Re: [vserver] Heartbeat IP Failover

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Fri 26 Nov 2010 - 10:23:05 GMT
Message-ID: <20101126102305.GO22394@MAIL.13thfloor.at>

On Fri, Nov 26, 2010 at 11:13:33AM +0100, Ghislain wrote:
> hi,

> http://linux-vserver.org/util-vserver:Cheatsheet#How_to_add_an_IP_address_to_a_live_guest_.3F

> i have not checked but i wonder if you add an ip if servers inside
> the guest (apache/sendmail etc) will see it without a restart.
> Therefor a script that add the ip to the vserver config and restart
> it seems the "no brain" solution.

even better, you can assign all IPs to a guest, even those
which are not available yet (i.e. become available after a
failover), and services will magically pick them up once
the IP becomes available on the host.

alternatively, if you do not use single ip special casing
most services (those binding to 0.0.0.0) will pick up 'new'
IP addresses without restart once they are assigned to the
guest ...

best,
Herbert

> --
>
> Cordialement,
> Ghislain ADNET.
> AQUEOS.
>
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>
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Received on Fri Nov 26 10:23:45 2010

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