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Re: [Linux-cluster] GFS upgrade questions



On Thu, 18 Dec 2008, Diego Liziero wrote:

On Thu, Dec 18, 2008 at 9:05 AM, Fabio M. Di Nitto <fdinitto redhat com> wrote:
On Thu, 18 Dec 2008, Kadlecsik Jozsef wrote:

We are planning to upgrade our stable - but relative old - GFS1 cluster
to the new version of the stable branch. However as this will be our first
GFS1 upgrade, it's pretty unknown to us and there are some questions
about it I'd like to ask:
[..]
This is cluster-2.02.00 with openais-0.80.3.

So your best upgrade path is to get latest openais-0.80.X serie and
cluster-2.03.xx.

You should be able to upgrade one node at a time without issues. If it
doesn't work as expected it is a bug so please make sure to notify us ASAP.

Does this answer apply to the same upgrade but starting from current
CentOS/RHEL 5.2?

openais-0.80.3-15.el5
cman-2.0.84-2.el5_2.2
kmod-gfs-PAE-0.1.23-5.el5_2.4
gfs-utils-0.1.17-1.el5

If you are running RHEL or CentOS, you have no reason to upgrade.

the RHEL packages and the STABLE2 branch (cluster-2.03.xx) receives the same set of bug fixes.

The main (and only) difference are the kernel modules. What comes with RHEL/CentOS is built for that kernel/release combination while cluster-2.03.xx follow upstream kernels (2.6.27 at this point in time).

Upgrading from what CentOS/RHEL to corosync/cluster-3.0.0.alpha1 has the same problematics as described before.

Fabio

--
I'm going to make him an offer he can't refuse.


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