[Pacemaker] 2-node cluster with shared storage: what is current solution

emmanuel segura emi2fast at gmail.com
Wed Mar 19 11:39:07 EDT 2014

There is no sbd on centos(redhat), in your case you can use cman+pacemaker
and after that, create a volume group using the multipaths device and now
you can create the filesystem using the new volume group and copy the
oracle data, if you are using hp hadware you can use the ilo force fencing
and if you are dell hadware you can use the idrac

2014-03-19 16:20 GMT+01:00 Саша Александров <shurrman at gmail.com>:

> Hi, everyone!
> I have a running cluster on Centos 6.5, with drbd+cman+corosync+pacemaker
> 1.1.10 (as described in the latest guide). It is running Oracle DB on top
> of active/passive drbd resource.
> Now, we got shared storage over multipath FC there, so we need to move
> from drbd to shared storage. And I got totally confused now - I can not
> find a guide on how to set things up. I see two options:
> - use gfs2
> - use ext4 with sbd
> There are some guides on gfs2 in the net, however they all rely on RH set
> of cluster related stuff - luci, ricci, rgmanager and whatsoever... Is
> there any clue how and what to combine to get things going? How does
> pacemaker relate to all these RH tools?
> Actually I do not need to access data on both nodes simoultaneously,
> Oracle runs on just one node. So, sbd looks like an option - we need to
> make sure that when we have no cluster connectivity (but have access to
> shared storage) only one node writes to the filesystem. But, again, there
> are just some old guides, and there is no sbd listed in 'pcs stonith
> list'...
> Please point me to the right direction.
> Thanks in advance,
> Alex.
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