On 2020-01-09 06:22, Hamd wrote:
Joe, are you a joke? Please stop insulting me, this is not my/your_personal_fancy_forum. This will be my last post here in misc. Default setups, no config. changes. Just patches installed. Same hardware. FreeBSD: freebsd@test:~ # time sh -c "dd if=/dev/zero of=test.tmp bs=4k count=50000 && sync" 50000+0 records in 50000+0 records out 204800000 bytes transferred in 0.239590 secs (854792500 bytes/sec) 0.000u 0.195s 0:00.25 76.0% 22+198k 0+1568io 0pf+0w Result: *854.79 MB/s disk speed* freebsd@test:~ # uname -a FreeBSD test.local 12.1-RELEASE-p1 FreeBSD 12.1-RELEASE-p1 GENERIC amd64 OpenBSD: test$ time sh -c "dd if=/dev/zero of=test.tmp bs=4k count=50000 && sync" 50000+0 records in 50000+0 records out 204800000 bytes transferred in 12.303 secs (16645247 bytes/sec) 0m12.32s real 0m00.13s user 0m01.28s system Result: *16.64 MB/s disk speed*
[snip] probook$ dd if=/dev/zero of=test.tmp bs=4k count=50000 && sync 50000+0 records in 50000+0 records out 204800000 bytes transferred in 0.731 secs (280047607 bytes/sec) I'm getting well over 250MB/s on my laptop. Is your hard drive attached as an sd or wd device?