[f-nsp] ServerIron: direct requests to alternate server if all real servers are down.

[Scott T. Cameron]

There's a lot of variables involved with that question.  Depends on how the
server is going down (loss of power, health check, etc).  Because there are
so many different reasons it could take a large amount of time to come back
online, any suggestions are bad guesses.

Things to keep in mind:

- you may have no-fast-bringup globally or on a specific port
- your health check may be waiting on something else to bring up the port
- you may have sticky persistence

etc.

Scott

On Tue, Apr 19, 2011 at 8:01 AM, Drew Weaver <drew.weaver at thenap.com> wrote:

> Hi Scott,
>
>
>
> Thank you for that tip that got me where I needed to be.
>
>
>
> My last question is it seems to take rather a long time (3-4 minutes) for
> it to switch back to the main servers after they come back up.
>
>
>
> Is there some way to make that faster?
>
>
>
> thanks,
>
> -Drew
>
>
>
>
>
> *From:* Scott T. Cameron [mailto:routehero at gmail.com]
> *Sent:* Monday, April 18, 2011 8:38 PM
> *To:* Drew Weaver
> *Cc:* foundry-nsp at puck.nether.net
> *Subject:* Re: [f-nsp] ServerIron: direct requests to alternate server if
> all real servers are down.
>
>
>
> backup is correct.
>
>
>
> You need to add 'port # lb-pri-servers' on the vserver.
>
>
>
> Scott
>
> On Mon, Apr 18, 2011 at 8:19 PM, Drew Weaver <drew.weaver at thenap.com>
> wrote:
>
> Hi,
>
> How can you make a serveriron XL send requests to a different server only
> if the primary server(s) fail healthchecks?
>
> I tried setting the secondary server as a backup server but the load
> balancer was balancing traffic between the primary servers and the 'Backup
> server' I only want requests to be sent to the backup server in the event
> the other real servers are offline.
>
> Thanks,
> -Drew
>
>
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>
>
>
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