trim command

Some time ago to do some of the SSD optimization work, SSD's biggest problem is that after a long time use, IO performance will drop dramatically. The main problem is that in order to prevent the "write amplification" problem, SSD firmware uses a

Can TRIM operations be performed in RAID? I wonder if you have considered the following question: can TRIM operations be supported in RAID? Imagine how to unmap the data block in the SSD by using the TRIM command after the RAID is created on the SSD

OSX: it may not be a good idea to enable the ssd trim function. A long time ago, since people started loading SSD to Mac machines and OSX began to support TRIM, people began to pay attention to enabling the TRIM function of OSX to optimize SSD

One problem for users who want to equip their old Mac with a third-party SSD (SSD) is that the OS X system does not turn on TRIM support for Third-party SSDs. TRIM is a system-level command that allows the operating system to communicate with

What is the trim of SSD solid state drive? The trim of SSD can avoid the use of useless data as useful data in the garbage collection, so as to prolong the life of SSD. In HDD mechanical hard drives, the logical location of the deleted

When it comes to converting or editing image files in Linux, ImageMagick is undoubtedly one of the most well-known integrated software. It contains a complete set of command-line tools to display, convert, or copy raster or vector image files of

No Zuo no die, which is not upgraded to Yosemite, and then found that trim activated in mavericks is not working here, and prompts that trim enable is not suitable for this version. Then, the tragedy began. I found an old post and changed the kernel

Last night Apple released the official version of OS X 10.10.4. From the previous message, OS X El Capitan will start with a third party SSD TRIM support, but it looks like Apple will launch this feature ahead of time. Because OS X 10.10.4 has

Apple Mac OS X 10.10.4 the way to unlock third party SSD trim What is trim? TRIM is a system-level command that allows better communication between the operating system and solid-state drives, determines which areas on the SSD are not used, and is

The ATA trim command is used by the file system to notify devices which logical addresses are no longer occupied and can be recycled as free space by devices. In the ATA command set, the trim command is only the datamanagement set (DMS) the DMs