Toshiba Magnia Z500 - Manual (Page 18)

Setup
Setup Wizard
15
Simplified RAID Configuration Setup
If you have selected the Simplified Setup option on the RAID
Configuration screen, the Simplified RAID Configuration Setup
screen appears.
Simplified RAID Configuration Setup screen
RAID0 (One or more HDDs is required.)
Multiple HDDs are grouped and constructed as one unique
logical device.
Data is recorded in a dispersed manner and the write and read
performance of the HDDs is high .
RAID1 (Two HDDs are required.)
The HDDs are mirrored images of each other. The same data is
always written to both HDDs. Therefore, if one HDD is damaged,
the operation can be continued by the other HDD.
RAID5 (Three or more HDDs are required)
Multiple HDDs are grouped and constructed as a single logical
device. Data and parity are recorded in the grouped HDDs in a
dispersed manner. If one HDD is damaged, the operation can be
continued by the other HDDs.