Disk I/O - too slow?

[Alexander Dalloz]

Am Di, den 24.02.2004 schrieb Don Levey um 02:30:
> On Sun, 2004-02-22 at 05:15, Dean Mumby wrote:
> 
> I have a intel d865perl mb with hyperthreading , sata , and all the same
> features , i installed fedora , redhat 9, etc with legacy mode and then
> simply switched to enhanced mode and i am running fine. did you check
> wether your system had enabled dma
> 
>  hdparm -tT /dev/sda
> 
> /dev/sda:
>  Timing buffer-cache reads:   3568 MB in  2.00 seconds = 1784.00 MB/sec
>  Timing buffered disk reads:  166 MB in  3.00 seconds =  55.33 MB/sec
> 
> not slow at all
> ----------------
> 
> So...  I've got DMA enabled, Multiple I/O, EIDE 32-bit and lookahead
> enabled in my /etc/sysconfig/harddisks file.  Running that hdparm line
> gives me:
> 
> /dev/hdb: 
> Timing buffer-cache reads:   1204 MB in  2.00 seconds = 601.49 MB/sec
> Timing buffered disk reads:   96 MB in  3.00 seconds =  31.97 MB/sec
> 
> ...clearly *not* fast.  This is a Maxtor Diamond ATA 120Gb drive,
> 7200rpm, on an ASUS A7V8X-X mb.  I'm running FC1 with a 2.6.3 kernel
> from kernel.org.  Any suggestions for speeding up my I/O (or more info
> to provide)?
> 
> TIA,  -Don

Just let hands off /etc/sysconfig/harddisks.

Alexander


-- 
Alexander Dalloz | Enger, Germany | GPG key 1024D/ED695653 1999-07-13
Fedora GNU/Linux Core 1 (Yarrow) on Athlon CPU kernel 2.4.22-1.2174.nptl
Sirendipity 02:51:36 up 4 days, 4:25, load average: 0.18, 0.16, 0.17 
                   [ Γνωθι σ'αυτον - gnothi seauton ]