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7/4/2025, 11:33:33 PM
>>529963214
In its simplest form (RAID 1), you're just mirroring between X>=2 drives. So you put a file on drive 1, it is also put on drive 2. When one of them inevitably dies, you have the other one.
RAID 2 requires 3 or more drives, and uses striping and mirroring so that it's more efficient (RAID 1 obviously is a full mirror, so you're using 2 drives of X size to hold 1 drives worth of data) because it distributes the data using parity so any 1 drive can fail and maintain the full data. This means you have more than 1 drives worth of data but less the total amount that you're using (and it becomes more efficient the more drives you add). The other raids are just combinations of these, more or less. Unless you're doing something really wacky, I wouldn't touch them.
In its simplest form (RAID 1), you're just mirroring between X>=2 drives. So you put a file on drive 1, it is also put on drive 2. When one of them inevitably dies, you have the other one.
RAID 2 requires 3 or more drives, and uses striping and mirroring so that it's more efficient (RAID 1 obviously is a full mirror, so you're using 2 drives of X size to hold 1 drives worth of data) because it distributes the data using parity so any 1 drive can fail and maintain the full data. This means you have more than 1 drives worth of data but less the total amount that you're using (and it becomes more efficient the more drives you add). The other raids are just combinations of these, more or less. Unless you're doing something really wacky, I wouldn't touch them.
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