It is the best choice for common personal users and server users. Software RAID is well supported by the operating system, which is implemented by OS kernel module, and no required extraordinary hardware. This means it takes a high cost to set up hardware RAID. Hardware RAID can be implemented by requiring high hardware requirements, in the form of special disk controllers, but also needs computer motherboard support. Usually, RAID 1 and RAID 5 are widely used to solve the risk problem of server data storage. How to protect server data? Many users choose to use RAID to deal with the risk of hardware failures. In the IT world, hardware failure does not occur often, but in the event, the running server may lose large amounts of important data.
There are a variety of different types and implementations of RAID, each with its own advantages and disadvantages. RAID is a technology that allows a volume (partition) uses together with the space on the multiple disks, in this way, disk's utilization and system performance can be improved.
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