User`s manual

Biostar T-Series TForce4 SLI
Us e r’s M anual
15
Chapter 4: NVIDIA RAID Functions
4.1 OPERATION SYSTEM
Supports Windows XP Home/Professional Edition, and Windows 2000
Professional.
4.2 RAID ARRAYS
NVRAID supports the following types of RAID arrays:
RAID 0: RAID 0 defines a disk striping scheme that improves disk read and write times for
many applications.
RAID 1: RAID 1 d efin es techn iques fo r mirro ring data.
RAID 0+1: RAID 0+1 co mbines the techniques used in RAID 0 and RAID 1.
Spanning (JBOD): JBOD provides a method for combining drives of different sizes in to one
large disk.
4.3 HOW RAID WORKS
RAID 0:
The controller “stripes” data across multiple drives in a RAID 0 array system. It breaks up a
large file into smaller blocks and performs disk reads and writes across multiple drives in
parallel. The size of each block is determined by the stripe size p arameter, which you set
during the creation of the RAID set based on the system environment. This technique reduces
overall disk access time and offers high bandwid th .
Features and Benefits
 Drives: Minimum 1, and maximum is up to 6 or 8. Depending on the platform.
 Uses: Intended for non-critical data requiring high data throughput, or any
environment that does not require fault tolerance.
 Benefits: pro vides increased data throughput, especially for large files. No
capacity loss penalty for parity.
 Drawbacks: Does not deliver any fault tolerance. If any drive in the array fails,
all data is lost.
 Fault Tolerance: No.
Bloc k 1
Block 3
Block 5
Block 2
Block 4
Block 6