Logical drives divide the array or disks across the array into contiguous storage spaces, which are distributed across all disks in the array.

The NetRAID controller can set up to 8 logical drives of different capacity sizes, and at least one logical drive must be set up in each array. Input/output operations can only run when the logical drive is online.

There are three types of hard disk partitions: primary disk partition, extended disk partition, and logical partition.

A hard drive can have one primary partition, one extended partition, or only one primary partition without an extended partition. Logical partitioning can be multiple.

The primary partition is the boot partition of the hard disk, which is independent and the first partition of the hard disk. If divided normally, it is the C drive.
After dividing the main partition, the remaining part can be divided into extended partitions. Generally, the remaining part can be fully divided into extended partitions or not fully divided, and the remaining part will be wasted.

But extended partitions cannot be directly used, they are used in a logical partition manner, so extended partitions can be divided into several logical partitions. Their relationship is an inclusive relationship, and all logical partitions are part of the extended partition.

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