While installing Debian the partman doesn't allow set an LVM as root file system, cant set / as mountpoint to a LVM filesystem, but when choose "use entire disk and setup LVM" partman comes with a recipe very next to what i want, just make a small /boot partition and I need one bigger because already had system crash with this default setup because of it.
There is a question where people tell it need to be with another tool and is impossible do it with partman but doesn't tell how to switch tool, I believe it is choosing text mode installation and I will try.
Would be nice if there is a way to change the scheme done by partman at any point, change size, mountpoint, label, names, etc.
The recipe "use entire disk and setup LVM" from partman generate it:
I just need it but with bigger /boot
There is this question asking how to expand boot partition in front of LVM and @solsTiCe told to move the boot partition at the end of the drive allowing increase size, with "use entire disk and setup LVM" recipe I can do it but then I will end with boot at end of drive but its so jerry-rigged to do on a fresh install.
There is this page describing it is done with a custom preseed recipe but looks like an overkill and I dont know how to do preseeding partionning recipes load on Debian install.