[Linux-HA] server belonging to 2 or more cluster

[Vitali Cristiano]

Christoph Rothe ha scritto:
> Hi Dejan,
>
> you could think about one hardware node running two Xen virtual 
> machines...
>
> Probably that makes your plans possible.
>
> Christoph
>
> Dejan Muhamedagic schrieb:
>> Hi,
>>
>> On Fri, Sep 28, 2007 at 11:50:29AM +0200, Vitali Cristiano wrote:
>>  
>>> Hello,
>>> does anyone knows if it si possible and how to add a server to 2 or 
>>> more different cluster?
>>>     
>>
>> No. All nodes in a cluster must authenticate themselves.
>> Currently, and that most probably won't change, a node has only
>> one authentication token (in authkeys).
>>
>> Thanks,
>>
>> Dejan
>>
>>  
>>> I try to explain better, i want to have 2 cluster working in 
>>> active/standby mode where the stanby server should be the same for 
>>> both cluster, is it possible to do it with heartbeat? and how?
>>> thanks
>>> Cristiano
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>>>     
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>>
>>   
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>
It's a pity it's not possible to use the solution i wanted to apply i 
think it could be very useful in many situation, and could let save even 
more money 'caus ei think one server could be easily used as a backup of 
2 (or more) different one.
So i would suggest to the team developing Heartbeat at least to consider 
this possibility for future development.
About solution with virtual machine i will try if drbd will work also 
over virtual machine and if it will maybe i will adopt it.
Thanks
Cristiano