SurfRAID LC16 Series, Руководство пользователя

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SurfRAID LC16 Series User’s
Manual 10
1.1.2. RAID LEVEL COMPARISON TABLE
RAID
Level N a m e Description M inimum
Drives
Required Available
disk
Number. Data
Availability
0 Data Striping
* The Data is broken down into strips
and striped across the member disks
of the array.
* Provides no redundancy.
2 [N]
Low
1 M irrored Disks
* Provides redundancy by writing
identical data to each member disk of
the array.
2 [1 ]
Very High
3 Striping with
dedicated parity
disk
* Provides redundancy by writing parity
to a dedicated Disk.
3 [N-1]
High
5 Independent Drives
With Spread Parity
* Provides redundancy by distributing
parity across some or all of an array’s
member disks.
3 [N-1]
High
0+1 Data Striping with
M irroring
* This RAID Level is a combination of
RAID 0 (striping) & RAID 1
(Mirrored).
4 [N/2]
Very High