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120-test:/# apt-get install hdparm
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120-test:/home/lai# hdparm -t /dev/sda
/dev/sda:
Timing buffered disk reads: 346 MB in 3.02 seconds = 114.65 MB/sec
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120-test:/home/lai# hdparm -T /dev/sda
/dev/s ......
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.ref ......