Cache size of the hard drive?

[Qiuli Han]

thanks alot

that is exactly what i am looking for!!!

On Sat, May 31, 2008 at 3:57 PM, Vincent Trouilliez <
vincent.trouilliez at modulonet.fr> wrote:

> On Sat, 31 May 2008 15:14:41 -0400
> "Qiuli Han" <ivyharry at gmail.com> wrote:
>
> > I am trying to see how much cache does my hard drive have. I installed
> > hwinfo, but it only gives me some hardware vendor information and system
> > location information.
> >
> > Is there anyway I can see my disk's cache size?
> >
> > running 8.04, hard disk is: WDC WD3200KS-00P (as per hwinfo)
>
> Hi,
>
> no need to install extra software ;-)
> You can just use hdparm, here is an example on my hard drive
> (replace sda with the relevant device name of your own drive of course).
>
> -----------------------------
> $ sudo hdparm -i /dev/sda
> [sudo] password for vincent:
>
> /dev/sda:
>
>  Model=SAMSUNG HD502IJ                         , FwRev=1AA01110,
> SerialNo=S13TJDWQ412337 Config={ Fixed }
>  RawCHS=16383/16/63, TrkSize=34902, SectSize=554, ECCbytes=4
>  BuffType=DualPortCache, BuffSize=16384kB, MaxMultSect=16, MultSect=?16?
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=976773168
>  IORDY=on/off, tPIO={min:120,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 *udma6
>  AdvancedPM=yes: disabled (255) WriteCache=enabled
>  Drive conforms to: unknown:  ATA/ATAPI-3,4,5,6,7
> --------------------------------
>
> My drive has 16MB of cache, it is described above as "BuffSize=16384kB".
>
> You can also use hdparm -I (upper case 'i') to display even more
> information about your drive.
>
> Just run "man hdparm" to see all the options available ;-)
>
> --
> Vince
>
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