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java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at com.tibco.matrix.container.bwse.BwseEngine.start(BwseEngine.java:116)
        at com.tibco.matrix.container.bwse.BwseServiceComponentInstance.start(BwseServiceComponentInstance.java:331)
        at com.tibco.matrix.cdk.CompositeBundleService.Ã00000(CompositeBundleService.java:1276)
        at com.tibco.matrix.cdk.CompositeBundleService.startCompositeBundle(CompositeBundleService.java:1235)
        at com.tibco.matrix.amxframework.cdk.CDK.startServiceUnit(CDK.java:218)
        at com.tibco.matrix.amxframework.management.CDKAdaptor.startServiceUnit(CDKAdaptor.java:62)
        at com.tibco.matrix.amxframework.management.ServiceUnit.start(ServiceUnit.java:101)
        at com.tibco.matrix.amxframework.management.ServiceUnit.start(ServiceUnit.java:88)
        at com.tibco.matrix.amxframework.activator.AMXFrameworkActivator.return(AMXFrameworkActivator.java:153)
        at com.tibco.matrix.amxframework.activator.AMXFrameworkActivator.Ã00000(AMXFrameworkActivator.java:126)
        at com.tibco.matrix.amxframework.activator.AMXFrameworkActivator.Ã00000(AMXFrameworkActivator.java:83)
        at com.tibco.matrix.amxframework.activator.AMXFrameworkActivator.start(AMXFrameworkActivator


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 Linux·þÎñÆ÷ÔÚÆô¶¯Ê±ÐèÒªÆô¶¯ºÜ¶àϵͳ·þÎñ£¬ËüÃÇÏò±¾µØºÍÍøÂçÓû§ÌṩÁËLinuxµÄϵͳ¹¦Äܽӿڣ¬Ö±½ÓÃæÏòÓ¦ÓóÌÐòºÍÓû§¡£ÌṩÕâЩ·þÎñµÄ³ÌÐòÊÇÓÉÔËÐÐÔÚºǫ́µÄÊØ»¤½ø³Ì£¨daemons£©À´Ö´Ðеġ£ÊØ»¤½ø³ÌÊÇÉú´æÆÚ³¤µÄÒ»ÖÖ½ø³Ì¡£ËüÃǶÀÁ¢ÓÚ¿ØÖÆÖն˲¢ÇÒÖÜÆÚÐÔµÄÖ´ÐÐijÖÖÈÎÎñ»òµÈ´ý´¦ÀíijЩ·¢ÉúµÄʼþ¡£ËûÃdz£³£ÔÚϵͳÒýµ¼×°È ......

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[root@apl mail]# w
 17:38:08 up 2 days,  1:58,  5 users,  load average: 0.04, 0.09, 0.06
USER     TTY      from              LOGIN@   IDLE   JCPU&nb ......

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¹ØÓÚIOCTLÇý¶¯µÄ±àд·½·¨LDDÕâ±¾ÊéȷʵдµÄ±È½ÏÃ÷°×ÁË£¬ÔÚÕâÄØÎҾͼòµ¥µÄ×öÒ»¸ö½éÉÜ¡£ÕâÀïÎÒÖ÷ÒªÃèÊö×Ô¼º±àдIOCTLÇý¶¯Ê±ËùÓöµ½µÄÎÊÌâ¼°ÆäÔ­Òò¡£
    Çý¶¯ÀïµÄioctlº¯ÊýÖ÷ҪʵÏÖ²»ÓÃread,writeº¯ÊýµÄÓëÓû§¿Õ¼äµÄ¼òµ¥Êý¾Ý½»»¥¼°ÎÞ²ÎÊýµÄÃüÁî¿ØÖÆ¡£ÄÇôÎÒÃÇÈçºÎʵÏÖÕ⼸ÖÖ¹¦ÄܵÄIOCTLº¯ÊýÄØ£¿ioctlÇý¶¯ÖÐÒÔS ......

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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 ......
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