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---------- Forwarded message ----------
From: Dan Frincu <df.clus...@gmail.com>
Date: Mon, Feb 6, 2012 at 10:16 PM
Subject: Re: [Linux-HA] cluster hangs on maintenance-mode=false after
updates on Ubuntu Lucid
To: Walter Feddern <wfedd...@rogers.com>


Hi,

On Mon, Feb 6, 2012 at 10:09 PM, Walter Feddern <wfedd...@rogers.com> wrote:
> On Mon, Feb 6, 2012 at 9:48 PM, Dan Frincu <df.cluster at gmail.com
>> wrote:
>> Hi,
>>
>> On Mon, Feb 6, 2012 at 9:27 PM, Walter Feddern <wfeddern at rogers.com>
>> wrote:
>>> We are running Ubuntu 10.04 (lucid). I am trying to upgrade from the base
>>> version of corosync and pacemaker, to the most recent available via
>>> https://launchpad.net/~ubuntu-ha-maintainers/+archive/ppa
>>>
>>> This is a test cluster, but I am trying to determine the best way to
>>> update without interrupting the running resources. Here is the commands I am
>>> using (on each node, with the exception of the first and last commands):
>>>
>>> crm configure property maintenance-mode=true
>>> apt-get install python-software-properties
>>>
>>> add-apt-repository ppa:ubuntu-ha-maintainers\/ppa
>> Second command. ^^
>>> apt-get update
>> Third ^^
>>> /etc/init.d/corosync stop
>> Fourth ^^
>>> apt-get install corosync pacemaker
>> Fifth ^^
>>> crm configure property maintenance-mode=false
>> This ^^ is the first command you need to run.
>>
>>Jumped ahead a bit, this needs to be set to true (e.g. you put the
>>cluster in maintenance first, then upgrade corosync and pacemaker)..
>>
>>
>> Afterwards you start corosync, check with ptest if the resources are
>> fine, and then remove the maintenance-mode.
>>
>>e.g.: crm configure property maintenance-mode=false
>
>
>
> Not quite following what you are saying. at the start I run:
>
> crm configure property maintenance-mode=true
>
> which puts the cluster in maintenance mode while I do the updates. At this
> point resources show as (unmanaged)
>
> after the update procedure completes (the update starts corosync again), and
> all cluster nodes show online, and the resources show as started and in
> (unmanaged) mode,  I run:
>
> crm configure property maintenance-mode=false
>
> to try to take it out of maintenance mode and start monitoring the resources
> again, but the command hangs and never completes.

Yeah, you're probably hitting a known bug at this point. See
http://www.mail-archive.com/pacemaker@oss.clusterlabs.org/msg11072.html

>



--
Dan Frincu
CCNA, RHCE


-- 
Dan Frincu
CCNA, RHCE
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