
>>> I removed the MAC for the old node from the mac table
>>> I changed the chain table to:
>>> "nodename",,,"runcmd=bmcsetup,standby","nodediscover", ,
>>>
>>> Now I powered on the node, the node booted the nbk kernel and run into
>>> the bmcsetup.
>>> I can ssh to the node, I also can rerun bmcsetup.
>>> But heck, it will NOT discover the new MAC and put it into xCAT.
>>>
>>> The first time it works for ALL the nodes. Right for a fresh
>>> install/netboot
>>>
>>> So what I got now in the logs is sth like
>>> Feb  5 10:39:26 cws xCAT: Error communicating with switch1: Timeout
>>> So I assume xCAT tries to discover the MAC via the switches. Great.
>>> Works before. But doesn't seems to be so for now.
>>>
>>> Is there an easy way to test the communication to the switches?
>>> _______________________________________________
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>>> xcat-user at lists.xcat.org
>>> http://www.xcat.org/mailman/listinfo/xcat-user
>>>
>>>
>>>
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>>>
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