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In the computer world, what is the difference between SATA and RAID?

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Posted by Steven Kendy PIERRE
Technology 0
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The main difference between SATA and RAID is that SATA allows you to connect and transfer data from a storage device to a computer, while RAID allows the same data to be stored in different places on multiple hard drives to protect them from damage. disk failures.

SATA works as an interface to connect storage devices such as a hard drive, optical drives, or solid state drive to the computer. It’s cost effective and more flexible. It allows data transfer at a higher speed and enables efficient transfer via I / O queuing protocol. On the other hand, RAID is a method of data protection. It copies the data to multiple disks so that the data can be used in the event of a failure.

What is SATA?

SATA stands for Serial Advanced Technology Attachment. It is also called the ATA Series. It is an interface that allows the exchange of data between the computer bus and the storage device. It is a serial connector that allows data to be transferred faster at a higher signaling rate. SATA reduces the size and cost of the cable. Most modern desktops and laptops use SATA.

There are two versions of SATA called eSATA and eSATAp .. eSATA is used as an external connector. It cannot be used to power the motherboard hard drive. On the other hand, eSATAp combines eSATA and USB issues into a single port.

What is RAID?

The data is stored on disks. If a failure occurs, the data can be erased. Thus, there should be a mechanism to prevent data loss during disk failure. RAID provides a solution to this problem. RAID stands for Redundant Array of Independent Disks. It copies data to multiple disks, preventing data loss during disk failure.

There are different types of RAID. RAID 0, RAID 1, RAID 5 and RAID 10 are among them. RAID 0 is not very fault tolerant. It divides the data into two separate disks. If a drive fails, there is no access to the data stored on that drive. On the other hand, it provides faster access to data. RAID 1 offers more fault tolerance. It copies data to multiple disks. If one disk fails, there is no problem since the other disk contains the same data.

RAID 5 requires three or more disks. It is fast and stores a large amount of data. It divides the data on each disk and a disk stores the parity. Parity is used to recover data after a failure. On the other hand, the actual amount of data that can be stored is reduced due to parity. RAID 10 is a combination of RAID 1 and RAID 0. It is fault tolerant because of RAID 1 and faster because of RAID 0 ..

Difference between SATA and RAID

Definition

SATA is a computer bus interface that connects host bus adapters to mass storage devices, such as hard drives, optical drives, and solid-state drives. RAID is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical drives for data redundancy and improved performance. So this definition itself is the difference between SATA and RAID.

Functionality

In addition, SATA allows data to be transferred from the storage device to the computer. RAID allows multiple data to be copied to multiple hard drives to protect data. This is the major difference between SATA and RAID.

Long form

Serial Advanced Technology Attachment is the long form of SATA while Redundant Array of Independent Disks is the long form of RAID.

Conclusion

The difference between SATA and RAID is that SATA allows you to connect and transfer data from a storage device to a computer, while RAID allows the same data to be stored in different places on multiple hard drives in order to protect them. data against disk failure.

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