[Linux-ha-dev] OCF RA for rsync daemon Active-Passive setup

[Lars Marowsky-Bree]

On 2006-10-27T08:39:52, Oza Dhairesh <odhairesh at novell.com> wrote:

Hi Oza,

>    Lars, David, Thomas thanks a lot for the comments. I was under the
> naive impression that only 1 instance of rsync daemon can be started!
> Lars' comment on other users being able to start it if port is greater
> that 1024 made me see my error.

Not just that, but you could run several on the same port but bound to
different IPs as well.

> If the PID file is mentioned in the config file, I can pick it up from
> there. But what should I do in case it is not mentioned?
> a) edit the conf file in the RA script to add an entry (In which case,
> on stopping I have to remove this line also)
> b) don't edit the conf file, but create a pid file in the script, like
> I did here, but the pid file can be unique by using
> $OCF_RESOURCE_INSTANCE. (as Lars mentioned this is likely to break)
> c) refuse to start and print an error stating that PID file entry is
> mandatory for the RA to work. (also check this in validate-all) 
> 
> Any suggestions on this?

I think a) or c) is the best option. I don't really have a strong
opinion on either. c) is less work for you ;-)

> Here I should check if these values are set, and if they aren't
> correct, then it should return error no? So this it should be:

Right. I was wrong on this one and misparsed. Sorry about that.


Sincerely,
    Lars Marowsky-Brée

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High Availability & Clustering
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