設定を調べる
[kaworu@u0 ~]$ sudo hdparm /dev/sda
/dev/sda:
multcount = 0 (off)
IO_support = 1 (32-bit)
readonly = 0 (off)
readahead = 256 (on)
geometry = 20023/255/63, sectors = 321672960, start = 0
HDDの情報を取得
[kaworu@u0 ~]$ sudo hdparm -i /dev/sda
/dev/sda:
Model=HDS722516VLSA80, FwRev=V34OA63A, SerialNo=VN6D3ECDCVSPUD
Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
BuffType=DualPortCache, BuffSize=7938kB, MaxMultSect=16, MultSect=off
CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=321672960
IORDY=on/off, tPIO={min:240,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
AdvancedPM=yes: disabled (255) WriteCache=enabled
Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a: ATA/ATAPI-2,3,4,5,6
* signifies the current active mode