linux hd speed

[V13]

On Sunday 14 December 2003 13:51, Antonis Sidiropoulos wrote:
> Yparxei kanena utility
> pou na metraei to performance twn partitions ?
>
> Thelw na brw poios diskos/partition exei kalytero performance
> sto mixanima mou, wste na xrhsimopoiw auto gia
> pragmata pou theloun poly disk i/o.

Ligo xlomo to kobo na yparxei tetoio programma mias kai den mporeis na 
metriseis 'taxythta partition'...

H taxythta toy partition eksartatai apo poloys paragontes opos to ti exei 
mesa, to fragmentation, to filesystem, thn ekdosi toy kernel k.a. kai sigoyra 
den menei statheri sto xrono...

An pali enoeis thn taxythta toy diskoy gia kapoio sygkekrimenh perioxh ths 
epifaneias toy, tote kai pali den einai stathero kati tetoio mias kai 
eksartatai kai apo to ti alla requests eksyphretei o diskos... Kata kanona ta 
poio grygora partition einai ayta poy briskontai sto meso (meso opos leme 
'mesos oros' kai oxi opos leme 'sth mesh') ton dedomenon poy diabazeis syxna 
oste na apofeygeis ta megala seek times. Aytos einai kai o logos poy synithos 
theleis to swap na einai se ena endiameso partition.

An tora thes na breis se poio shmeio o diskos soy ta paei kalytera, tote AFAIK 
oi diskoi einai statheroi se ola ta merh toys mias kai exoyn statherh goniaki 
taxythta kai iso arithmo sectors/cylinder (asxetos me to an einai sto kentro 
h sto ekso meros)

> A.
<<V13>>