[Linux-cluster] Error starting up CLVMD

[Patrick Caulfield]

Robert S Peterson wrote:
> On Thu, 2006-06-08 at 16:17 -0400, Vernard C. Martin wrote:
>> The first node came up fine but the 2nd node is giving me a strange 
>> error when trying to start up "clvmd". The error is:[root at node001 ~]# clvmd
>> clvmd could not connect to cluster manager
>> Consult syslog for more information
>> [root at node001 ~]#
>>
>> the syslog has:
>> Jun  8 16:04:16 node001 clvmd: Unable to create lockspace for CLVM: No 
>> such file or directory
> 
> Hi Vernard,
> 
> I'm not very knowledgeable in the ways of lvm, however, you may want to
> check to make sure that lock_dlm.ko is loaded (by using lsmod).
> I don't know the code, but I'm guessing it's trying to create a lock
> space by opening one of the dlm kernel devices (/dev/dlm*) which should
> be controlled by the lock_dlm device driver.  If that's not loaded, it
> will fail.

Bob's right, it sounds like the DLM isn't loaded. The module name is just
"dlm" BTW and the device should show up in /proc/misc and (if udev is running)
/dev/misc/dlm-control. lock_dlm is the GFS interface to the DLM...yes, I know
it's confusing.



-- 

patrick