Re: [Exim] SMTP Cluster - Shared Spool?

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Autor: George Schlossnagle
Data:  
Dla: Suresh Ramasubramanian
CC: Jawaid.Bazyar, bazyar, exim-users
Temat: Re: [Exim] SMTP Cluster - Shared Spool?
On Saturday, August 10, 2002, at 10:38 PM, Suresh Ramasubramanian wrote:

> (Jawaid.Bazyar@???) [Sunday, August 11, 2002 1:08 AM]:
>
>> My concern with an approach like that is that it multiplies
>> administration. If I have 3 front-end servers, I then have 3 places
>> to go to administer frozen mail, 3 efficiency reports to analyze, etc.
>
> All of which is extremely scriptable.
>
>> For me it's also not so simple, because I don't have one MX domain, I
>> have thousands. For this I'd rather let the Alteon load-balancer
>> handle failover instead of doing via MX.
>
> Fine - if you have several pointing in with an Alteon, then that's cool
>
> But sharing a spool across NFS will give you more grief than you need.
>
>> And most importantly, if one of the front-ends goes down then any
>> mail in its spool will not get processed until that server is
>> restored to operation.
>
> True. So the thing is to see that the thing doesn't go down, and have
> netsaint or something monitor it 24x7 ...


or put the spool disks on a san, or have all spool entries written to
two physical places.

>
>     -srs

>
>
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// George Schlossnagle
// Principal Consultant
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