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Richard Watson napsal(a): |
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> Hi - I'm getting vastly different performance results on hda (master) as |
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> opposed to hdb (slave). Basically when my root partition mounts (/dev/hdb) |
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> I'm warned that DMA is off, yet hdparm -i shows udma as active. Basically |
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> /dev/hdb performance sucks ... I've bought both drives in the last few |
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> months. The motherboard is quite old (3 years .. I think). |
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> |
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> Any suggestions would be appreciated. |
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> -- |
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> Thanks - Richard |
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> |
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> ============================= |
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> |
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> /dev/hda: |
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> Timing cached reads: 1360 MB in 2.00 seconds = 678.75 MB/sec |
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> Timing buffered disk reads: 146 MB in 3.03 seconds = 48.22 MB/sec |
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> |
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> /dev/hdb: |
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> Timing cached reads: 1376 MB in 2.00 seconds = 687.42 MB/sec |
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> Timing buffered disk reads: 10 MB in 3.51 seconds = 2.85 MB/sec |
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> |
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> /dev/hda: |
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> |
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> Model=Maxtor 6Y120P0, FwRev=YAR41BW0, SerialNo=Y36DHLVE |
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> Config={ Fixed } |
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> RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57 |
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> BuffType=DualPortCache, BuffSize=7936kB, MaxMultSect=16, MultSect=16 |
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> CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=240121728 |
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> IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} |
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> PIO modes: pio0 pio1 pio2 pio3 pio4 |
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> DMA modes: mdma0 mdma1 mdma2 |
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> UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 udma6 |
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> AdvancedPM=yes: disabled (255) WriteCache=enabled |
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> Drive conforms to: (null): |
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> |
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> * signifies the current active mode |
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> |
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> |
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> /dev/hdb: |
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> |
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> Model=ST3200826A, FwRev=3.03, SerialNo=5ND0CVYX |
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> Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } |
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> RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4 |
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> BuffType=unknown, BuffSize=8192kB, MaxMultSect=16, MultSect=16 |
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> CurCHS=65535/1/63, CurSects=4128705, LBA=yes, LBAsects=268435455 |
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> IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120} |
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> PIO modes: pio0 pio1 pio2 pio3 pio4 |
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> DMA modes: mdma0 mdma1 mdma2 |
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> UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5 |
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> AdvancedPM=no WriteCache=enabled |
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> Drive conforms to: device does not report version: |
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> |
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> * signifies the current active mode |
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> |
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> |
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|
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maybe they dont like each other, try to plug second hd to another |
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controller (hdc/hdd) |
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|
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T.B. |
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|
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-- |
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