# pvs
  PV         VG    Fmt  Attr PSize    PFree   
  /dev/sdc2  vdisk lvm2 a--  <232,00g 1012,00m
  /dev/sdd2  vdisk lvm2 a--  <444,91g   <3,90g

# vgs
  VG    #PV #LV #SN Attr   VSize   VFree 
  vdisk   2   3   0 wz--n- 676,90g <4,89g

# lvs
  LV    VG    Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  home  vdisk rwi-aor--- 175,00g                                    100,00          
  root  vdisk rwi-aor---  56,00g                                    100,00          
  steam vdisk -wi-ao---- 210,00g                                                    

# hdparm -i /dev/sdc

/dev/sdc:

 Model=Samsung SSD 840 EVO 250GB, FwRev=EXT0CB6Q, SerialNo=S1DBNSBF721669N
 Config={ Fixed }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
 BuffType=unknown, BuffSize=unknown, MaxMultSect=1, MultSect=1
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=488397168
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio1 pio2 pio3 pio4 
 DMA modes:  mdma0 mdma1 mdma2 
 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 
 AdvancedPM=no WriteCache=enabled
 Drive conforms to: unknown:  ATA/ATAPI-2,3,4,5,6,7

 * signifies the current active mode

# hdparm -i /dev/sdd

/dev/sdd:

 Model=ST480HM000-1G5162, FwRev=C675, SerialNo=Z4P005JD
 Config={ Fixed }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
 BuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=off
 (maybe): CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=988494192
 IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
 PIO modes:  pio0 pio3 pio4 
 DMA modes:  mdma0 mdma1 mdma2 
 UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6 
 AdvancedPM=no WriteCache=enabled
 Drive conforms to: unknown:  ATA/ATAPI-4,5,6,7

 * signifies the current active mode


mount | grep root
/dev/mapper/vdisk-root on / type btrfs (rw,relatime,ssd,autodefrag,compress=lzo,space_cache)