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

[Gordan Bobic]

On Wed, 17 Oct 2007, Mark Hlawatschek 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.

> You could also easily mount the configfs to /sys/kernel/config with a
> #mount -t configfs none /sys/kernel/config/
> Please note, that the settings have to be done before mounting your data
> filesystem.

How does one change these settings in the init root, before the GFS root 
gets mounted? Where should I make the change for my initrd?

Gordan