Raid Levels - proavio RS16FS User Manual

RS16 FS – Manual v.6.1A

1.3 RAID levels

Disk striping. RAID 0 needs at least one hard drive.
RAID 0
Disk mirroring over two disks. RAID 1 needs at least two hard
RAID 1
drives.
Extension to RAID 1 level. It has N copies of the disk.
N-way
mirror
Striping with parity on the dedicated disk. RAID 3 needs at
RAID 3
least three hard drives.
Striping with interspersed parity over the member disks. RAID
RAID 5
3 needs at least three hard drives.
2-dimensional parity protection over the member disks. RAID
RAID 6
6 needs at least four hard drives.
Mirroring of the member RAID 0 volumes. RAID 0+1 needs at
RAID 0+1
least four hard drives.
Striping over the member RAID 1 volumes. RAID 10 needs at
RAID 10
least four hard drives.
Striping over the member RAID 3 volumes. RAID 30 needs at
RAID 30
least six hard drives.
Striping over the member RAID 5 volumes. RAID 50 needs at
RAID 50
least six hard drives.
Striping over the member RAID 6 volumes. RAID 60 needs at
RAID 60
least eight hard drives.
The abbreviation of "Just a Bunch Of Disks". JBOD needs at
JBOD
least one hard drive.
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