a typo error in my last mail makes it incomprenhensible so > other note jonathan the box im using doesnt support the > whole drive, > but bsd's kernel DOES once its loaded, i fear the **** > rawdevices would > bring me back to the unsupported drive in bios issue, > > would raw dev use my bios's specs, or the bsd's > specs, > > ill peek at the src, but if someone could comment that.. > > > cheers ! > > neko >
> > --- On Mon, 8/25/08, Jonathan Gray <[EMAIL PROTECTED]> > > wrote: > > > > This hits the buffer cache, use raw devices for > > anything > > apart > > from mounting, ie /dev/rwd0c Neko wrote: > > > Hi all, > > > > > > having a 250 GB drive on a PATA strip using > > > lowest PIO > > > mode (without dma if possible), drive specs show a 8 > > > MB > > > buffer , > > > > > > 2 cases are : on same pata strip, one on each > > > strip, > > > > > > important to note that the booted drive is the > > > if's straight up to my slave. > > > (yea i know ill have to run fsck afterwards since > > > itll > > > think it still mounted) > > > and having no user but su himself. > > > > > > i had ran mine at 4mb block space thinking ill > > > use the > > > 16mb bus transfer > > > divided at most in 4, per second, but i achieved > > > that > > > in a minute instead. > > > this is really poor performance, 3 days for > > > 250gb > > > transfer at 4mb bs > > > > > > dd if=/dev/wd0c of=/dev/wd1c bs=4m > > > neko