Achim Theobald wrote:
server:~ # hdparm -i /dev/hda
/dev/hda:
Model=WDC WD3200AAJB-00J3A0, FwRev=01.03E01, SerialNo=WD-WCAV20413502 Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq } RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50 BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=16 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455 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: Unspecified: ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7
- signifies the current active mode
server:~ # hdparm -Tt /dev/hda
/dev/hda: Timing cached reads: 13072 MB in 2.00 seconds = 6541.07 MB/sec Timing buffered disk reads: 8 MB in 3.04 seconds = 2.63 MB/sec
aus der manpage von hdparm: | Some drives, however (most notably the WD Caviar series), seem to run | slower with multiple mode enabled
ich würde also als erstes ein erstes ein $ hdparm -m0 /dev/hda versuchen.
(oder -m4 -m8 etc.)