[ltp] t40 Hard drive performence

[Satish Balay]

On Tue, 23 Dec 2003, Dan Borello wrote:

> I have a t40 with the 80gb HD.  I have noticed the hard drive is very
> laggy, browsing around the harddrive is not snappy.  According to
> Fabbrice Bellet's page he gets about 26MB/sec out of his drive (same
> one).  
> 
> I am only getting 17MB/sec.  I have set everything identical to his. 
> Any suggestions?  The partition is ext3 (if that is important).
> 
> Thanks, 
> dan
> 
> stryker:/sys/bus/ide/drivers/ide-disk# hdparm -i -v /dev/hda
>  
> /dev/hda:
>  multcount    = 16 (on)
>  IO_support   =  3 (32-bit w/sync)
>  unmaskirq    =  0 (off)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    =  8 (on)
>  geometry     = 65535/16/63, sectors = 150198690, start = 0
>  
>  Model=IC25N080ATMR04-0, FwRev=MO4OAD0A, SerialNo=MRG420K4GAG3RC
>  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
>  BuffType=DualPortCache, BuffSize=7884kB, MaxMultSect=16, MultSect=16
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=150198690
>  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: mode=0x80 (128) WriteCache=enabled
>  Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:
>  
>  * signifies the current active mode
>  
> stryker:/sys/bus/ide/drivers/ide-disk# hdparm -t /dev/hda
>  
> /dev/hda:
>  Timing buffered disk reads:   54 MB in  3.11 seconds =  17.35 MB/sec

Not sure if this helps - I run fedora core 1 on the same HDD (with cpudyn)

[asterix]:  hdparm -i -v /dev/hda

/dev/hda:
 multcount    = 16 (on)
 IO_support   =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  1 (on)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    =  8 (on)
 geometry     = 9933/240/63, sectors = 150198690, start = 0

 Model=IC25N080ATMR04-0, FwRev=MO4OAD0A, SerialNo=MRG457K4GARHJH
 Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
 RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=4
 BuffType=DualPortCache, BuffSize=7884kB, MaxMultSect=16, MultSect=16
 CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=150198690
 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: mode=0x80 (128) WriteCache=enabled
 Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a: 

 * signifies the current active mode

[asterix]:  hdparm -t /dev/hda

/dev/hda:
 Timing buffered disk reads:   86 MB in  3.02 seconds =  28.48 MB/sec
[asterix]: