![background image](http://html.mh-extra.com/html/promise-technology/pegasus3-r4/pegasus3-r4_product-manual_1617248175.webp)
162
Promise
Technology
Pegasus3 R4/R6/R8
Logical Drives
Logical drive technology includes:
•
•
•
•
•
RAID Levels
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 – Stripe
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
Summary of Contents for Pegasus3 R4
Page 4: ...iv Promise Technology Pegasus3 R4 R6 R8 VCCI KCC FCC ...
Page 5: ...v About this guide Pegasus3 Product Manual WARNING WARNING WARNING WARNING ...
Page 80: ...67 Managing the Pegasus3 Pegasus3 Product Manual Controller Settings ...
Page 207: ...194 Promise Technology Pegasus3 R4 R6 R8 View NVRAM Events ...