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Brady Catherman wrote: |
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| My experience with NFS mounted roots is that they can bombard your |
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| network with packets. A simple little script can manage to generate |
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| enough traffic to actually slow down other services just by hitting |
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| tons of services. Plus if you have spoolers and such you end up |
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| generating a ton of traffic or memory. The advantage to a local install |
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| is that you can cut down on the network traffic drastically. Granted, |
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| if your applications are all embarrassingly parallel and don't do a ton |
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| of disk IO then NFS root works great.. Many of the applications we use |
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| here would utterly destroy the network if run from a NFS mounted root.. |
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| The advantage of rebuilding is consistency without the disadvantage of |
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| NFS roots. |
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That's why you should have a separate 100Mb network for NFS traffic and |
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other crap like that, then have a 1Gb network for your actual |
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calculations, MPI traffic, etc. |
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