[Pacemaker] Spreading the Cluster Accross Datacenters

Andrew Beekhof andrew at beekhof.net
Tue Jun 9 06:36:05 UTC 2009


2009/6/9 Димитър Бойн <DBOYN at postpath.com>:
> Thank you very much, Andrew!
>
> I am in stand by for the NOC to enable multicast between my subnets.
> Two question though:
> 1. Compatibility with PIM-SM RFC 2362 and IGMP Version 2 RFC 2236 ?

I'm not familiar with those two

> 2. Are there some tested threshold levels?

Basically no.  In particular, the last two items depend on your
application and how much risk you're prepared to accept.

> - low latency - not greater than ?
> - high throughput - not lesser than?
> - high reliability - how do we measure? :)
>
> ./Dimitar
>
> -----Original Message-----
> From: Andrew Beekhof [mailto:andrew at beekhof.net]
> Sent: Monday, June 08, 2009 2:54 PM
> To: pacemaker at clusterlabs.org
> Cc: pacemaker at clusterlabs.org
> Subject: Re: [Pacemaker] Spreading the Cluster Accross Datacenters
>
> Pacemaker itself doesn't care.
> What you need to worry about is the requirements of the underlying
> cluster stack.
>
> Generally this involves low latency, high throughput and high reliability.
> If you have all three, you should be fine.
>
> 2009/6/8 Димитър Бойн <DBOYN at postpath.com>:
>> Hi,
>>
>> Has anybody done a pacemaker/openais deployment spreading the nodes between
>> two or more different subnets?
>>
>> I would really appreciate any reference of what does pacemaker need to
>> connect the nodes...
>>
>>
>>
>> Thanks, as always!
>>
>>
>>
>> Boyn, Dimitar G.
>> Technical Marketing Engineer
>> dboyn at postpath.com
>> 3979 Freedom Circle,
>> Santa Clara, CA 95054
>> ICQ# 57-539-824
>> IM: Y! niobd
>>
>>
>>
>>
>>
>>
>>
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>>
>>
>
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