Looking for speakers on High Performance Computing at GTALUG

[Madison Kelly]

Lennart Sorensen wrote:
> On Mon, Jan 25, 2010 at 04:52:38PM -0500, Madison Kelly wrote:
>> Lennart Sorensen wrote:
>>> On Mon, Jan 25, 2010 at 04:28:52PM -0500, Myles Braithwaite wrote:
>>>> On Mon, Jan 25, 2010 at 4:26 PM, Lennart Sorensen
>>>> <lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org> wrote:
>>>>> Please tell me you meant s/Distrusted/Distributed/g.
>>>> *Blow face in shame* Yes.. Would you like to do the talk on
>>>> Distributed Programming?
>>> I wouldn't consider myself qualified for it.  I know in involves openMPI
>>> and such, but I haven't done any.  I do love those systems though.
>>>
>>> I am still wondering what a distrusted filesystem would be like.  Does the
>>> application have to assume the filesystem can't be trusted and add all
>>> sorts of redundancy, error correction and checksums itself?
>> It depends on how many systems and of what kind are accessing the shared  
>> drive. The simplest is DRBD which can be thought of as RAID 1 over  
>> ethernet. It handles locking at the (virtual) block layer. Once setup,  
>> it can be used as a normal block device with the main requirement being  
>> that the FS is journaled. Ideally, you'd use something like LVM in  
>> cluster aware mode if you want to run in Master/Master.
>>
>> It really depends on how you want to approach it and what you are trying  
>> to accomplish.
> 
> Read the message again _carefully_.  Note the spelling.
> 
> I know how distributed filesystems work.  It's those distrusted
> filesystems mentioned originally I was pondering.
> 

Lol!

I is tired.

Madi
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