Toshiba Magnia 560S User Manual
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RAID Overview
12
Introduction to RAID
Fault Tolerance
Fault tolerance is achieved through cooling fans, power supplies, and the ability to hot
swap drives. RAID Controller Kit-G provides hot swapping through the hot spare
feature. A hot spare drive is an unused online available drive that RAID Controller
Kit-G instantly plugs into the system when an active drive fails.
After the hot spare is automatically moved into the RAID subsystem, the failed drive is
automatically rebuilt. The RAID disk array continues to handle request while the
rebuild occurs.
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