Re: Beowulf in Bioinformatics

Guilherme Rocha <[email protected]>
Newsgroups gmane.linux.debian.devel.beowulf
Message-ID <[email protected]>

Hi all,

first of all thanks by your quick answers.  :)
Thanks a lot by all ideas.


Rogério,  sure, can I visit your cluster?  I can show you all our 
structure also.
Lets discuss it in PVT.


I feel lucky by count with help of all of you and Debian.


best regards,

Guilherme Rocha
GF7 Doc&  Systems - Soluções Tecnológicas
Home Page: http://www.gf7.com.br
Telefone: + 55 71 4062 9142
Mobile:   + 55 71 9279 0829






Em 22-06-2011 13:09, ROGERIO DE CARVALHO BASTOS escreveu:
> Hy Guilherme,
>
> I'm graduating in Computer Science at UFBA and work with a cluster at 
> Institute of Physics. Maybe we could meet and talk about your cluster.
>
> Citando Guilherme Rocha <[email protected]>:
>
>>
>> Hello all,
>>
>>
>> my name is Guilherme Rocha, Biotechnologist and a Debian user since 
>> Potato, a stupid older user that think to be an advanced user, no 
>> more than this.
>> Help sometimes to Debian l10n team to localize Debian to PT_BR.
>>
>> I'm in charge to plan and build a cluster in our lab.  Our lab is 
>> Genev - Laboratory of Genetics of Population and Molecular Evolution,
>> in the Federal University of Bahia - Brasil.
>>
>> We already have some tasks being done in a Ubuntu Dell Server 
>> Machine, but in a very slow procedure.
>> In a Dell quadcore running Ubuntu this task (PALP analysis) delay 9 
>> days to be done.
>>
>> We want to reduce this time drastically.
>>
>> So we want to listen you, gurus, about the best practices in order to 
>> do it,
>> and also, to understand if we will have a significant time reduction 
>> with our hardware, described below.
>>
>>
>>
>>    * We first need to identify what we want/need. what is the (typical)
>>      problem you want to solve?
>>
>> To use Debian Med in order to make philogenetics analysis, protein 
>> modeling, DNA alignment, genetics stuff...
>> Open Softwares like PALP, GAMGI, GARLIC, GDPC, PyMOL, Perl Primer, 
>> etc...
>>
>>    * what software do you need for that, do you need a batch scheduler
>>      or do you
>>      have very few users which work at the same place and share the
>>      cluster without technical measures?
>>
>> We'll have very few people, 10 I think. Not sure if the tasks need to 
>> be scheduled
>> to be run. We are intended to use Debian Med, (med-bio meta-package) 
>> running in
>> a small size beowulf cluster. Almost 10 to 15 nodes.
>>
>>
>>    * think about the OS (Debian is a good choice here ;))
>>
>> Yes, sure, Debian Med.  :)
>>
>>
>>    *   Think about the compute hardware, you probably need a login
>>      node, execute nodes and a file server, do you need many local
>>      cores or are the problems too large to fit into a few nodes?
>>
>> We have very obsolete hardware, our server-node will be a pentium IV 
>> 1,5GHz with 1GB RAM,
>> with work-nodes from k6-500MHz (5 unities) to pentium III 266MHz (10 
>> unities), Thin Clients ATOM 1GHz
>>
>>
>> Question:
>>
>> ThinClients with ATOM processor could be used?
>> The performance will be good enough?
>>
>>
>>
>>  Then you need to look into networking
>> (Infiniband or high performance Ethernet), is the software 
>> susceptible to
>> latency and/or bandwidth available......
>>
>>
>> We have a 10/100 Switch. We are looking to the possibility to acquire 
>> a 100/100/1000 switch.
>>
>>
>>
>> So the questions are:
>>
>>   1. With this hardware, we will have a significant time reduction on
>>      these tasks with our hardware?
>>   2. Can we use thin clients to build a cluster?
>>   3. Some "Debian beowulf Way" method to be reviewed before start?
>>   4. Another type of cluster may be better than Beowulf to do it?
>>   5. Any Idea will be very welcome
>>
>>
>> cheers and long life to Debian,
>>
>>
>> -- 
>> Guilherme Rocha
>> GF7 Doc&  Systems - Soluções Tecnológicas
>> Home Page:http://www.gf7.com.br
>> Telefone: + 55 71 4062 9142
>> Mobile:   + 55 71 9279 0829
>>
>>
>>
>>
>>
>>
>
>
>
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