![]() The example will be using RAID 1 for everything except swap and temporary data. If one of those drives fails, the block device provided by the RAID array will continue to function as normal. As with other RAID levels, it only makes sense if the partitions are on different physical disk drives. RAID 1 The most straightforward RAID level: straight mirroring. The size of a RAID 0 array block device is the size of the smallest component partition times the number of component partitions. On a server, RAID 1 and RAID 5 arrays are more appropriate. If the speed increase is worth the possibility of data loss (for swap partition for example), choose this RAID level. It does, however, provide a big speed benefit. Even though it does not provide redundancy, it is still considered RAID. There are many different levels of RAID listed below are the most common. Furthermore, installing a system with RAID is a complex process that may destroy data. A RAID will not protect data if there is a fire, the computer is stolen or multiple hard drives fail at once.
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