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发表于 2011-11-13 17:08:18
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[wusir@wusir ~]$ 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, 3.67302 seconds, 73.1 MB/s
[wusir@wusir ~]$ 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, 6.20509 seconds, 43.3 MB/s
[wusir@wusir ~]$ 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, 5.76115 seconds, 46.6 MB/s
[wusir@wusir ~]$ 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, 7.30033 seconds, 36.8 MB/s |
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