This maintains SSD performance by managing unused blocks. Thin-provisioned storage systems also require management to prevent unnecessary storage use. VMs automate fstrim, while LXC containers need manual or automated fstrim processes for optimal performance.
This is designed to work with SSDs on ext4 filesystems only. More Info
Run the command below in the Proxmox VE Shell.
bash -c "$(wget -qLO - https://github.com/community-scripts/ProxmoxVE/raw/main/misc/fstrim.sh)"