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[Discuss] Redundant array of inexpensive servers: clustering?



> On Mar 31, 2014, at 10:56 PM, John Abreau <abreauj at gmail.com> wrote:
> Christoph's talk a couple weeks ago on LXC and Docker, and Federico's talk
> last year on OpenStack, look to me like the early stages of establishing
> such a taxonomy and building an infrastructure to make the common cases
> easier to develop and deploy.

Brief plug: if you want to do this at scale and for cash, send me an email.

Gordon

> Of course, some setups will still remain unique snowflakes, especially
> those involving legacy applications, But then, adding HA to a legacy
> application after the fact is a lot like adding security to an application
> after it's been developed, instead of addressing security as part of the
> application development process.
> 
> 
> 
> 
> On Mon, Mar 31, 2014 at 8:02 PM, Richard Pieri <richard.pieri at gmail.com>wrote:
> 
>> Tom Metro wrote:
>> 
>>> I think much of the reset ends up being carefully developed in-house
>>> configurations that haven't been shared back with the community.
>>> 
>> 
>> That's because a HA configuration is unique to the services and
>> applications it's wrapped around. I can share how I implemented a given HA
>> cluster in general terms but the specifics won't do you any good. You can't
>> pick up my config and drop it onto your cluster and expect it to work
>> because it won't.
>> 
>> Except when it will. That's what AWS and similar services do. But they do
>> it not with service groups and resources but with entire virtual machines.
>> Very nifty, actually, and very enticing to an organization that wants lots
>> of computing power for little money. Of course none of these are actually
>> highly available services, a little fact that gets neglected when the bean
>> counters look at costs. But, hey, you get what you pay for.
>> 
>> --
>> Rich P.
>> 
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>> 
> 
> 
> 
> -- 
> John Abreau / Executive Director, Boston Linux & Unix
> Email: abreauj at gmail.com / WWW http://www.abreau.net / PGP-Key-ID 0x920063C6
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