On 9. des. 2005, at 11.33, Srebrenko Sehic wrote:
On 12/9/05, Pete Vickers <[EMAIL PROTECTED]> wrote:
for my DL145 (pretty new) I get a reasonable-ish disk I/O of ~60Mb/s
( with CPU at 99% idle)
[EMAIL PROTECTED] /root> dd if=/dev/rwd0a of=/dev/null bs=1m count=1000
1000+0 records in
1000+0 records out
1048576000 bytes transferred in 17.645 secs (59423434 bytes/sec)
[EMAIL PROTECTED] /root>
Try testing read/write into files instead of raw device. Also, try
with smaller block sizes. I bet you will see different results.
yeah, this is pretty poor but consistent ( but cpu use is still
negligible):
[EMAIL PROTECTED] /tmp> dd if=/dev/zero of=junk.data bs=1m count=500
500+0 records in
500+0 records out
524288000 bytes transferred in 68.774 secs (7623327 bytes/sec)
[EMAIL PROTECTED] /tmp>
[EMAIL PROTECTED] /tmp> dd if=/dev/zero of=junk.data bs=512k count=1000
1000+0 records in
1000+0 records out
524288000 bytes transferred in 68.576 secs (7645311 bytes/sec)
[EMAIL PROTECTED] /tmp>
