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

[Marc Grimme]

On Wednesday 17 October 2007 13:07:47 Gordan Bobic wrote:
> 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.
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.
>
> > 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
>
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-- 
Gruss / Regards,

Marc Grimme
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