原帖由 neverno 于 2011-6-29 16:26 发表 
上面那几位,麻烦标准点
dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
[root@puss ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 2.19338 seconds, 122 MB/s
[root@puss ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 2.5747 seconds, 104 MB/s
[root@puss ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 2.19643 seconds, 122 MB/s
[root@puss ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 2.37647 seconds, 113 MB/s |