Cum se calculează Storage RAID
Ce este Storage RAID?
RAID calculator determines data protection level, usable capacity, and redundancy. Different RAID levels offer various tradeoffs between speed, capacity, and fault tolerance.
Formulă
RAID 0: Capacity = n×D; RAID 1: Capacity = D; RAID 5: Capacity = (n-1)×D; etc.
Ghid pas cu pas
- 1Enter number of drives and drive capacity
- 2Select RAID level
- 3Calculate usable capacity and fault tolerance
Exemple rezolvate
Intrare
4 drives × 2TB each, RAID 5
Rezultat
Usable: 6TB, Can lose 1 drive
RAID 5 parity stripe
Greșeli frecvente de evitat
- ✕Confusing hot spare with usable drives
- ✕Not accounting for RAID rebuild time vulnerability
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