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Re: [Linux-cluster] STABLE3: Cannot mount gfs, "no such device"



I'm using the vanilla kernel, 2.6.29.4. I've held off on RH's kernel patches.

I've downloaded the source from http://sourceware.org/cluster.

Has anyone made this combination work? Is there any more information I can give you?


               |
               | Cluster 3.0.0rc2
               | Corosync .97
               | OpenAIS .96
               | LVMS 2.02.47
               | Kernel 2.6.29.4



djm



On May 29, 2009, at 3:13 AM, Marc - A. Dahlhaus [ Administration | Westermann GmbH ] wrote:

Hello djm,


i don't think that stable3 works as expected on RHEL5U3 as it is
tracking the vanilla kernel >=2.6.29 and RHEL5 uses 2.6.18 and its
cluster suite uses another branch... Might be better if you checkout the latest branch for RHEL5 and build up your stack from there. As far as i know, the module lock_dlm is no more a module by itself in stable3 as it
is build into gfs.ko now.

It might be useful for you to read the change logs of stable3 (you'll
find them in the list archives) and also take a look on
http://sourceware.org/cluster for branches and other useful
information...

Hope that helps,

Marc

Am Donnerstag, den 28.05.2009, 17:33 -0500 schrieb Dave Merhar:
Any idea why dmesg reports that Lock_DLM has been installed, but no
module is reported by lsmod?

Will the RHE5U3 kmod_gfs2 rpm be compatible with STABLE3?  I had to
scrape out the RHEL5U3 rpms in order to get the STABLE3 cman and clvmd
working.

djm




______________________________________________________________________
From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com] On Behalf Of Ian Hayes
Sent: Thursday, May 28, 2009 4:30 PM
To: linux clustering
Subject: Re: [Linux-cluster] STABLE3: Cannot mount gfs, "no such
device"



If you're installing from RHEL5 media, I believe the kmod-gfs2 RPM
supplies that object.

On Thu, May 28, 2009 at 5:03 PM, David Merhar
<merhar arlut utexas edu> wrote:
       RHEL5U3.

       I assumed that the dlm_lock would be built and installed with
       Cluster 3.0.0rc2, so I built the cluster without the
       gfs/cluster modules.

       When I modprobe gfs, dmesg reports that Lock_DLM has been
       installed (along with GFS and Lock_NoLock), however  lsmod did
       not show a lock_dlm.  I could not find lock_dlm.ko on the
       systems.  lsmod did show dlm and gfs was loaded.

       Please let me know where I can get the necessary modules.

       Thanks.

       djm






       On May 28, 2009, at 3:43 PM, Bob Peterson wrote:

               ----- "David Merhar" <merhar arlut utexas edu> wrote:
               | Everything seems perfect until we try to mount.
                lvdisplay shows the
               |
               | volume.  mkfs.gfs2 runs fine.  The device is visible
               under both /dev
               |
               | and /dev/mapper
               |
               | Cluster 3.0.0rc2
               | Corosync .97
               | OpenAIS .96
               | LVMS 2.02.47
               | Kernel 2.6.29.4
               |
               | Please advise.
               |
               | Thanks.
               |
               | djm

               Hi David,

               Usually this means, for whatever reason, that you
               don't have
               one (or more) of these kernel modules loaded:

               gfs2.ko, lock_dlm.ko, dlm.ko

               So check lsmod to see if they're there.  If not,
               you'll have
               to get them, and getting them depends on your
               platform, which
               you didn't mention.

               Regards,

               Bob Peterson
               Red Hat GFS

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