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Software RAID Types 소프트웨어 레이드 유형
`RAID0 (Performance)` - Distributes data across multiple disks. Level 0 RAID offers increased performance over standard partitions and can be used to pool the storage of multiple disks into one large virtual device. Note that Level 0 RAIDs offer no redundancy and that the failure of one device in the array destroys data in the entire array. RAID 0 requires at least two disks.
`RAID1 (Redundancy)` - Mirrors all data from one partition onto one or more other disks. Additional devices in the array provide increasing levels of redundancy. RAID 1 requires at least two disks.
`RAID4 (Error Checking)` - Distributes data across multiple disks and uses one disk in the array to store parity information which safeguards the array in case any disk within the array fails. Because all parity information is stored on one disk, access to this disk creates a "`bottleneck`" in the array's performance. Level 4 RAID requires at least three disks.
`RAID5 (Distributed Error Checking)` - Distributes data and parity information across multiple disks. Level 5 RAIDs therefore offer the performance advantages of distributing data across multiple disks, but do not share the performance bottleneck of level 4 RAIDs because the parity information is also distributed through the array. RAID 5 requires at least three disks.
`RAID6 (Redundant Error Checking)` - Level 6 RAIDs are similar to level 5 RAIDs, but instead of storing only one set of parity data, they store two sets. RAID 6 requires at least four disks. `레이드 6 (중복 오류 검사)` - 레이드6 수준은 레이드 5 수준과 유사하지만, 패리티 자료 세트를 하나만 저장하는 대신에, 두 세트를 저장합니다. 레이드 6는 최소한 4개의 디스크가 필요합니다.
`RAID10 (Performance, Redundancy)` - Level 10 RAIDs are nested RAIDs or hybrid RAIDs. They are constructed by distributing data over mirrored sets of disks. For example, a level 10 RAID array constructed from four RAID partitions consists of two mirrored pairs of striped partitions. RAID 10 requires at least four disks.