Raid Level 3 - easyRAID F8P U3TT User Manual

R R A A I I D D L L e e v v e e l l 3 3 : :
" " P P a a r r a a l l l l e e l l T T r r a a n n s s f f e e r r D D i i s s k k s s w w i i t t h h P P a a r r i i t t y y " "
H H i i g g h h D D a a t t a a R R e e l l i i a a b b i i l l i i t t y y & & H H i i g g h h e e s s t t T T r r a a n n s s f f e e r r C C a a p p a a c c i i t t y y
RAID Level 3 technology use a dedicated parity disk to store
redundant information about the data on several data disks. RAID
Level 3 is an excellent choice for applications which require single
stream I/O with a high data transfer rate.
RAID Level 3 is optimal for applications in which large block of
sequential data must be transferred quickly, these applications are
usually of one of these types :
They operate on large data objects such as graphical image
processing, CAD/CAM files, and others.
They are non-interactive applications that process large data
sequentially.
They usually request a large amount of data (32KBytes or more)
with each I/O request.
The distinctive performance characteristics of RAID Level 3 :
RAID Level 3 provides excellent performance for data
transfer-intensive applications.
RAID level 3 is not well suited for transaction processing or
other I/O request-intensive applications.
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Introduction