On Fri, Apr 13, 2012 at 11:26 PM, Timo Schäpe <scha...@dfn-cert.de> wrote:
> Am 10.04.2012 23:43, schrieb Andrew Beekhof:
>> On Tue, Apr 10, 2012 at 11:05 PM, Timo Schäpe <scha...@dfn-cert.de> wrote:
>>> Hi,
>>> for whom it may interest, here's something that cost me a whole day of work:
>>>
>>> I used CTS to test my cluster configuration and it worked fine. For
>>> debugging a resource agent I switched on the debug output in corosync.conf:
>>>
>>> logging {
>>> [...]
>>> debug: on
>>> [...]
>>> }
>>>
>>> After I fixed the bug, I forgot to switch debug output off. This caused
>>> most of the CTS tests to fail with this warning:
>>>
>>> CTS: Warn: Startup pattern not found: myhost crmd:.*The local CRM is
>>> operational
>>>
>>> After I switched debug output off, the CTS worked fine as before.
>>
>> We've since added a BadNews pattern that looks for syslog messages
>> being dropped/throttled.
>>
>> How was your experience with CTS otherwise?
>> Periodically I try to improve the usability so that eventually
>> non-developers can use it, it would be interesting to hear how we're
>> doing.
>
> It was easy for me to work with CTS. I read about the basics of CTS in
> the book of Michael Schwartzkopff (Clusterbau). Some deeper information
> about the configuration I got from the README and that was enough to
> start some tests.
>
> What I missed is a short explanation of the tests and the meaning of
> their failures. For example my cluster fails completly at the
> ResourceRecover and Reattach tests. But unfortunately I only know the
> meaning of the ResourceRecover test, because there is an explanation in
> the Schwartzkopff book. Maybe there is an online resource that I had
> overlooked till now.
There is
http://www.clusterlabs.org/wiki/ReleaseTesting#List_of_Automated_Test_Cases
But its all but impossible to describe the failures as that would be a
list of every possible bug - basically there shouldn't be any
failures.
>
> And I am not sure, how I can test a cluster with STONITH resources with
> the CTS. Should I use the stonith-ssh?
As Dejan mentioned, you can (and should) use whichever stonith device
you would normally define.
Are you having CTS create a configuration or using the one you plan to
use in production?
_______________________________________________
Pacemaker mailing list: Pacemaker@oss.clusterlabs.org
http://oss.clusterlabs.org/mailman/listinfo/pacemaker
Project Home: http://www.clusterlabs.org
Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
Bugs: http://bugs.clusterlabs.org
