Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 579)

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Vess R2000 Series Product Manual Promise Technologies
raid l
eVels
RAID (Redundant Array of Independent Disks) allows multiple physical drives to be combined
together in a disk array. Then all or a portion of the disk array is formed into a logical drive. The
operating system sees the logical drive as a single storage device, and treats it as such.
RAID 0 – S
tRIPe
When a logical drive is striped, the read and write blocks of data are interleaved between the sectors of multiple
physical drives. Performance is increased, since the workload is balanced between drives or “members” that form
the logical drive. Identical drives are recommended for performance as well as data storage efficiency.
RAID 0 Striping interleaves data across multiple drives
Physical Drives
Data Stripe