Sony VAIO VGX-XL1 User Manual page 138

What are the characteristics of each level?
Level
0
1
5
10
VGX-XL1 Digital Living System
Plus
Great I/O Not fault toler-
performance; all ant; if one drive
storage fails, all data is
capacity can be lost.
used; easy to
implement.
Redundancy of High disk over-
data - 100%; no head; may not
data rebuild support hot
required in disk swap of failed
failure. disk.
High Read data Complex control-
ler design; diffi-
transfer rate;
Low ratio of cult to rebuild in
parity disc = case of disc fail-
high efficiency. ure.
Excellent fault Limited
tolerance; high scalability; high
I/O rates; req. overhead; very
large amounts expensive.
of storage.
Minus How Used
Video Production
Image Editing
Pre Press
Accounting
Payroll
App's requiring
high availability of
data.
Various servers;
most versatile
RAID level.
Database server
requiring high per-
formance and fault
tolerance.
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