29 Apr
2013
29 Apr
'13
2:05 p.m.
On 29/04/13 20:21, James Harper wrote:
dd if=/dev/zero of=test.bin bs=512 count=128 oflag=sync hi
------------------box 1 $ uname -r 3.8.8-203.fc18.i686.PAE (32 bit Fedora 18) disk mdadm RAID 5 array over 4*1TB 7200 SATA disks $ dd if=/dev/zero of=test.bin bs=512 count=128 oflag=sync 128+0 records in 128+0 records out 65536 bytes (66 kB) copied, 0.176816 s, 371 kB/s ------------------box 2 $ uname -r 3.8.8-203.fc18.x86_64 (64 bit Fedora 18) disk ext4 of Samsung SSD $ dd if=/dev/zero of=test.bin bs=512 count=128 oflag=sync 128+0 records in 128+0 records out 65536 bytes (66 kB) copied, 1.30531 s, 50.2 kB/s Steve