How to do soft RAID RAID 0 What third party software is needed

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RAID is a technology that combines multiple independent hard disks (physical hard disks) in different ways to form a group of hard disks (logical hard disks) to provide higher storage performance and data redundancy than a single hard disk.

Software RAID is used to complete RAID functions by using the operating system, and hardware RAID is used to realize RAID functions by hardware. They have the following differences:

First, the performance is different.

1. Hardware RAIN directly supports RAIN from hardware, and no additional performance is required.

2. The software RAIN needs CPU cooperation, and the performance is relatively low.

Second, the compatibility is different.

1. Hardware RAIN is supported by all systems.

2. The software RAIN is only supported by Windows2000 2003 and Win9X WinMe Linux systems.

Third, the security is different.

1. Hardware rainWhen the hard disk is lost, it can be rebuilt, and if the RAID card is damaged, it can realize the function of not losing data by replacing the RAID card.

2. The security of software RAID is not good, when a hard disk is damaged, it cannot realize the function of reconstruction.

Fourth, the cost is different.

1. Hardware RAIN needs to be supported by corresponding hardware equipment, and the cost is high.

2. Software RAID is realized by simulating in the hard disk, and the cost is low.

RAID 0, also known as Stripe or Stripe, represents the highest storage performance of any RAID level. So do netizens know what requirements are required to implement RAID 0? Interested netizens, let's find out together.

1. At least two or more hard disks are required to implement RAID 0, which merges more than two hard disks into one, and the data is dispersed in each hard disk at the same time.

2. Since the bandwidth is doubled, the read and write speed is also doubled. This parallel operation on the data can make full use of the bandwidth of the bus, significantly improving the overall disk access performance, while ignoring the reliability of the data, where the failure or failure of any one hard drive affects all data.

3. Therefore, RAID 0 cannot be used in situations with high data security requirements. The data is distributed among the hard disks of each core, and the parallel operation of the three hard disks increases the speed of disk reads and writes by 4 times at the same time.

From several aspects, the performance is naturally hard RAID good, especially with RAID cards, there is a master control on it, no need to occupy CPU resources, RAID cards with cache can also improve random read and write performance, soft RAID to occupy CPU resources, and can not improve random read and write performance, at most with a single disk flat, or even regressed;

The cost, the low cost of soft raid, this is not much to explain;

Convenience,Soft RAID is much better,Especially when migrating,You take out the disk and find a computer to import and use,Hard RAID if the RAID card hangs is basically disastrous,RAID information is stored in the RAID card,Soft RAID information is written on the disk。

What is Hard Raid?

Hard RAID is achieved by using hardware, such as: all kinds of RAID cards, as well as the RAID that can be done by the integration of the motherboard.

What is Soft RAID?

Soft RAID is used to complete the RAID function by using the operating system, for example: under the Windows 2000 operating system, RAID 5 is made with three hard disks

1. Performance. This is probably the most important aspect of using RAID to improve performance. Theoretically, using RAID0 can get double the speed of using a single hard disk, and both hard and soft RAID0 can get close to this speed. The CPU usage of using soft RAID is higher, so in terms of performance, hard RAID is ahead.

2. Stability.

RAID is done in pursuit of performance, so 7200rpm hard disk is generally used. The mainstream 7200rpm hard disk on the market generally generates more heat, and if you put two in the chassis at the same time, heat dissipation is already a problem, let alone three. After all, stability is paramount, and if the hard drive is burned, the gain outweighs the loss.

What's more, some cases simply can't fit three hard drives. Therefore, the stability of using hard RAID is a bit higher.

3. Ease of operation.

Implementing RAID in Windows 2000 2003 requires only a few simple steps, and the entire interface is in Chinese, which can be achieved even by people who do not know much about RAID. If you use an external RAID card, the operation is much more troublesome, the operation interface is in English, and you can't use translation software, so the soft RAID is easier to implement.

Soft RAID is dependent on OS, and hard RAID is independent of OS. Hard raid data security is definitely better!

Generally speaking, RAID can be divided into two types: hardware implementation and software implementation. The so-called hard RAID refers to the implementation through hardware, and the software implementation is called soft RAID. Let's explain hard RAID and soft RAID respectively.

The so-called hard RAID is to use a special RAID controller to connect the hard disk to the computer, and the RAID controller is responsible for configuring all RAID member disks into a virtual RAID disk volume. For the operating system, it can only recognize the virtual disks configured by the RAID controller, but cannot identify the individual member disks that make up the RAID. Soft RAID is a RAID that does not use a RAID controller, but is implemented directly through the software layer.

Unlike hard RAID, each member disk of soft RAID is visible to the operating system, but the operating system does not present each member disk to the user, but only presents the virtual RAID volume configured through the software layer to the user, so that the user can use the RAID volume as if it were a normal disk.

Advantage, soft RAID, RAID information is stored on the hard disk, these hard disks you can just take to another computer and import it to continue to use, the data is not lost at all; Low cost, including hardware and software costs, as well as learning costs;

Hard RAID, good performance is the biggest advantage, the read and write control of the disk is completed by the main control of the RAID card, the dependence on the CPU is very small, and it can support write cache, which can improve the random read and write performance (RAID card without cache is not good);

Disadvantages: soft RAID, poor performance, disk read/write is controlled by the CPU, not suitable for application scenarios with high performance requirements;

Hard RAID has high cost, high hardware cost and learning cost, and is not flexible enough to be used directly on another machine like soft RAID;

RAID stands for Redundant Array of Disks. This is a method of virtualizing multiple independent hard drives into one or more arrays, and after the user rents a server, RAID arrays are often made to improve the performance, capacity, and reliability of the hard drives. Usually RAID can be implemented using a special controller (hardware RAID) or operating system drivers (software RAID).

1. Advantages and disadvantages of hardware RAID.

Advantages: Hardware RAID is a dedicated processing system that uses a controller or RAID card to manage RAID configurations independently of the operating system. RAID controllers do not draw processing power from the disks they manage.

As a result, more space and speed can be used to read and write data. It can run on any operating system. Replacing a failed disk is simple - just plug it in and replace it with a new one.

Disadvantages: Hardware RAID costs more than software RAID because it requires additional controller hardware. If your RAID controller fails, you must find a compatible RAID controller to replace in order for the RAID system to perform the way you set it up.

2. Advantages and disadvantages of software RAID.

Advantages: Unlike hardware RAID, software RAID uses the processing power of the operating system on which the RAID disk is installed. The cost is lower because there is no need for an additional hardware RAID controller.

It also allows the user to reconfigure the array without the constraints of a hardware RAID controller.

Disadvantages: Software RAID tends to be slower than hardware RAID. Due to some processing power employed by the software, the read and write speed of the RAID configuration and other operations performed on the server may be slowed down as a result.

Software RAID is usually specific to the operating system being used, so it is generally not possible to use partitions that are shared between operating systems.

Replacing a failed disk in a software RAID is a bit complicated. You must first tell the system to stop using the disk and then replace it.

3. Software RAID vs. Hardware RAID: Which One Should You Choose.

Choosing between software RAID and hardware RAID depends on what you need to do and how much it costs.

If you're on a tight budget and you're using RAID 0 or RAID 1, there's not much difference between software RAID and hardware RAID. If you need the best performance when using compute-intensive RAID 5 and RAID 6, you should opt for hardware RAID because software RAID can really hurt performance. In addition, software RAID generally does not support esoteric RAID levels such as RAID 10.

Hardware RAID is required in this case.

All in all, hardware RAID costs more than software RAID but offers better performance, frees you from the limitations of software RAID, giving you more flexibility in how you use it and what type of configuration you can use. If your budget allows, it's better to opt for hardware RAID.

On the Windows server version such as Win2003, in Disk Management, you can convert the disk to dynamic.

Open the motherboard BIOS first, press F6 to load the driver.