[ltp] hdparm params for 7k60 drive

[linux-thinkpad@linux-thinkpad.org]

I'm using these hdparm settings with my harddrive and combo DVD/CDR unit (emulating SCSI):

hdparm -X66 -d1 -u1 -m16 -c3 -K /dev/hda
hdparm -d1 -u1 -c3 -K /dev/hdc

Do you see any room for improvement?

Brian
> André Wyrwa wrote:
> > Hi,
> > 
> > 
> >>/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    = 256 (on)
> >>  geometry     = 65535/16/63, sectors = 78140160, start = 0
> > 
> > 
> > Try -c 3 or at least -c 1, enables 32-bit IO-support, which should make
> > your drive even faster.
> > 
> > 
> >>  Model=HTS548040M9AT00, FwRev=MG2OA55A, SerialNo=MRL221L2GA7NLB
> > 
> > 
> > There it is...you have a different model...
> > 
> > 
> >>  BuffType=DualPortCache, BuffSize=7877kB, MaxMultSect=16, MultSect=16
> > 
> > 
> >  ...with a lot bigger buffer. Mine is 1768kB, just as Timos.
> > Is guess this isnt software adjustable?
> > 
> > 
> >>  Drive conforms to: ATA/ATAPI-6 T13 1410D revision 3a:
> > 
> > 
> > My drive states ATA/ATAPI-5 here.
> > 
> > What is the "marketing" name of your drive?
> > 
> > Andre.
> > 
> > 
> 
> after -c 3:
> 
> /dev/hda:
>   Timing buffer-cache reads:   1912 MB in  2.00 seconds = 955.19 MB/sec
>   Timing buffered disk reads:  110 MB in  3.04 seconds =  36.18 MB/sec
> 
> It's the Travelstar 5K80: http://www.hgst.com/hdd/support/5k80/5k80.htm 
>   It's also really quiet, much quieter than my old Dell Latitude D600's 
> Travelstar (40GNX, I think - also a 5400rpm Hitachi with 8 MB cache but 
> ATA-5 only and without the "noise reduction using a VCM Damper" this 
> 5K80 has).  They also claim that using "adaptive formatting" the 5K80 is 
>    about 10 MB/sec faster than a 40GX, which seems to be true (got about 
> 26 MB/sec with the 40GX)
> 
> - Chun-Yu
> -- 
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