Performance harddisk

orginele harddisk

/dev/sda:

 Model=TOSHIBA THNSNK128GVN8, FwRev=K8TA4101, SerialNo=17CS14H7T8GT
 Config={ Fixed }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=0
 BuffType=unknown, BuffSize=unknown, MaxMultSect=16, MultSect=off
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=250069680
 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 
 AdvancedPM=yes: unknown setting WriteCache=enabled
 Drive conforms to: Unspecified:  ATA/ATAPI-3,4,5,6,7

 * signifies the current active mode

tecra:~ # hdparm -T /dev/sda

/dev/sda:
 Timing cached reads:   13074 MB in  1.99 seconds = 6579.23 MB/sec
tecra:~ # hdparm -T /dev/sda

/dev/sda:
 Timing cached reads:   13082 MB in  1.99 seconds = 6583.21 MB/sec
^[[Atecra:~ # hdparm -t /dev/sda

/dev/sda:
 Timing buffered disk reads: 1428 MB in  3.00 seconds = 475.35 MB/sec
tecra:~ # hdparm -t /dev/sda

/dev/sda:
 Timing buffered disk reads: 1404 MB in  3.00 seconds = 467.92 MB/sec
tecra:~ #