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RAID level 3
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Which RAID level requires 2 different parity calculations?
RAID Level 6 was introduced by the Berkley research team in a paper that followed its original outline of RAID levels. This system provides an extra degree of error detection and correction because it requires two different parity calculationsUnderstand Operating Systems-Sixth Edition, Chapter 7-Device ManagementRAID Level 6
What level of raid does parity error checking occurs when data is written across the disk array?
RAID 3
Which raid level uses striping with parity?
RAID 5
What raid level is disk striping with parity?
Raid 5
What are RAID 1 and RAID 5?
Raid 1 suppports the Mirroring if any one hard disk faild one will get the copy of the data and fault tolerent. after replacing the hard disk you have to re create the mirroring. Raid 5 supports stripped with parity the data will be deviced into blocks and stored in all the drives with the parity information. if any one or two hard disks faild the data will be available.
What is raid 7 Difference between raid 6 and raid 7?
RAID 7 is triple parity RAID 6 is double parity.
Briefly define the seven RAID levels?
A RAID 1 creates an exact copy of a set of data on two or more disks. this is useful when read performance or reliability are more important than data storage capacity. A RAID 2 stirpes data at the bit level and uses a hamming code for error correction. A RAID 3 uses byte level striping with a dedicated parity disk. its a very rare practise. A RAID 4 uses block level striping with a dedicated parity disk. this allows each member of the set to act independently when only a single block is requested. A RAID 5 uses block level striping with parity data distributed across all memebr disks.it achieved popularity due to its low cost of redundancy. A RAID 6 extends RAID 5 by adding an adiitional parity block. A RAID 7 isn't an open industry satndard.it is based on the concepts used in RAID 3 and RAID 4 but greatly enhanced to address some of the limitations oif those levels.this increased performance of course comes at a cost..this is an expensive solution,made and supported by only one industry. boby handsome loh
What is RAID DP?
RAID DP ---Stands for RAID Dual Parity.....
Which type of RAID uses a dedicated parity disk?
RAID 3
What is a fault tolerance measure known as disk striping with parity?
RAID-5 provides data redundancy by using parity. Parity is a calculated value used to reconstruct data after a failure. While data is being written to a RAID-5 volume, parity is calculated by doing an exclusive OR (XOR) procedure on the data. The resulting parity is then written to the volume.
True or False In RAID Level 3 a parity bit is assigned to each data byte when it is transmitted or written to a disk?
True
What is raid level?
A ______ uses block-level striping with parity data distributed across all member disks. It has achieved popularity because of its low cost of redundancy.
