On Wed, 29 Jan 2025 11:12:24 -0500 pgnd <pgnd@xxxxxxxxxxxx> wrote: > > mdadm --grow /dev/md2 --raid-devices=4 --size=max --force > > mdadm: cannot change component size at the same time as other changes. > Change size first, then check data is intact before making other changes. > > what's incorrect/missing in that procedure? how do i get the full partitions to be used by the array? Did you try without specifying "--raid-devices" there? -- With respect, Roman