On 08.06.2018 23:36, Nataraj wrote: > On 06/08/2018 12:34 PM, Ulf Volmer wrote: >> issue_discards = 1 >> >> in /etc/lvm/lvm.conf. > I believe that it is possible to use trim on an LVM, but I don't think > that is what that option is. In my /etc/lvm/lvm.conf file, it describes > that option as follows: trust me, that's exactly the option to enable trim on LVM devices. The link you posted below says also the same. > https://unix.stackexchange.com/questions/85865/trim-with-lvm-and-dm-crypt best regards Ulf