Jak vypočítat Storage RAID
Co je Storage RAID?
RAID calculator determines data protection level, usable capacity, and redundancy. Different RAID levels offer various tradeoffs between speed, capacity, and fault tolerance.
Vzorec
RAID 0: Capacity = n×D; RAID 1: Capacity = D; RAID 5: Capacity = (n-1)×D; etc.
Průvodce krok za krokem
- 1Enter number of drives and drive capacity
- 2Select RAID level
- 3Calculate usable capacity and fault tolerance
Worked Examples
Vstup
4 drives × 2TB each, RAID 5
Výsledek
Usable: 6TB, Can lose 1 drive
RAID 5 parity stripe
Common Mistakes to Avoid
- ✕Confusing hot spare with usable drives
- ✕Not accounting for RAID rebuild time vulnerability
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