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补差价换了SSD 检查一下。 还是HDD.
我是真小白。还是他当我是小白?
Hello Dear First of all we want to inform to you We have installed a much more costlier and better performance disk.its a SAS Disk Which is faster then SSD
We dont think it will effect yours working performance? even it will improve a performance for sure.
you can check a Difference Between SAS and SSD on Google
Regards,
dd结果
time dd if=/dev/zero of=/data/test bs=8k count=8388608
8388608+0 records in
8388608+0 records out
68719476736 bytes (69 GB) copied, 265.833 s, 259 MB/s
real 4m26.096s
user 0m11.047s
sys 1m25.968s
dd if=/dev/zero of=test bs=64k count=16k oflag=dsync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 27.283 s, 39.4 MB/s |
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