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Difference between RAID 0 and RAID 1

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  • Last Updated : 04 May, 2020

RAID stands for Redundant Array of Independent Disk, is the technique used for disk organisation for reliability and performance. Both RAID 0 stands for Redundant Array of Independent Disk level 0 and RAID 1 stands for Redundant Array of Independent Disk level 1 are the categories of RAID. The main difference between the RAID 0 and RAID 1 is that, In RAID 0 technology, Disk stripping is used. On the other hand, in RAID 1 technology, Disk mirroring is used.






S.NO RAID 0 RAID 1
1. RAID 0 stands for Redundant Array of Independent Disk level 0. While RAID 1 stands for Redundant Array of Independent Disk level 1.
2. In RAID 0 technology, Disk stripping is used. While in RAID 1 technology, Disk mirroring is used.
3. The cost of RAID 0 technology is low. While RAID 1 is costly or expensive.
4. In RAID 0, There is no write penalty. While in RAID 1, There is write penalty.
5. The Relative storage efficiency of RAID 0 is 100%. While the relative storage efficiency of RAID 1 is 50%.
6. The write performance of RAID 0 is better than RAID 1. While the write performance of RAID 1 is slower than RAID 0.
7. RAID 0 emphasis on data accessing speed. While in RAID 1, data availability is emphasized.
8. RAID 0 is well in read performance. While RAID 1 is moderate in read performance.
9. In RAID 0, there is no protection available. In RAID 1, mirror protection is provided.
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