[Linux-HA] active/passive and SAN

[Fabrice Grelaud]

Robert Wipfel a e'crit:
>>>> On Wed, Jun 27, 2007 at  9:51 AM, in message
>>>>         
> <20070627155108.GA28857 at bork.homenet>, Dejan Muhamedagic <dejanmm at fastmail.fm>
> wrote: 
>   
>> On Wed, Jun 27, 2007 at 12:37:37PM +0200, FG wrote:
>>     
>>> Hi all,
>>>       
>
> [...]
>
>   
>> Yes, you should use STONITH.
>>
>>     
>>> Or perhaps somebody knows that a  SAN DS4000 can 
>>> give access to the
>>> logical drive for the second server and block the 
>>> access to the first one ?
>>>       
>> It is probably possible in case you have a fc switch, but
>> heartbeat doesn't support dynamic fc reconfiguration.
>>     
indeed, we use fc switch and i'm going to investigate this.
Like a stonith structure, i can imagine the same operation... The backup 
server must be able to discuss with the fc switch and disconnect the two 
fc of the first server before to mount the filesystem on the second.
>
> www.eclipse.org/aperi does, for the DS4000 too....
>   
i will see that too...
>   
>>> If someone have experience with heartbeat and IBM 
>>> SAN in an
>>> active/passive configuration, i'm interested...
>>>       
>
> Hth,
> Robert
>
>
>
>   
Thanks for your answers.

Fabrice