Kuinka laskea Storage RAID
Mikä on Storage RAID?
RAID calculator determines data protection level, usable capacity, and redundancy. Different RAID levels offer various tradeoffs between speed, capacity, and fault tolerance.
Kaava
RAID 0: Capacity = n×D; RAID 1: Capacity = D; RAID 5: Capacity = (n-1)×D; etc.
Vaiheittainen opas
- 1Enter number of drives and drive capacity
- 2Select RAID level
- 3Calculate usable capacity and fault tolerance
Ratkaistut esimerkit
Syöte
4 drives × 2TB each, RAID 5
Tulos
Usable: 6TB, Can lose 1 drive
RAID 5 parity stripe
Yleisiä virheitä vältettäväksi
- ✕Confusing hot spare with usable drives
- ✕Not accounting for RAID rebuild time vulnerability
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