Use And Maintenance Of Solid State Disk

1. Do not use defragmentation

Defragmentation is a good way to deal with the slow down of mechanical hard disks, but it is a "torture" for solid-state drives.

There is a limit to the number of erasures of consumer grade solid-state drives, and defragmentation will greatly reduce the service life of solid-state drives. In fact, the garbage collection mechanism of solid-state drives is already a good "disk collation", and no more collation is necessary. The "defragmentation" function of windows is a product of the era of mechanical hard disks, and is not applicable to SSDs.

In addition, it is better to disable the read ahead (superfetch) and fast search (windows search) functions of win7 when using solid-state drives. These two functions have little practical significance, and disabling them can reduce the reading and writing frequency of the hard disk. (this optimization is not required in Windows 10)

2. Small partition

Or because of the "garbage collection mechanism" of solid-state drives. To completely delete files on the SSD is to destroy the entire area where invalid data is located. The process is as follows: first, collect the effective data in the area, transfer it to an idle location, and then clear the "problem area".

This mechanism means that the capacity of the SSD should not be full when partitioning. For example, for a 128G solid-state disk, the manufacturer will generally specify 120g, and reserve some space. However, if only 100g is partitioned and more space is reserved, the performance of SSD will be better. These reserved spaces are automatically used for optimization operations inside the SSD, such as wear balancing, garbage collection and bad block mapping. This practice is called "small partition".

"Less partitions" is another concept, which is related to the impact of "4K alignment" on SSD. On the one hand, the capacity of mainstream SSDs is not very large, and more partitions mean more wasted space. On the other hand, too many partitions can easily lead to partition dislocation, and the performance of the disk area at the partition boundary may be affected. The simplest way to maintain "4K alignment" is to use win7's built-in partitioning tool to partition, so as to ensure that the separated areas are 4K aligned.

3. Reserve enough remaining space

The more the SSD stores, the slower the performance. If a partition is in a state of over 90% usage for a long time, the possibility of some SSD crashing will be greatly increased, and the performance of most HDDs will also be reduced.

Therefore, it is very important to clean up useless files in time, set a suitable virtual memory size, and store large files such as movies and music in the mechanical hard disk. It is necessary to reserve enough remaining space in the SSD partition.

4. Refresh firmware in time

"Firmware" is like the BIOS on the motherboard, which controls all internal operations of the SSD. It not only directly affects the performance and stability of the SSD, but also affects its life. Excellent firmware contains advanced algorithms that can reduce unnecessary writing of solid-state drives, thereby reducing the wear of flash memory chips and extending the life of solid-state drives while maintaining performance. Therefore, it is very important to update the latest firmware officially released in time. It can not only improve performance and stability, but also fix previous bugs.

5. Learn to use recovery commands

The trim reset command of the SSD can completely restore the performance to the factory state.

With the rapid development of the Internet, people's demand for data information storage is also rising. Many storage manufacturers have launched their own portable solid-state drives, more mobile solid-state drives that support type-C interface and solid-state drives that support fingerprint recognition.