[Ocfs2-users] Pb with ocfs2 & dlm on Fedora 13

[Tao Ma]

Hi Alain,

On 11/09/2010 04:49 PM, Alain.Moulle wrote:
>   Hi,
> The three cluster.conf are exactly the same on the 3 nodes.
> The errors messages are :
>
> -nodes1:
> 	o2net: accepted connection from node selfxl-5 (num 1) at
> 10.197.189.218:7777
> o2net: no longer connected to node selfxl-5 (num 1) at
> 10.197.189.218:7777
>
> -nodes2:
> 	(1457,1):o2net_connect_expired:1656 ERROR: no connection established
> with node 1 after 30.0 seconds, giving up and returning errors.
>
> Note that once a mount is refused for example on node3, if
> I umount the FS on node1 for example, then I can mount it
> on node3.
Oh, so do you have enough slots for all these 3 nodes to mount?

What's the output for the below command?
echo 'stats'|debugfs.ocfs2 /dev/sdx|grep Slots

Regards,
Tao
> Note also that when the mound is refused for example on node3,
> I've check that this node3"pings"  successfully both other
> nodes on IP addr given in cluster.conf.
>
> Alain
>
>
>
>
> Tao Ma a écrit :
>> Hi Alain,
>>
>> On 11/08/2010 11:08 PM, Alain.Moulle wrote:
>>
>>>    Hi,
>>>
>>> I have a problem on Fedora13 with releases :
>>> ocfs2  1.4.3-5.fc13.x86_64
>>> dlm_tool 3.0.17
>>>
>>> With a 3 nodes ocfs2 cluster, I can't mount FS on the three nodes at the same time
>>> but only on two nodes   among the 3 nodes  , whatever the two nodes are among the 3 nodes.
>>>
>>> The errors are :
>>> "(1475,0):o2net_connect_expired:1656 ERROR: no connection established
>>> with node 2 after 30.0 seconds, giving up and returning errors.
>>> (2175,0):dlm_request_join:1035 ERROR: status = -107
>>> (2175,0):dlm_try_to_join_domain:1209 ERROR: status = -107
>>> (2175,0):dlm_join_domain:1487 ERROR: status = -107
>>> (2175,0):dlm_register_domain:1753 ERROR: status = -107
>>> (2175,0):o2cb_cluster_connect:313 ERROR: status = -107
>>> (2175,0):ocfs2_dlm_init:2995 ERROR: status = -107
>>> (2175,0):ocfs2_mount_volume:1789 ERROR: status = -107
>>> ocfs2: Unmounting device (8,16) on (node 0)
>>> o2net: no longer connected to node selfxl-4 (num 0) at
>>> 10.197.189.204:7777
>>> o2net: connected to node selfxl-4 (num 0) at 10.197.189.204:7777
>>>
>>> It seems to be a lock management problem
>>> Is it an already known issue ?
>>> Is there an available patch ?
>>>
>> It doesn't look like a dlm problem, but a network problem. ;)
>> So your first error is o2net_connect_expired.
>> So it seems that the 3rd node can't connect with node 2.
>> Could you please check the error message in node 2?
>>
>> btw, I would deem that the cluster.conf is the same among the 3 nodes,
>> and you you can connect to 7777(which is used by ocfs2) of node 2 from
>> node 3.
>>
>> Regards,
>> Tao
>>
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>>
>>
>>
>