Re: problems with clvmd

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On Mon, Apr 18, 2011 at 9:26 AM, Christine Caulfield
<ccaulfie@xxxxxxxxxx> wrote:
> On 18/04/11 15:11, Terry wrote:
>>
>> On Mon, Apr 18, 2011 at 8:57 AM, Christine Caulfield
>> <ccaulfie@xxxxxxxxxx>  wrote:
>>>
>>> On 18/04/11 14:38, Terry wrote:
>>>>
>>>> On Mon, Apr 18, 2011 at 3:48 AM, Christine Caulfield
>>>> <ccaulfie@xxxxxxxxxx>    wrote:
>>>>>
>>>>> On 17/04/11 21:52, Terry wrote:
>>>>>>
>>>>>> As a result of a strange situation where our licensing for storage
>>>>>> dropped off, I need to join a centos 5.6 node to a now single node
>>>>>> cluster.  I got it joined to the cluster but I am having issues with
>>>>>> CLVMD.  Any lvm operations on both boxes hang.  For example, vgscan.
>>>>>> I have increased debugging and I don't see any logs.  The VGs aren't
>>>>>> being populated in /dev/mapper.  This WAS working right after I joined
>>>>>> it to the cluster and now it's not for some unknown reason.  Not sure
>>>>>> where to take this at this point.   I did find one weird startup log
>>>>>> that I am not sure what it means yet:
>>>>>> [root@omadvnfs01a ~]# dmesg | grep dlm
>>>>>> dlm: no local IP address has been set
>>>>>> dlm: cannot start dlm lowcomms -107
>>>>>> dlm: Using TCP for communications
>>>>>> dlm: connecting to 2
>>>>>>
>>>>>
>>>>>
>>>>> That message usually means that dlm_controld has failed to start. Try
>>>>> starting the cman daemons (groupd, dlm_controld) manually with the -D
>>>>> switch
>>>>> and read the output which might give some clues to why it's not
>>>>> working.
>>>>>
>>>>> Chrissie
>>>>>
>>>>
>>>>
>>>> Hi Chrissie,
>>>>
>>>> I thought of that but I see dlm started on both nodes.  See right below.
>>>>
>>>>>> [root@omadvnfs01a ~]# ps xauwwww | grep dlm
>>>>>> root      5476  0.0  0.0  24736   760 ?        Ss   15:34   0:00
>>>>>> /sbin/dlm_controld
>>>>>> root      5502  0.0  0.0      0     0 ?        S<        15:34   0:00
>>>
>>>
>>> Well, that's encouraging in a way! But it's evidently not started fully
>>> or
>>> the DLM itself would be working. So I still recommend starting it with -D
>>> to
>>> see how far it gets.
>>>
>>>
>>> Chrissie
>>>
>>> --
>>> Linux-cluster mailing list
>>> Linux-cluster@xxxxxxxxxx
>>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>>
>>
>> I think we had posts cross.  Here's my latest:
>>
>> Ok, started all the CMAN elements manually as you suggested.  I
>> started them in order as in the init script. Here's the only error
>> that I see.  I can post the other debug messages if you think they'd
>> be useful but this is the only one that stuck out to me.
>>
>> [root@omadvnfs01a ~]# /sbin/dlm_controld -D
>> 1303134840 /sys/kernel/config/dlm/cluster/comms: opendir failed: 2
>> 1303134840 /sys/kernel/config/dlm/cluster/spaces: opendir failed: 2
>> 1303134840 set_ccs_options 480
>> 1303134840 cman: node 2 added
>> 1303134840 set_configfs_node 2 10.198.1.111 local 0
>> 1303134840 cman: node 3 added
>> 1303134840 set_configfs_node 3 10.198.1.110 local 1
>>
>
> Can I see the whole set please ? It looks like dlm_controld might be stalled
> registering with groupd.
>
> Chrissie
>
> --

Here you go.  Thank you very much for the help.  Each daemon's output
that I started is below.

[root@omadvnfs01a log]# /sbin/ccsd -n
Starting ccsd 2.0.115:
 Built: Mar  6 2011 00:47:03
 Copyright (C) Red Hat, Inc.  2004  All rights reserved.
  No Daemon:: SET

cluster.conf (cluster name = omadvnfs01, version = 71) found.
Remote copy of cluster.conf is from quorate node.
 Local version # : 71
 Remote version #: 71
Remote copy of cluster.conf is from quorate node.
 Local version # : 71
 Remote version #: 71
Remote copy of cluster.conf is from quorate node.
 Local version # : 71
 Remote version #: 71
Remote copy of cluster.conf is from quorate node.
 Local version # : 71
 Remote version #: 71
Initial status:: Quorate

[root@omadvnfs01a ~]# /sbin/fenced -D
1303134822 cman: node 2 added
1303134822 cman: node 3 added
1303134822 our_nodeid 3 our_name omadvnfs01a.sec.jel.lc
1303134822 listen 4 member 5 groupd 7
1303134861 client 3: join default
1303134861 delay post_join 3s post_fail 0s
1303134861 added 2 nodes from ccs
1303134861 setid default 65537
1303134861 start default 1 members 2 3
1303134861 do_recovery stop 0 start 1 finish 0
1303134861 finish default 1

[root@omadvnfs01a ~]# /sbin/dlm_controld -D
1303134840 /sys/kernel/config/dlm/cluster/comms: opendir failed: 2
1303134840 /sys/kernel/config/dlm/cluster/spaces: opendir failed: 2
1303134840 set_ccs_options 480
1303134840 cman: node 2 added
1303134840 set_configfs_node 2 10.198.1.111 local 0
1303134840 cman: node 3 added
1303134840 set_configfs_node 3 10.198.1.110 local 1


[root@omadvnfs01a ~]# /sbin/groupd -D
1303134809 cman: our nodeid 3 name omadvnfs01a.sec.jel.lc quorum 1
1303134809 setup_cpg groupd_handle 6b8b456700000000
1303134809 groupd confchg total 2 left 0 joined 1
1303134809 send_version nodeid 3 cluster 2 mode 2 compat 1
1303134822 client connection 3
1303134822 got client 3 setup
1303134822 setup fence 0
1303134840 client connection 4
1303134840 got client 4 setup
1303134840 setup dlm 1
1303134853 client connection 5
1303134853 got client 5 setup
1303134853 setup gfs 2
1303134861 got client 3 join
1303134861 0:default got join
1303134861 0:default is cpg client 6 name 0_default handle 6633487300000001
1303134861 0:default cpg_join ok
1303134861 0:default waiting for first cpg event
1303134861 client connection 7
1303134861 0:default waiting for first cpg event
1303134861 got client 7 get_group
1303134861 0:default waiting for first cpg event
1303134861 0:default waiting for first cpg event
1303134861 0:default confchg left 0 joined 1 total 2
1303134861 0:default process_node_join 3
1303134861 0:default cpg add node 2 total 1
1303134861 0:default cpg add node 3 total 2
1303134861 0:default make_event_id 300020001 nodeid 3 memb_count 2 type 1
1303134861 0:default queue join event for nodeid 3
1303134861 0:default process_current_event 300020001 3 JOIN_BEGIN
1303134861 0:default app node init: add 3 total 1
1303134861 0:default app node init: add 2 total 2
1303134861 0:default waiting for 1 more stopped messages before
JOIN_ALL_STOPPED

  3
1303134861 0:default mark node 2 stopped
1303134861 0:default set global_id 10001 from 2
1303134861 0:default process_current_event 300020001 3 JOIN_ALL_STOPPED
1303134861 0:default action for app: setid default 65537
1303134861 0:default action for app: start default 1 2 2 2 3
1303134861 client connection 7
1303134861 got client 7 get_group
1303134861 0:default mark node 2 started
1303134861 client connection 7
1303134861 got client 7 get_group
1303134861 got client 3 start_done
1303134861 0:default send started
1303134861 0:default mark node 3 started
1303134861 0:default process_current_event 300020001 3 JOIN_ALL_STARTED
1303134861 0:default action for app: finish default 1
1303134862 client connection 7
1303134862 got client 7 get_group


[root@omadvnfs01a ~]# /sbin/gfs_controld -D
1303134853 config_no_withdraw 0
1303134853 config_no_plock 0
1303134853 config_plock_rate_limit 100
1303134853 config_plock_ownership 0
1303134853 config_drop_resources_time 10000
1303134853 config_drop_resources_count 10
1303134853 config_drop_resources_age 10000
1303134853 protocol 1.0.0
1303134853 listen 3
1303134853 cpg 6
1303134853 groupd 7
1303134853 uevent 8
1303134853 plocks 10
1303134853 plock need_fsid_translation 1
1303134853 plock cpg message size: 336 bytes
1303134853 setup done

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