20 Nov
2008
20 Nov
'08
08:30
Randall R Schulz wrote:
On Wednesday 19 November 2008 10:12, Per Jessen wrote:
dd if=/tmp/file1 of=/tmp/file2 bs=1M
27m28s 13Mb/sec
dd if=/tmp/file1 of=/tmp/file2 bs=1000M
17m34s 20Mb/sec
That's not really a correct computation. Every byte (or sector or whatever) must be read once and written once, and you have to account for both the read and the write traffic.
I didn't compute it, I was just quoting from the dd output. /Per -- /Per Jessen, Zürich -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org