[GE users] HPC Consortium '07 Presentations now Online

Jean-Christophe Ducom jcducom at gmail.com
Wed Dec 5 17:32:17 GMT 2007


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Dan-
Sounds great indeed. However what will happen if we have an 
Kerberos(/AFS) infrastructure? With rsh/ssh mechanism the 
tickets(/tokens) are forwarded to the nodes. Will the new mechanism do that?
Thanks
JC


Daniel Templeton wrote:
> In 6.2, coming middle of next calendar year, the mechanism for launching 
> interactive jobs has been rewritten.  With 6.1 and previous, an 
> interactive job is started by submitting an rshd as a job and then 
> forking an rsh to connect to it.  (Or rlogin or telnet or ssh.)  With 
> 6.2, starting an interactive job means that the shepherd will fork a 
> shell with a PTY and connect back to the qrsh client, no rsh/rshd 
> involved.  (With Grid Engine, the slave tasks for a parallel job are 
> started via the interactive job mechanism.)
> 
> There are several important benefits to the new mechanism.  First, no 
> more rlogin port limits.  Second, SGE certificate-based security will 
> actually encrypt the communication streams of interactive jobs.  Third, 
> no more worries about whether your rlogin/rsh/ssh binaries are "tightly 
> integrated" with Grid Engine.  Fourth, you actually get a PTY.  Etc, 
> etc, etc.  :)
> 
> Daniel
> 
> Alexandre Racine wrote:
>> In the presentation Sun Grid Engine for TACC, I see "Internalized 
>> remote execution for fast start-up of parallel jobs - Replaces 
>> off-handing to rsh/ssh". (page 7)
>>
>> What does it mean? Does this mean we wont have those authentications 
>> issues anymore in the future or this is available now?
>>
>>
>> Alexandre Racine
>> Projets spéciaux
>> 514-461-1300 poste 3304
>> alexandre.racine at mhicc.org
>>
>>
>>
>> -----Original Message-----
>> From: Rayson Ho [mailto:rayrayson at gmail.com]
>> Sent: Wed 2007-11-28 11:20
>> To: users at gridengine.sunsource.net
>> Subject: [GE users] HPC Consortium '07 Presentations now Online
>>  
>> Fritz's presentation "Highly Scalable and Dynamic Grids" talks about
>> SGE 6.2. Other interesting presentations:
>>
>> - AMD/Intel multcore
>> - ROCKS and ROCKS on Solaris
>> - GPGPU
>> - Voltaire
>> - Mellanox/IB
>> - Totalview
>> - and many others...
>>
>> - the Lustre & ZFS integration presentation was taken offline, but I
>> summarized the interesting part at:
>> http://www.opensolaris.org/jive/thread.jspa?threadID=45487
>>
>> URL for the presentations:
>> https://events-at-sun.com/hpcreno/presentations.html
>>
>> Rayson
>>
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