A systems administrator is selecting the appropriate RAID level to support a private cloud with the following requirements: - The storage array must withstand the failure of up to two drives. - The st

Question

Options

• ARAID 0
• BRAID 1
• CRAID 5
• DRAID 6
• ERAID 10

• A
  2% (1)
• B
  4% (2)
• C
  6% (3)
• D
  89% (47)

Explanation

RAID stands for Redundant Array of Independent Disks, which is a technology that combines multiple physical disks into a logical unit that provides improved performance, reliability, and storage capacity. RAID levels are different ways of organizing and distributing data across the disks in a RAID array. Each RAID level has its own advantages and disadvantages, depending on the requirements and trade-offs of the system. RAID 6 is a RAID level that uses block-level striping with double parity. This means that data is divided into blocks and distributed across all the disks in the array, and two sets of parity information are calculated and stored on different disks. Parity is a method of error detection and correction that can reconstruct the data in case of disk failure. RAID 6 can withstand the failure of up to two disks without losing any data, which makes it suitable for a private cloud that requires high fault tolerance. RAID 6 also maximizes the storage capacity of its drives, as it only uses two disks for parity and the rest for data. The storage capacity of a RAID 6 array is equal to (n-2) x S, where n is the number of disks and S is the size of the smallest disk.

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