"ZFS is the filesystem Sun Microsystems began shipping in
November with its operating systems to provide data management and
protection from the loss of data due to file corruption.
"After five years of development and testing, Sun says ZFS and
the new data replication model it includes, RAID-Z, can eliminate
the need for additional expensive hardware. RAID-Z is a new take on
the RAID systems that many system administrators employ promote
data integrity. Sun believes the ZFS filesystem with RAID-Z offers
'virtually unlimited capacity, provable data integrity, and
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