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楼主 |
发表于 2011-11-4 00:14:14
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这是医生的35元的:
[root@MyHost35 ~]# dd if=/dev/zero of=test.bin bs=64k count=4k conv=fdatasync && rm -rf test.bin
dd if=/dev/zero of=test.bin bs=64k count=4k oflag=dsync && rm -rf test.bin
dd if=/dev/zero of=test.bin bs=64k count=4k conv=fdatasync && rm -rf test.bin
dd if=/dev/zero of=test.bin bs=64k count=4k oflag=dsync && rm -rf test.bin
dd if=/dev/zero of=test.bin bs=64k count=4k conv=fdatasync && rm -rf test.bin
dd if=/dev/zero of=test.bin bs=64k count=4k oflag=dsync && rm -rf test.bin
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 3.32529 seconds, 80.7 MB/s
[root@MyHost35 ~]# dd if=/dev/zero of=test.bin bs=64k count=4k oflag=dsync && rm -rf test.bin
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 6.75403 seconds, 39.7 MB/s
[root@MyHost35 ~]# dd if=/dev/zero of=test.bin bs=64k count=4k conv=fdatasync && rm -rf test.bin
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 4.01168 seconds, 66.9 MB/s
[root@MyHost35 ~]# dd if=/dev/zero of=test.bin bs=64k count=4k oflag=dsync && rm -rf test.bin
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 6.80427 seconds, 39.5 MB/s
[root@MyHost35 ~]# dd if=/dev/zero of=test.bin bs=64k count=4k conv=fdatasync && rm -rf test.bin
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 3.82429 seconds, 70.2 MB/s
[root@MyHost35 ~]# dd if=/dev/zero of=test.bin bs=64k count=4k oflag=dsync && rm -rf test.bin
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 6.46441 seconds, 41.5 MB/s |
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