The pNFS protocol doesn't preclude varying meta-data server designs
and their various locking strategies.
As an example, there has been work going on at University of Michigan/
CITI
to extend the Linux/NFSv4 implementation to allow for a pNFS server on
top of the Polyserve solution.
Spencer
On Mar 5, 2007, at 2:37 PM, Rayson Ho wrote:
I read this paper on Sunday. Seems interesting:
The Architecture of PolyServe Matrix Server: Implementing a Symmetric
Cluster File System
http://www.polyserve.com/requestinfo_formq1.php?pdf=2
What interested me the most is that the metadata and lock are spread
across all the nodes. I read the "Parallel NFS (pNFS)" presentation,
and seems like pNFS still has the metadata on one server... (Lisa,
correct me if I am wrong).
http://opensolaris.org/os/community/os_user_groups/frosug/pNFS/
FROSUG-pNFS.pdf
Rayson
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