Sony VGX-XL1 - Manual (Page 138)

VGX-XL1 Digital Living System 135
What are the characteristics of each level?
Level Plus Minus How Used
0 Great I/O
performance; all
storage
capacity can be
used; easy to
implement. Not fault toler-
ant; if one drive
fails, all data is
lost. Video Production
Image Editing
Pre Press
1 Redundancy of
data - 100%; no
data rebuild
required in disk
failure. High disk over-
head; may not
support hot
swap of failed
disk. Accounting
Payroll
App’s requiring
high availability of
data.
5 High Read data
transfer rate;
Low ratio of
parity disc =
high efficiency. Complex control-
ler design; diffi-
cult to rebuild in
case of disc fail-
ure. Various servers;
most versatile
RAID level.
10 Excellent fault
tolerance; high
I/O rates; req.
large amounts
of storage. Limited
scalability; high
overhead; very
expensive. Database server
requiring high per-
formance and fault
tolerance.
App D RAID.fm Page 135 Monday, November 14, 2005 1:52 PM