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120G SSD ×2 的30欧
[root@SSD ~]# dd if=/dev/zero of=iotest bs=64k count=16k conv=fdatasync && rm -fr iotest
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 6.1922 s, 173 MB/s
[root@SSD ~]# dd if=/dev/zero of=iotest bs=64k count=16k conv=fdatasync && rm -fr iotest
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 6.19721 s, 173 MB/s
2TB SATA ×2 的30欧
[root@SATA ~]# dd if=/dev/zero of=iotest bs=64k count=16k conv=fdatasync && rm -fr iotest
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 5.53828 s, 194 MB/s
[root@SATA ~]# dd if=/dev/zero of=iotest bs=64k count=16k conv=fdatasync && rm -fr iotest
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 5.43927 s,
197 MB/s
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