|
Most people know their RAID 0, 1 and 5, but beyond that, things can get pretty hairy, pretty fast. Below are examples of some of the more exotic RAID levels you may come across.
[IMAGE]
WHAT
PROS
CONS
RAID 6
Like RAID 5 (block level striping and distributed parity), but with dual parity for each data block
Improved fault tolerance over RAID 5 - can handle the failure of any two drives in the array
Slower writes than RAID 5
...
To continue reading for free, register below or login
To read more you must become a member of SearchStorage.com
RAID 30
Striping (RAID 0) across RAID 3 (byte-level striping with dedicated parity disk) sub-arrays
RAID 0-like speeds, with increased fault tolerance
Complex, expensive to implement
RAID 51
Mirroring combined with block striping and distributed parity
Maximum fault tolerance and availability through mirroring and distributed parity
Low storage efficiency
[IMAGE]
|
 |
|
