RAID level 3
Striping with dedicated parity drive
RAID level 3 provides redundancy by writing all data to three or more drives. This RAID level 3 disk array provides excellent storage for video imaging, streaming, publishing applications or any system that requires large file block transfers.
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Advantages
Single dedicated parity disk
High read data rate
High write data rate 4 drives minimum
No performance degradation if drive fails
Best and worst case performance similar
Disadvantages
In-efficient with small file transfer
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Application
Ideal for video streaming/processing that process large blocks and files sequentially.
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