grub devicemap:
(hd0)	/dev/sda

pvdisplay:
  --- Physical volume ---
  PV Name               /dev/sda5
  VG Name               plasma
  PV Size               7.76 GiB / not usable 2.00 MiB
  Allocatable           yes (but full)
  PE Size               4.00 MiB
  Total PE              1986
  Free PE               0
  Allocated PE          1986
  PV UUID               LR1UyH-3bVH-gOkU-ja5S-YUVY-Iuoz-1oeICI

  --- Physical volume ---
  PV Name               /dev/sdb1
  VG Name               plasma
  PV Size               2.00 GiB / not usable 4.00 MiB
  Allocatable           yes
  PE Size               4.00 MiB
  Total PE              511
  Free PE               307
  Allocated PE          204
  PV UUID               lU0Shh-Nwar-nyEp-0Ehs-gKYB-sGQV-QNTBnS