Re: hdparm

[Sarunas Burdulis <sarunas@math.dartmouth.edu>]

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faz faz wrote:
> Hi to all!
> I have an acer travelmate 800lci with sarge installed, and i want to
> know if my ide hdd settings are right..
> the problem is that when i watch some divx the stream hangs sometimes
> and the audio too..
> i paste some info:
> 
> Model Number:       IC25N040ATMR04-0
> 
> /dev/hda:
>  multcount    = 16 (on)
>  IO_support   =  3 (32-bit w/sync)
>  unmaskirq    =  1 (on)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    = 256 (on)
>  geometry     = 16383/255/63, sectors = 78140160, start = 0
> 
> 
> 
> DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5
> 
> udma5 should be very good, but when i make hdparm -tT /dev/hda i got
> these bad statistics
> 
> /dev/hda:
>  Timing cached reads:   1588 MB in  2.00 seconds = 795.54 MB/sec
>  Timing buffered disk reads:   10 MB in  4.05 seconds =   2.47 MB/sec
I would suggest you to try verifying the above with bonnie++ utility.

Sarunas
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