official way to load aoe module?

[Etzion Bar-Noy]

RHCS is a good solution. I have just finished teaching it to one of Cisco's
development teams today. If you understand its abilities and limitations,
you can live happily with it.

OCFS2 solves the mount/disk management issues with HA clusters. However, it
does not solve application and access locking. For this there is a cluster.

Ez

On Mon, Aug 23, 2010 at 1:56 PM, Amos Shapira <amos.shapira at gmail.com>wrote:

> On 23 August 2010 14:47, Etzion Bar-Noy <ezaton at tournament.org.il> wrote:
>
>> Adding LUNs does not require a reboot. Removing ones do. However, if you
>> let the cluster software manage all disk mount operations, as it should,
>> multiple-mounts will never happen, so no need for any special masking, but
>> only letting the cluster manage the mounts.
>>
>
> Indeed. Just today we had a long conference call with the hosting
> provider's SAN expert (they provide managed shared SAN service, very useful
> to cut costs) and that point was raised.
>
> We ended up doing what you describe - use a none-clustered file system and
> hope that RHCS does its job.
>
> Nope. I have been doing it for several years now, and I can quote the
>> procedure, if you like.
>> Download OCFS2 package for your kernel from here:
>>  http://oss.oracle.com/projects/ocfs2/files/RedHat/RHEL5/x86_64/1.4.7-1/ (I assumed it's x86_64 platform. Also - RHEL5)
>> Download OCFS2 tools from here:
>> http://
>> http://oss.oracle.com/projects/ocfs2-tools/files/RedHat/RHEL5/x86_64/1.4.4-1/(no need for the devel and debug packages)
>>
>> Install all three RPMs on all nodes.
>> Run, on each node, the command:
>> /etc/init.d/o2cb configure
>> Answer the questions.
>> Run on one node the GUI command (for first-timers) ocfs2console
>> Create a new clsuter, add all nodes with their names and IPs (if you have
>> multiple networks, select a non-busy one)
>> Press on "propagate cluster configuration" (or something similar, I don't
>> recall exactly), and you will have to insert the root password of each node
>> for "scp" command there.
>> Following that, your cluster is ready. Create a new partition, and mount
>> it. You will have to configure it to automatically mount via the /etc/fstab,
>> of course.
>>
>
> Thanks. Much appreciated.
> GUI and interactive tools are not an option, except maybe for first time
> learning-the-ropes. We configure everything automatically using puppet so
> we'll have to find a way to generate the files with that if we use it.
>
> Complexity. It increases the complexity of the RHCS configuration. It
>> requires RH cluster, even if you do not.
>>
>
> Does this mean that OCFS doesn't require RHCS? (not that it matters much
> now - we use RHCS for other reasons already and feel that a large part of
> the learning curve is behind us).
>
>  Cheers,
>
> --Amos
>
>
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