[Beowulf] diskless cluster questions

Steve Crusan scrusan at ur.rochester.edu
Wed Jul 7 11:15:46 EDT 2010


> then once you power them off if im not mistaken any data is sent back to the
master for storage

You should lose all of your changes if your OS is kept in RAM once you power
off the node, reboot it, etc.


On 7/7/10 10:33 AM, "Jonathan Aquilina" <eagles051387 at gmail.com> wrote:

> 
> its actually easier if you use one os you know how to work with that way. the
> os doesnt need to be unique for each node, but  you want the slave nodes to
> have as much ram as possible. also you will need to use pxe to boot off the
> master node as well as tftp to transfer the information from master to slaves.
> when goign diskless all information on slaves is stored in ram. then once you
> power them off if im not mistaken any data is sent back to the master for
> storage
>  
>> For instance, network configuration and hostfiles need to be specified
>> somewhere, but if all nodes boot the same root, then where is this
>> information stored?
>> 
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----------------------
Steve Crusan
System Administrator
Center for Research Computing
University of Rochester
https://www.crc.rochester.edu/


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