[Beowulf] shared memory versus MPI and bootless boot

[pauln]

I think the gzip'ed image is about 24MB and you don't have to access 
/dev over nfs.
paul

Mark Hahn wrote:

>>>if your ram disk or local storage is 128MB, over a 2Mbps connect, i make
>>>it 8 mins, nearer 9 to load which is... urm slow.
>>>
>>>again this for a 100Mbps hub you would get 10.24 seconds per node.
>>>      
>>>
>>Ah thanks for noticing this, hadn't realized this timing problem yet!
>>    
>>
>
>well, 128M of traffic to boot is pretty extreme.  I haven't tcpdumped it,
>but it looks like around 2-4MB is all that's needed using the NFS-root approach.
>
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