ext4mountdiscardoption

If you have the discard mount option, it will block every time you delete a file, and thus file deletion will take far longer. So that is ...

It will slow down your drive as TRIM is applied constantly. A better option would be to use `fstrim` periodically -- I use it with a systemd timer.

How am I able to remove the discard option from the linux build so that the image I am going to boot will not show this discard ? /dev/mmcblk0p5 ...

When mounting a file system manually, add the -o discard mount option: # mount -o discard device mount-point. mount -o discard device mount-point. Copy. Copied ...

The purpose is to allow usage of the TRIM command, which allows SSD garbage collection to better wear-level the flash memory, lengthening the life of the chips.

I tried to turn off TRIM (discard) on my ext4 filesystem, but I did not succeed. I tried to add nodiscard option into /etc/fstab , but I can still see this.

Running fstrim on mounted ext4 filesystems yields massive amounts of trimmed space even when these filesystems are mounted with the discard option.

If the filesystem is mounted with discard, then deleting files will automatically cause the TRIM command to be issued. This often has a negative performance ...

discard=async will wait until a later time. These options are old and should only be used with older hardware. The preferred option for newer ...

I have discard enabled, but yet fstrim -v tells me it had trimmed some amount of data, which seems to be proportional to the amount of files deleted.