[Linux-HA] advice on configuration

[Alan Robertson]

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George H wrote:
> On 1/12/07, vini.bill at gmail.com <vini.bill at gmail.com> wrote:
>> I also think the documentation is the weak point of the project, but I
>> managed to setup my cluster only reading it. I reorganized the docs so
>> as to
>> make the maintenance guys over here ( I work at a TV Channel like CNN )
>> understand how to configure it and keep it running.
>>
>> I'll try to make a preliminary translation of the docs I've been
>> developing
>> here this weekend.
> 
> Hmm maybe you can take some suggestions from me. There are somethings
> not mentioned in the docs that I had to figure out myself. Such as the
> services to start in the haresources file. I had to make many symbolic
> links from the Heartbeat's resource.d/  dir
> to my gentoo /etc/init.d/  dir.  Stuff like a sym link to the apache2
> or courier-imapd scripts.

There is no reason at all to do that.  Heartbeat supports 4 kinds of
resource agents:
	OCF (preferred)
	heartbeat1 (obsolescent)
	LSB (/etc/init.d)

This is discussed extensively on the web site, and in my tutorial in the
HeartbeatTutorials directory.


> Heartbeat 2.0.7 came with apache 1 start up script but not apache2.

It starts apache2 for me.

> There are tons of others like ldirectord even.
> 
> Another thing, if you are like me and have postfix installed as the
> mailserver, the MailTo script that comes with heartbeat won't work. I
> googled my butt off to see if anyone had the same problem but no luck.
> I had to edit it like so for it to work:
> 
> cd /usr/lib/ocf/resource.d/heartbeat
> vi MailTo
> ----
> MailProgram() {
>     echo -e
> "Subject:$1<nFrom:Heartbeat<heartbeat at mycluster.net>\nTo:$email"
> | sendmail root at mycluster.net
>      return $?

I use postfix.  It works for me.

- --
    Alan Robertson <alanr at unix.sh>

"Openness is the foundation and preservative of friendship...  Let me
claim from you at all times your undisguised opinions." - William
Wilberforce
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