[AusNOG] Back of envelope II

[Darren Moss]

G'Day,

Why don't you take a different angle to storage (and database) and replicate to alternate locations ?

Then you can have a primary and failover system (could also form part of DR plan).

Cheers.


Regards, 
 
 
Darren Moss
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-----Original Message-----
From: ausnog-bounces at lists.ausnog.net [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of David Hughes
Sent: Friday, 6 March 2009 3:09 PM
To: ausnog at ausnog.net
Subject: Re: [AusNOG] Back of envelope II


On 06/03/2009, at 12:34 PM, Skeeve Stevens wrote:

> The ONLY solid way that I know to do good server redundancy is with  
> Virtual Platforms that support SAN, Fibre Channel/iSCSI with diverse  
> heads.

And then your SAN storage goes flop and things look bad all over.  And  
anyone familiar with the QA of IBM storage controller firmware will  
know the feeling.

So, add into that a SAN virtualisation layer, like IBM SVC so that you  
have the same data on multiple SANs

And then add in a second datacentre for "real" redundancy.  Naturally,  
you''ll need layer 2 ethernet and fibre channel between those sites.

Then clone yourself so multiple people have exactly the same skill  
set  ;-)


I guess everyone has to pick their point in the "price vs return" curve.


David
...
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