vladimir.sharun@ukr.net wrote:
# dd if=/dev/da0s1a of=/dev/null bs=32k count=5000 5000+0 records in 5000+0 records out 163840000 bytes transferred in 13.992171 secs (11709405 bytes/sec)
(при этом номинальный load на контроллере в районе 45%)
da0 at ciss0 bus 0 target 0 lun 0 da0:
Fixed Direct Access SCSI-0 device da0: 135.168MB/s transfers da0: 700049MB (1433700976 512 byte sectors: 255H 63S/T 65535C) ciss0:
port 0x3000-0x30ff mem 0xf7ef0000-0xf7ef3fff,0xf7fc0000-0xf7ffffff irq 26 at device 1.0 on pci2
Вот что у меня выходит:
# dd if=/dev/da0s1a of=/dev/null bs=32k count=5000
5000+0 records in
5000+0 records out
163840000 bytes transferred in 2.692043 secs (60860839 bytes/sec)
# dd if=/dev/zero of=test.file bs=32k count=5000
5000+0 records in
5000+0 records out
163840000 bytes transferred in 11.508606 secs (14236303 bytes/sec)
da0 at iir0 bus 2 target 0 lun 0
da0: