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Friday, May 17, 2019

Which nested RAID level combines block-level striping with distributed parity?

Which nested RAID level combines block-level striping with distributed parity?

  • RAID 30
  • RAID 60
  • RAID 50
  • RAID 10 
Which nested RAID level combines block-level striping with distributed parity?

EXPLANATION

RAID 50 (RAID 5+0)

A RAID 50 combines the straight block-level striping of RAID 0 with the distributed parity of RAID 5. This is a RAID 0 array striped across RAID 5 elements. It requires at least 6 drives.

Provides great balance between storage performance, storage capacity, and data integrity that’s not necessarily found in other RAID levels.One drive from each of the RAID 5 sets could fail without loss of data.

The time spent in recovery (detecting and responding to a drive failure, and the rebuild process to the newly inserted drive) represents a period of vulnerability to the RAID set.

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