> Try to avoid NFS at all costs. (disclaimer, i'm pretty much just > retyping what i've seen yesterday on the beowulf mailing list) NFS > works well in a workstation environment where a user does some IO but > is generally idle a lot of the day. NFS in a beowulf is not so good > a choice because it's slow (especially without the 2.4 NFS backport) > and has cache consistency problems. Bootup will suck, since 15 nodes > are going to try to access the NFS server at once. (not that it can't > handle it, but serving 15 root partitions takes time: time you could > use doing computations)
When you've got a cluster that has to be wheeled into and out of classified rooms, it's much more simplistic to have only 1 hdd to control, rather than n+1 harddrives. ;-) ~Warren
