10 Nov
2005
10 Nov
'05
3:06 a.m.
On 11/9/05, 9000 VAX <vax9000 at gmail.com> wrote:
OK, maybe you are right. The write operation should be faster. The OS
latency there is smaller. It was my controller that slowed down the
write operation. I need to take a look to find out why.
vax, 9000
dd if=syssrc.tar of=/dev/null bs=16k count=1000
16384000 bytes transferred
in 21 secs (780190 bytes/sec)
dd if=/dev/zero of=blah.null bs=16k
count=1000
16384000 bytes transferred in 35 secs (468114 bytes/sec)
I suspect the write will be faster, and reflect the true speed of the i/o.
It is
the opposite. strange.