[Ocfs2-users] can't mount device

[Christophe BOUDER]

> hi,how about ocfs2?  i have setup a 25 nodes cluster, but often some nodes
> dead, and panic.

yes sometimes ,
but my environnement has heavy loads on each node
using huge of data.

Now i have :
 mount.ocfs2: Unknown code B 0 while mounting /dev/sda1 on /home.

i think i must reboot one of the alive nodes
but which one ?

>
> thanks
>
>
>
> At 2011-04-23 13:16:35£¬"Christophe BOUDER" <Christophe.Bouder at lip6.fr>
> wrote:
>
>>
>>> Is this during boot or is the mount manual?
>>
>>during boot and on manual mount.
>>
>>> Does it succeed on second attempt?
>>
>>no, it does not succeed .
>>
>>
>>>
>>> On 04/22/2011 06:33 AM, Christophe BOUDER wrote:
>>>> Hello,
>>>> i'm running ocfs2 on 27 nodes
>>>> with 2 devices ( 2 fiber channel disk array  storage)
>>>> on debian system
>>>> vanilla kernel 2.6.38.2
>>>> ocfs2-tools    1.6.3-1
>>>>
>>>> sometimes when i want to mount the device1
>>>> after a reboot i can't :
>>>>
>>>>   (mount.ocfs2,9543,2):dlm_join_domain:1857 Timed out joining dlm
>>>> domain
>>>> EA9679D689F64044BFBCDF0D2F7BCDF0 after 94000 msecs
>>>>
>>>>
>>>> the other nodes have already mounted device1
>>>> and have heavy I/O access on it.
>>>> The node which want to mount device1 have already mounted device2.
>>>>
>>>> any help welcome.
>>>> thank you.
>>>>
>>>> see the file o2cb.
>>>>
>>>> cat /etc/default/o2cb
>>>> #
>>>> # This is a configuration file for automatic startup of the O2CB
>>>> # driver.  It is generated by running 'dpkg-reconfigure ocfs2-tools'.
>>>> # Please use that method to modify this file.
>>>> #
>>>>
>>>> # O2CB_ENABLED: 'true' means to load the driver on boot.
>>>> O2CB_ENABLED=true
>>>>
>>>> # O2CB_BOOTCLUSTER: If not empty, the name of a cluster to start.
>>>> O2CB_BOOTCLUSTER=bigstock
>>>>
>>>> # O2CB_HEARTBEAT_THRESHOLD: Iterations before a node is considered
>>>> dead.
>>>> O2CB_HEARTBEAT_THRESHOLD=61
>>>>
>>>> # O2CB_IDLE_TIMEOUT_MS: Time in ms before a network connection is
>>>> considered dead.
>>>> O2CB_IDLE_TIMEOUT_MS=60000
>>>>
>>>> # O2CB_KEEPALIVE_DELAY_MS: Max. time in ms before a keepalive packet
>>>> is
>>>> sent.
>>>> O2CB_KEEPALIVE_DELAY_MS=4000
>>>>
>>>> # O2CB_RECONNECT_DELAY_MS: Min. time in ms between connection
>>>> attempts.
>>>> O2CB_RECONNECT_DELAY_MS=4000
>>>>
>>>>
>>>
>>>
>>
>>
>>--
>>Christophe .
>>
>>
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>


-- 
Christophe .