[Ocfs2-users] mounted.ocfs2 -f shows Unknown

Sunil Mushran sunil.mushran at oracle.com
Tue Jan 12 14:06:02 PST 2010


mounted.ocfs2 looks up 
/sys/kernel/config/cluster/<clustername>/node/<nodename>/num
to match the node number with the node name. If it does not find it, it 
prints unknown.


David Johle wrote:
> # debugfs.ocfs2 -R "slotmap" /dev/dm-6
> Slot# Node#
> 0 3
> 1 2
>
> # debugfs.ocfs2 -R "hb" /dev/dm-6
> node: node seq generation checksum
> 1: 1 000000004b3949ce 0000000000000000 fb8894ff
> 2: 2 000000004b4cd7d0 e869dccb731433ed 805d51fc
> 3: 3 000000004b4cd796 2713837530adc63c 7c4bb936
>
> # debugfs.ocfs2 -R "hb" /dev/dm-6
> node: node seq generation checksum
> 1: 1 000000004b3949ce 0000000000000000 fb8894ff
> 2: 2 000000004b4cd7d8 e869dccb731433ed 03cb88bc
> 3: 3 000000004b4cd79e 2713837530adc63c ffdd6076
>
> At 06:46 PM 1/11/2010, Sunil Mushran wrote:
>> Email me the outputs of the following:
>>
>> # debugfs.ocfs2 -R "slotmap" /dev/dm-6
>>
>> # debugfs.ocfs2 -R "hb" /dev/dm-6
>> wait 10 seconds.
>> # debugfs.ocfs2 -R "hb" /dev/dm-6
>>
>>
>> David Johle wrote:
>>> I was setting up a new 3 node cluster of systems and just so 
>>> happened to have only 2 of the nodes online after a kernel update. 
>>> Those nodes were numbers 2 & 3 in the cluster.conf.
>>>
>>> It seems that the issue referenced here...
>>> http://kr.forums.oracle.com/forums/thread.jspa?threadID=1005937
>>>
>>> ...is still around. Not so much that I have configured a node number 
>>> too high (they are 1,2,3 and node count is 3), but rather there is a 
>>> node that joined the domain who's number is higher than the total 
>>> number of nodes joined thus far.
>>>
>>> ----sample output----
>>>
>>> # mounted.ocfs2 -f
>>>
>>> Device FS Nodes
>>> /dev/dm-6 ocfs2 Unknown, whip
>>>
>>> ----sample output----
>>>
>>>
>>>
>>> Has anyone else run across this, or can anyone else confirm this 
>>> happens and that it's not just something configured wrong on my 
>>> system (I've double checked many times).
>>>
>>> It seems to only be a cosmetic thing for this command, everything 
>>> works fine as far as filesystem access and whatnot.




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