What's the best possible email failover solution

[Chad Leigh -- Shire.Net LLC]

On Jun 22, 2004, at 12:57 AM, Chad Leigh -- Shire.Net LLC wrote:

>
> On Jun 21, 2004, at 3:25 PM, Bill Moran wrote:
>
>>
>>> You'd be much better off with some sort of NAS in a raid
>>> config, even if it were home grown, to store the spools.
>>
>> We already have a "home-grown NAS" (just a FreeBSD box with Vinum 
>> RAID) but
>> it doesn't protect me if the machine with the drives has a power 
>> supply or a
>> mobo or a CPU go south.  I don't know if a NAS is any more reliable 
>> than a
>> PC, but it's still a single point of failure.
>
> Yes, but your scenario of losing all the mail before the backup if 
> something goes poof is covered.  In other words, if a CPU or a MB goes 
> poof, you do not lose your mail stores.  Your RAID disk protects you 
> against that.  Your mail may not be accessible while you replace a MB 
> or CPU or PS (get redundant PS), but you do not lose it, which is the 
> failure you wanted to protect against.

And keep an extra MB, CPU, PS, etc around so you can swap them out if 
necessary without lots of downtime...

Chad