Ssdtrimdiscard

2020年11月30日 — Discard is the linux term for telling a storage device that sectors are no longer storing valid data and applies equally to both ATA and SCSI ...

A trim command allows an operating system to inform a solid-state drive (SSD) which blocks of data are no longer considered to be in use and therefore can ...

2021年3月24日 — Simply run the sudo fstrim -a command which will trim all unused blocks on all mounted filesystems. It is safe to run the command on a running ...

2021年5月16日 — If the filesystem is mounted with discard , then deleting files will automatically cause the TRIM command to be issued.

2023年12月11日 — If you want to trim your entire SSD at once, e.g. for a new install or if you want to sell the drive, you can use the blkdiscard command. LVM.

2023年5月3日 — Device's support of discard (sometimes referred to as trim) should be verified before performing any form of discarding on the drive. It is ...

2020年10月28日 — The trick is to stop using the RAID drive through the RAID driver, expose the SSD as a JBOD, re-mount the filesystem, and then TRIM it there.

The SSD TRIM command simply marks the invalid data and tells the SSD to ignore it during the garbage collection process. The SSD then has fewer pages to move ...

^ Possible to get SSD TRIM (discard) working on ext4 + LVM + software RAID in Linux? - Server Fault. [2011-11-29]. （原始內容存檔於2011-12-20）.