Areca ARC-1231ML/1261ML/1280ML Computer Hardware User Manual


 
INTRODUCTION
31
6 RAID 6 provides the highest
reliability. Similar to RAID 5, but
does two different parity com-
putations. RAID 6 offers fault
tolerance greater that RAID 1 or
RAID 5. Parity data consumes
the capacity of 2 disk drives.
4 highest
reliabil-
ity
Reads
are
similar
to
RAID 0;
Writes
are
slower
than a
single
disk
Reads are
similar to
RAID 0;
Writes are
slower than a
single disk.