Kaip apskaičiuoti Storage RAID
Kas yra Storage RAID?
RAID calculator determines data protection level, usable capacity, and redundancy. Different RAID levels offer various tradeoffs between speed, capacity, and fault tolerance.
Formulė
RAID 0: Capacity = n×D; RAID 1: Capacity = D; RAID 5: Capacity = (n-1)×D; etc.
Žingsnis po žingsnio vadovas
- 1Enter number of drives and drive capacity
- 2Select RAID level
- 3Calculate usable capacity and fault tolerance
Worked Examples
Įvestis
4 drives × 2TB each, RAID 5
Rezultatas
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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