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RAID 0. Don't use it.

 
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RAID 0. Don't use it.
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JoeClark
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Message RAID 0. Don't use it. Répondre en citant
Hello,


So why shouldn't I use RAID 0? RAID 0 is designed with purely performance in mind. It is not designed to with stand any kind of faults or power failures. The data when being written to is "Stripped" or distributed in data-blocks across each drive. Which yes improves access and write throughput. But sacrifice the safer alternatives when it comes to other versions of RAID, RAID 5 or RAID 10. 


RAID 10 has benefits over RAID 0 in that all data is mirrored across each drive and it is stripped. Mirroring is cloning the data with the exact same data to each drive, meaning each drive has the same data on each. This means the drive can not be used to store additional data. Whatever you change on the RAID will be mirrored across all drives. Meaning the same capacity will be in each array element. RAID also has high performance in that it combines the slower redundancy with RAID 1 with the high speed of RAID 0. 


RAID 5 has also got it's own characteristic differences. In that it has good performance with additional layers of redundancy, namely parity is combined with data to verify it's integrity. But they take a hit more than RAID 0, and are not ideal when response time is what you want. 


thanks


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