[Ocfs2-users] Unable to stop cluster as heartbeat region still active

[Sunil Mushran]

ocfs2_hb_ctl -l -u 0C4AB55FE9314FA5A9F81652FDB9B22D

On 10/18/2011 02:40 PM, Laurentiu Gosu wrote:
> mounted.ocfs2 -d
> Device                FS     Stack  UUID                              Label
> /dev/mapper/volgr1-lvol0  ocfs2  o2cb   0C4AB55FE9314FA5A9F81652FDB9B22D  ocfs2
>
> mounted.ocfs2 -f
> Device                FS     Nodes
> /dev/mapper/volgr1-lvol0  ocfs2  ro02xsrv001
>
> ro02xsrv001 = the other node in the cluster.
>
> By the way, there is no /dev/md-2
>  ls /dev/dm-*
> /dev/dm-0  /dev/dm-1
>
>
> On 10/19/2011 00:37, Sunil Mushran wrote:
>> So it is not mounted. But we still have a hb thread because
>> hb could not be stopped during umount. The reason for that
>> could be the same that causes ocfs2_hb_ctl to fail.
>>
>> Do:
>> mounted.ocfs2 -d
>>
>> On 10/18/2011 02:32 PM, Laurentiu Gosu wrote:
>>> ls -lR /sys/kernel/debug/ocfs2
>>> /sys/kernel/debug/ocfs2:
>>> total 0
>>>
>>> ls -lR /sys/kernel/debug/o2dlm
>>> /sys/kernel/debug/o2dlm:
>>> total 0
>>>
>>> ocfs2_hb_ctl -I -d /dev/dm-2
>>> ocfs2_hb_ctl: Device name specified was not found while reading uuid
>>>
>>> There is no /dev/dm-2 mounted.
>>>
>>>
>>> On 10/19/2011 00:27, Sunil Mushran wrote:
>>>> mount -t debugfs debugfs /sys/kernel/debug
>>>>
>>>> Then list that dir.
>>>>
>>>> Also, do:
>>>> ocfs2_hb_ctl -l -d /dev/dm-2
>>>>
>>>> Be careful before killing. We want to be sure that dev is not mounted.
>>>>
>>>> On 10/18/2011 02:23 PM, Laurentiu Gosu wrote:
>>>>> Again   the outputs:
>>>>>  cat /sys/kernel/config/cluster/CLUSTER/heartbeat/918673F06F8F4ED188DDCE14F39945F6/dev
>>>>> dm-2
>>>>> --->here should be volgr1-lvol0 i guess?
>>>>>
>>>>> ls -lR /sys/kernel/debug/ocfs2
>>>>> ls: /sys/kernel/debug/ocfs2: No such file or directory
>>>>>
>>>>> ls -lR /sys/kernel/debug/o2dlm
>>>>> ls: /sys/kernel/debug/o2dlm: No such file or directory
>>>>>
>>>>> I think i have to enable debug first somehow..?
>>>>>
>>>>> Laurentiu.
>>>>>
>>>>> On 10/19/2011 00:17, Sunil Mushran wrote:
>>>>>> What does this return?
>>>>>> cat /sys/kernel/config/cluster/CLUSTER/heartbeat/918673F06F8F4ED188DDCE14F39945F6/dev
>>>>>>
>>>>>> Also, do:
>>>>>> ls -lR /sys/kernel/debug/ocfs2
>>>>>> ls -lR /sys/kernel/debug/o2dlm
>>>>>>
>>>>>> On 10/18/2011 02:14 PM, Laurentiu Gosu wrote:
>>>>>>> Here is the output:
>>>>>>>
>>>>>>> ls -lR /sys/kernel/config/cluster
>>>>>>> /sys/kernel/config/cluster:
>>>>>>> total 0
>>>>>>> drwxr-xr-x 4 root root 0 Oct 19 00:12 CLUSTER
>>>>>>>
>>>>>>> /sys/kernel/config/cluster/CLUSTER:
>>>>>>> total 0
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 fence_method
>>>>>>> drwxr-xr-x 3 root root    0 Oct 19 00:12 heartbeat
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 idle_timeout_ms
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 keepalive_delay_ms
>>>>>>> drwxr-xr-x 4 root root    0 Oct 11 20:23 node
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 reconnect_delay_ms
>>>>>>>
>>>>>>> /sys/kernel/config/cluster/CLUSTER/heartbeat:
>>>>>>> total 0
>>>>>>> drwxr-xr-x 2 root root    0 Oct 19 00:12 918673F06F8F4ED188DDCE14F39945F6
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 dead_threshold
>>>>>>>
>>>>>>> /sys/kernel/config/cluster/CLUSTER/heartbeat/918673F06F8F4ED188DDCE14F39945F6:
>>>>>>> total 0
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 block_bytes
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 blocks
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 dev
>>>>>>> -r--r--r-- 1 root root 4096 Oct 19 00:12 pid
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 start_block
>>>>>>>
>>>>>>> /sys/kernel/config/cluster/CLUSTER/node:
>>>>>>> total 0
>>>>>>> drwxr-xr-x 2 root root 0 Oct 19 00:12 ro02xsrv001
>>>>>>> drwxr-xr-x 2 root root 0 Oct 19 00:12 ro02xsrv002
>>>>>>>
>>>>>>> /sys/kernel/config/cluster/CLUSTER/node/ro02xsrv001:
>>>>>>> total 0
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 ipv4_address
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 ipv4_port
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 local
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 num
>>>>>>>
>>>>>>> /sys/kernel/config/cluster/CLUSTER/node/ro02xsrv002:
>>>>>>> total 0
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 ipv4_address
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 ipv4_port
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 local
>>>>>>> -rw-r--r-- 1 root root 4096 Oct 19 00:12 num
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On 10/19/2011 00:12, Sunil Mushran wrote:
>>>>>>>> ls -lR /sys/kernel/config/cluster
>>>>>>>>
>>>>>>>> What does this return?
>>>>>>>>
>>>>>>>> On 10/18/2011 02:05 PM, Laurentiu Gosu wrote:
>>>>>>>>> Hi,
>>>>>>>>> I have a 2 nodes ocfs2 cluster running UEK 2.6.32-100.0.19.el5,
>>>>>>>>> ocfs2console-1.6.3-2.el5, ocfs2-tools-1.6.3-2.el5.
>>>>>>>>> My problem is that all the time when i try to run /etc/init.d/o2cb stop
>>>>>>>>> it fails with this error:
>>>>>>>>>       Stopping O2CB cluster CLUSTER: Failed
>>>>>>>>>       Unable to stop cluster as heartbeat region still active
>>>>>>>>> There is no active mount point. I tried to manually stop the heartdbeat
>>>>>>>>> with "ocfs2_hb_ctl -K -d /dev/mapper/volgr1-lvol0 ocfs2" (after finding
>>>>>>>>> the refs number with "ocfs2_hb_ctl -I -d /dev/mapper/volgr1-lvol0 ").
>>>>>>>>> But even if refs number is set to zero the "heartbeat region still
>>>>>>>>> active" occurs.
>>>>>>>>> How can i fix this?
>>>>>>>>>
>>>>>>>>> Thank you in advance.
>>>>>>>>> Laurentiu.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Ocfs2-users mailing list
>>>>>>>>> Ocfs2-users at oss.oracle.com
>>>>>>>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>