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HAMMER's Final Goal
FS OP (READ)
CCMS
QUORUM
ACQUIRE
TID
GET BULK
DATA
FS OP (WRITE)
CCMS
QUORUM
ACQUIRE
TID
QUORUM
COMMIT
M
M
M
M
M
S
S
S
S
S
Bulk synchronization can be handled by existing
mirroring protocols.
HAMMER transaction id (TID) is the data tag.
All quorum protocol features are supportable.
Rules can be loosened depending on application.
Cache Coherency protocols will be very complex.
VFS Quorum protocols will be very complex.