unabel

Hi everybody, I'm trying to install PVE 4.4 on a HP server (it has 2 SDD Raid 1) but when the installation get to the 5% ("creating root filesystem") it gives "unable to mount /dev/pve/root". Then I press CTRL+ALT+F2, I can see this lines: mount: /dev/mapper/pve-root: can't read superblock...