[Beowulf] network filesystem
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Mark Hahn hahn at mcmaster.caSun Mar 4 09:38:26 PST 2007
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>> In my humble opinion, I think you can start with NFS (but using at least
>> NFSv4)
>
> How stable/usable is the Linux NFSv4 implementation these days ?
why V4?
- security. within a cluster, I don't see the point to, say, kerberos.
- compound rpcs. probably provides somewhat better efficiency.
- open/close, byte-range locking. I don't see much demand.
- client caching/delegation/leases - could be valuable for efficiency.
I find that nfsv3 works fine for moderate IO on O(100) clients.
I would be very interested to know whether others have observed
performance benefits for v4, and whether it's an easy upgrade,
such as no new/onerous security framework ('framework' is always
a danger sign for me ;)
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