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Chapter 7: Technology Background
RAID 50 – Striping of Distributed Parity Logical Drives
RAID 50 combines both RAID 5 and RAID 0 features. Data is striped across
disks as in RAID 0, and it uses distributed parity as in RAID 5. RAID 50 provides
data reliability, good overall performance and supports larger volume sizes. RAID
50 also provides high reliability because data is still available even if two disk
drives fail (one in each data stripe).
Distributed Parity
Data
Stripe
Disk Drives
Figure 6. RAID 50 Striping of Distributed Parity logical drives
RAID 50 logical drives on VTrak consist of 6 to 15 disk drives.
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