h******r
发帖数: 201 | 1 刚买了mac mini late 2014中等配置的版本，换上sandisk untra II的固态硬盘，发现
速度没有想像的快。搜了以下发现新版本的Yosemite不支持非苹果ssd的trim。trim是
什么，这个是copy来的网上的东西：
TRIM is effectively an interface for the OS to help manage available space
on an SSD. Rewriting NAND that had prior been used to store data that has
since been deleted is different that it is on a hard drive. For drives
designed with a dependence on TRIM, this can be important for both
performance and NAND wear management. TRIM is often referred to as garbage
collection, which is somewhat true.
要解决这个问题，要么降级成以前版本的os，比如mountain lion，要么想办法enable
trim。前一个办法，我费了老大劲没成功。我按照网上的办法拿一个usb flash drive
作了一个mountain lion的installer，但是机子不识别。不知道还有什么办法可以降级。
大家有遇到类似问题吗？ | g*****7
发帖数: 460 | 2 在终端输入一条命令即可，好象是
enable trim 之类的
enable
【在 h******r 的大作中提到】
: 刚买了mac mini late 2014中等配置的版本，换上sandisk untra II的固态硬盘，发现
: 速度没有想像的快。搜了以下发现新版本的Yosemite不支持非苹果ssd的trim。trim是
: 什么，这个是copy来的网上的东西：
: TRIM is effectively an interface for the OS to help manage available space
: on an SSD. Rewriting NAND that had prior been used to store data that has
: since been deleted is different that it is on a hard drive. For drives
: designed with a dependence on TRIM, this can be important for both
: performance and NAND wear management. TRIM is often referred to as garbage
: collection, which is somewhat true.
: 要解决这个问题，要么降级成以前版本的os，比如mountain lion，要么想办法enable
|
|
