13 Dec
2006
13 Dec
'06
15:42
Johannes Niess wrote:
stingray ~ # dd if=/dev/zero of=/dev/pktcdvd/dvdrw bs=32768 count=25000 25000+0 records in 25000+0 records out 819200000 bytes (819 MB) copied, 86.3305 seconds, 9.5 MB/s
stingray ~ # dd if=/dev/zero of=/dev/pktcdvd/dvdrw bs=32769 count=25000 25000+0 records in 25000+0 records out 819225000 bytes (819 MB) copied, 1312.45 seconds, 624 kB/s
These two commands appear to be exactly the same, yet have different results. Can you explain this? Also make sure /dev/hdc is using the noop io scheduler. -- To unsubscribe, e-mail: packet-writing+unsubscribe@opensuse.org For additional commands, e-mail: packet-writing+help@opensuse.org