[CentOS] Convert from LVM

[Matt]

> On 08.06.2018 19:11, Matt wrote:
>> I have a Centos 7 install using EXT4 on LVM.  Its running as a VM
>> inside KVM.  Issue I have run into is that fstrim does not work due to
>> the LVM.  Without fstrim snapshots have gotten huge.  Is there a way
>> convert it from LVM to non-LVM without a complete reinstall?
>
> please consider to enable trim over LVM. You have just to set
>
> issue_discards = 1
>
> in /etc/lvm/lvm.conf.

Does that still work if it is not a THIN LVM?