Storage¶
Types¶
- heap file org
- sequential
- hash
- clustered
operations¶
- update
- retreival
- open
- locate
- read
- write
- close
RAID¶
redundant array of independent disks, treat multiple disks as 1.
- raid 0
- 1 - mirroring
- 2 - error correction code using hamming distance
- 3 - parity bit - byte level striping
- 4 - parity bit - block level striping
- 5 - parity bits do not have seperate disks
- 6 - 2 indipendent parity bits, on same disks