[Linux-cluster] GFS cluster / DLM locking - Mostly idle but high load

[Gordan Bobic]

On Wed, 17 Oct 2007, Marc Grimme wrote:

>>>>> with your testing did you also try to adapt the size of the
>>>>> rsbtbl_size/lkbtbl_size?
>>>>
>>>> If I'm reading the docs correctly, these should be under /proc/cluster.
>>>> My nodes don't appear to have /proc/cluster. (!!)
>>>
>>> As you are using RHEL5, I thinks the settings have to be done
>>> in /sys/kernel/config/dlm/cluster/
>>> In your case it might be
>>> /var/comoonics/chroot/sys/kernel/config/dlm/cluster/
>>
>> Yup - that looks better. But I still cannot see any files called
>> rsbtbl_size or lkbtbl_size.
> I see it
> [root at axqa01_1 ~]# uname -a
> Linux axqa01_1 2.6.18-52.el5xen #1 SMP Wed Sep 26 16:01:46 EDT 2007 i686 i686
> i386 GNU/Linux
> [root at axqa01_1 ~]#
> cat /cdsl.local/var/comoonics/chroot/sys/kernel/config/dlm/cluster/lkbtbl_size
> 1024
> [root at axqa01_1 ~]#
> cat /cdsl.local/var/comoonics/chroot/sys/kernel/config/dlm/cluster/rsbtbl_size
> 256
> Hope that helps.
> Marc.

I don't have /cdsl.local/var/comoonics. I do have /var/comoonics, though:
# ls /var/comoonics/chroot/sys/kernel/config/dlm/cluster/
comms  spaces

Only comms and spaces directories there. :-(

Gordan