Adding trim function to ssd and Mounting MySQL on a SSD Solid-State Disk
Install a new drive, format, partition and mount it, for example as: “/ssd” It is recommended that the SSD drive be setup in EXT4 format. EXT4 format supports TRIM when used with “discard” mount option. Solid State Drives (SSDs) are not PnP devices. Special considerations such as partition alignment, choice of file system, TRIM…