[PVFS2-users] PVFS2

[Dang Thao]

Hi!
- One of the disadvantages of PVFS1 is: no fault tolerance, no security. Are they improved in PVFS2? and by how?

- I assume that a file block resided in a certain cache at a certain compute node .If other compute nodes also request that block, do they have to communicate dirrectly with I/O node which is storing that block to achieve it? 
 
Thank you very much!
Dang Thao

		
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