Hi,

        If your motherboard/disk support ATA66 you can try :

image=/boot/vmlinuz
        label=linux
        read-only
        root=/dev/hda6
        append="idebus=66"

in your lilo.conf. This will work with the 2.4 kernel.

There should be a massive difference in performance thereafter.

-Avinash

On Wed, 14 Feb 2001, Rajesh Fowkar wrote:

> Hi,
> 
> The hard disk at my office which is 8GB seems to give better performance compared 
> to my home hard disk 17GB ?
> 
> As Shridhar pointed out his hdparm tests give the following output.
> 
>  Timing buffer-cache reads:   = around 130MB/sec
>  Timing buffered disk reads:  =  20 MB/sec
> 
> On my office hard disk it is around the same as above after doing
> 
> hdparm -a1 -c1 -d1 /dev/hda
> 
> 
> On my home PC with 17GB seagate Hard disk I have compiled DMA support into the kernel
> ( kernel 2.4 ) and I do hdparm -a1 -c1 /dev/hda during startup. But I get the 
>following
> test results which are very low. :
> 
> debian:~# hdparm -tT /dev/hda
> 
> /dev/hda:
>  Timing buffer-cache reads:   128 MB in  2.09 seconds = 61.24 MB/sec
>  Timing buffered disk reads:  64 MB in 13.38 seconds =  4.78 MB/sec
> 
> ------------------------------------------------
> debian:~# hdparm  /dev/hda 
> 
> /dev/hda:
>  multcount    =  0 (off)
>  I/O support  =  1 (32-bit)
>  unmaskirq    =  0 (off)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  nowerr       =  0 (off)
>  readonly     =  0 (off)
>  readahead    =  1 (on)
>  geometry     = 2096/255/63, sectors = 33683328, start = 0
> debian:~# 
> ------------------------------------------------
> 
> Can anybody point out what could be the reason for this and what I can do to 
>increase the
> performance of my Hard Disk. I am on Debian.
> 
> Thanks in advance.
> 
> Regards
> 
> 

-- 

----------------------------------------------------------------------
Avinash Shenoy                          
National Centre for Biological Sciences
Bangalore.
E-mail : [EMAIL PROTECTED]            Ph:+91-80-8561658/9, Ext 3010
                                                  
     


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