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Heartbeat question about multiple services

 

 

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sgm277 at yahoo

Apr 20, 2012, 3:42 AM

Post #1 of 4 (378 views)
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Heartbeat question about multiple services

Hi,
I have a question about heartbeat, if I have three services, apache, mysql and sendmail,if apache is down, heartbeat will switch all the services to the standby server, right?
If so, how to configure heartbeat to avoid this happen?
Very Appreciated.gm
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michalko.system at a-i-p

May 9, 2012, 4:58 AM

Post #2 of 4 (364 views)
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Re: Heartbeat question about multiple services [In reply to]

Am Freitag, 20. April 2012 12:42:16 schrieb sgm:
> Hi,
> I have a question about heartbeat, if I have three services, apache, mysql
> and sendmail,if apache is down, heartbeat will switch all the services to
> the standby server, right?
It's depending on configuration - also possible ...

> If so, how to configure heartbeat to avoid this
> happen?

You can configure your 2 services (mysql and sendmail for example ) with
colocations & constraints, or as a group - there are many possibilities.
Did you already RTFM (read the f... manuals)?


> Very Appreciated.gm
> _______________________________________________
> Linux-HA mailing list
> Linux-HA [at] lists
> http://lists.linux-ha.org/mailman/listinfo/linux-ha
> See also: http://linux-ha.org/ReportingProblems
>

HTH

Nikita Michalko
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rasca at miamammausalinux

May 9, 2012, 5:24 AM

Post #3 of 4 (368 views)
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Re: Heartbeat question about multiple services [In reply to]

Il giorno Ven 20 Apr 2012 12:42:16 CEST, sgm ha scritto:
> Hi,
> I have a question about heartbeat, if I have three services, apache, mysql and sendmail,if apache is down, heartbeat will switch all the services to the standby server, right?
> If so, how to configure heartbeat to avoid this happen?
> Very Appreciated.gm

You may want to start from here:
http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Clusters_from_Scratch/

--
RaSca
Mia Mamma Usa Linux: Niente è impossibile da capire, se lo spieghi bene!
rasca [at] miamammausalinux
http://www.miamammausalinux.org
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dgersic at niu

May 9, 2012, 7:32 AM

Post #4 of 4 (364 views)
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Re: Heartbeat question about multiple services [In reply to]

>>> On 4/20/2012 at 05:42 AM, sgm <sgm277 [at] yahoo> wrote:
> Hi,
> I have a question about heartbeat, if I have three services, apache, mysql
> and sendmail,if apache is down, heartbeat will switch all the services to the
> standby server, right?

Maybe. It depends on how you have built and configured your cluster.



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