Hello again!

hi Adrian

Using your config with the drbd official script in the slave node the
drbd isn't started but the monitor said that it is started. A
improvement is drbd script supports the two resources, with my config I
can't make it works with two resources. With my script all is running
OK, I don't know why but I am not implementing notify action in my
script, and official script seems to fail at this action.

Have anyone else tried official script with two resources ?
I have some light of my problem. I have made some tests and I have found some differences between versions of drbd and Heartbeat.

Official Script:
Heartbeat 2.1.4 + DRBD 8.0.13 -> Master node is OK, Slave node is shown as started but I hadn't moduled loaded Heartbeat 2.1.4 + DRBD 8.1.27~rc1 -> Master node is OK, Slave node is shown as started but I hadn't moduled loaded
Heartbeat 2.99.1 + DRBD 8.0.13 -> Master node is OK and Slave is OK
Heartbeat 2.99.1 + DRBD 8.1.27~rc1 -> Master node is OK and Slave is OK

It could be a problem on drbd OCF script of old versions, but Heartbeat 2.1.4 is a stable version. If you want to use Hearbeat 2.1.4 with 2 DRBD resources, you should do a new OCF script or use my script.

My script, is OK always.



yep, i just set up a 2 nodes with 2 drbd resources (one on each node). using debian etch, pacemaker 1.0/heartbeat 2.99, drbd 8.2.6. the drbd-stuff i had to backport from "expermintal"*. the 8.0.13 version vom backports.org had problems in failover. often the resources gone to "Consistent" state on failover (AKA it didn't work). Problems gone away with 8.2.6 version.

node1: DRBD, Filesystem, IPAddr2, Mysql
node2: DRBD, Filesystem, IPAddr2, Apache

the drbd connection goes over a cross-over cable between the 2 servers.


- Thomas

* http://packages.debian.org/search?
suite=experimental&section=all&arch=any&searchon=names&keywords=drbd8
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