[Pacemaker] Reloading a resource after a failover

Serge Dubrouski sergeyfd at gmail.com
Thu Sep 29 15:24:19 UTC 2011


Here:
https://github.com/ClusterLabs/resource-agents/blob/master/heartbeat/named

Let me know how it works for you.
On Sep 29, 2011 8:25 AM, "Max Williams" <Max.Williams at betfair.com> wrote:
> Yes I was using the LSB RA. Can you give me a link to the OCF RA on
github?
> Thanks,
> Max
>
> From: Serge Dubrouski [mailto:sergeyfd at gmail.com]
> Sent: 29 September 2011 13:19
> To: The Pacemaker cluster resource manager
> Subject: Re: [Pacemaker] Reloading a resource after a failover
>
> What kind of RA you do you use? LSB one doesn't support reload, OCF -
does. You need to get OCF RA from github,.
> On Thu, Sep 29, 2011 at 3:04 AM, Max Williams <Max.Williams at betfair.com
<mailto:Max.Williams at betfair.com>> wrote:
> Yes this is what I would like to do. Ideally have named as a clone and
then have an order like this:
> crm(live)configure# order named-service-clone-after-Cluster_IP inf:
Cluster_IP:start Named_Service:reload
> But it gives this error:
> ERROR: bad resource action/instance definition: Named_Service:reload
>
> Is there a way to achieve this?
> Can I edit an RA file so that it takes reload as a action? If so, which
file?
> Or configure pacemaker to run an external command when a resource fails
over or moves?
>
> Many thanks,
> Max
>
> From: Serge Dubrouski [mailto:sergeyfd at gmail.com<mailto:sergeyfd at gmail.com
>]
> Sent: 28 September 2011 18:17
> To: The Pacemaker cluster resource manager
> Subject: Re: [Pacemaker] Reloading a resource after a failover
>
>
> Put bind itself under pacemaker control. You can use LSB RA or OCF RA that
I recently created.
> On Sep 28, 2011 10:46 AM, "Max Williams" <Max.Williams at betfair.com<mailto:
Max.Williams at betfair.com>> wrote:
>> Hi,
>> I have a pair of clustered DNS servers with a virtual IP (VIP)
configured. The problem is that when the VIP fails over, named on the new
host of the VIP will not listen on port 53/UDP of the VIP until it is
reloaded (I think this is because this daemon uses UDP, not TCP).
>>
>> So I'd like to be able to reload named after a failover of the VIP
address. Is this possible?
>>
>> I could do it by configuring named as a cloned resource and then
configuring an order so that it is restarted when the VIP fails over or
moves but I would much rather have named reload instead of restart.
>>
>> Any ideas? I'd rather not have to resort to a wrapper script or anything
like that.
>>
>> Thanks,
>> Max
>>
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>> Bugs:
http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
> ________________________________________________________________________
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> ________________________________________________________________________
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> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs:
http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>
>
>
> --
> Serge Dubrouski.
>
> ________________________________________________________________________
> In order to protect our email recipients, Betfair Group use SkyScan from
> MessageLabs to scan all Incoming and Outgoing mail for viruses.
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> ________________________________________________________________________
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