{"id":356,"date":"2016-01-14T19:16:10","date_gmt":"2016-01-14T11:16:10","guid":{"rendered":"http:\/\/cn.hostease.com\/xueyuan\/?p=356"},"modified":"2016-01-14T19:16:10","modified_gmt":"2016-01-14T11:16:10","slug":"linux-hdparm%e5%b7%a5%e5%85%b7%e5%8f%82%e6%95%b0%e8%af%a6%e8%a7%a3%e3%80%81%e7%a1%ac%e7%9b%98%e6%a3%80%e6%9f%a5%e3%80%81%e6%b5%8b%e9%80%9f%e7%ad%89","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/xueyuan\/jishu\/linux\/linux-hdparm%e5%b7%a5%e5%85%b7%e5%8f%82%e6%95%b0%e8%af%a6%e8%a7%a3%e3%80%81%e7%a1%ac%e7%9b%98%e6%a3%80%e6%9f%a5%e3%80%81%e6%b5%8b%e9%80%9f%e7%ad%89\/","title":{"rendered":"Linux-hdparm\u5de5\u5177\u53c2\u6570\u8be6\u89e3\u3001\u786c\u76d8\u68c0\u67e5\u3001\u6d4b\u901f\u7b49"},"content":{"rendered":"

hdparm\u7684\u529f\u80fd:\u663e\u793a\u4e0e\u8bbe\u5b9a\u786c\u76d8\u7684\u53c2\u6570.hdparm\u53ef\u68c0\u6d4b,\u663e\u793a\u4e0e\u8bbe\u5b9aIDE\u6216SCSI\u786c\u76d8\u7684\u53c2\u6570.<\/p>\n

 <\/p>\n

\u8bed\u6cd5:<\/p>\n

hdparm\u00a0[options\u9009\u9879(\u53c2\u6570)]\u00a0[device(\u8bbe\u5907)…]<\/p>\n

\u53c2\u6570:<\/p>\n

-a<\u5feb\u901f\u5206\u533a>\u00a0\u00a0\u8bbe\u5b9a\u8bfb\u53d6\u6587\u4ef6\u65f6,\u9884\u5148\u5b58\u5165\u5757\u533a\u7684\u5206\u533a\u6570,\u82e5\u4e0d\u52a0\u4e0a<\u5feb\u901f\u5206\u533a>\u9009\u9879,\u600e\u663e\u793a\u76ee\u524d\u7684\u8bbe\u5b9a;<\/p>\n

-A<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u542f\u52a8\u6216\u5173\u95ed\u8bfb\u53d6\u6587\u4ef6\u65f6\u7684\u5feb\u53d6\u529f\u80fd;<\/p>\n

-c\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9aIDE32\u4e3aI\/O\u6a21\u5f0f;<\/p>\n

-C\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u68c0\u6d4bIDE\u786c\u76d8\u7684\u7535\u6e90\u7ba1\u7406\u6a21\u5f0f;<\/p>\n

-d<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9a\u78c1\u76d8\u7684DMA\u6a21\u5f0f;<\/p>\n

-f\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5c06\u5185\u5b58\u7f13\u51b2\u533a\u7684\u6570\u636e\u5199\u5165\u786c\u76d8,\u5e76\u6e05\u9664\u7f13\u51b2\u533a<\/p>\n

-g\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u663e\u793a\u786c\u76d8\u7684\u78c1\u8f68,\u78c1\u5934,\u78c1\u533a\u7b49\u53c2\u6570;<\/p>\n

-h\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u663e\u793a\u5e2e\u52a9<\/p>\n

-i\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u663e\u793a\u786c\u76d8\u7684\u786c\u4ef6\u89c4\u683c\u4fe1\u606f,\u8fd9\u4e9b\u4fe1\u606f\u662f\u5728\u5f00\u673a\u65f6\u7531\u786c\u76d8\u672c\u8eab\u6240\u63d0\u4f9b;<\/p>\n

-I\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u76f4\u63a5\u8bfb\u53d6\u786c\u76d8\u6240\u63d0\u4f9b\u7684\u786c\u4ef6\u89c4\u683c\u4fe1\u606f;<\/p>\n

-k<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u91cd\u8bbe\u786c\u76d8\u65f6,\u4fdd\u7559-dmu\u53c2\u6570\u7684\u8bbe\u5b9a;<\/p>\n

-K<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u91cd\u8bbe\u786c\u76d8\u65f6,\u4fdd\u7559-APSWXZ\u53c2\u6570\u7684\u8bbe\u5b9a;<\/p>\n

-m<\u78c1\u533a\u6570>\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9a\u786c\u76d8\u591a\u91cd\u5206\u533a\u5b58\u53d6\u7684\u5206\u533a\u6570;<\/p>\n

-n<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5ffd\u7565\u786c\u76d8\u5199\u5165\u65f6\u6240\u53d1\u751f\u7684\u9519\u8bef;<\/p>\n

-p\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9a\u786c\u76d8\u7684PIO\u6a21\u5f0f;<\/p>\n

-P<\u78c1\u533a\u6570>\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9a\u786c\u76d8\u5185\u5b58\u5feb\u53d6\u7684\u5206\u533a\u6570;<\/p>\n

-q\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u6267\u884c\u540e\u7eed\u7684\u53c2\u6570\u65f6,\u4e0d\u5728\u5c4f\u5e55\u4e0a\u00a0\u663e\u793a\u4efb\u4f55\u4fe1\u606f;<\/p>\n

-r<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9a\u786c\u76d8\u7684\u8bfb\u5199\u6a21\u5f0f;<\/p>\n

-S<\u65f6\u95f4>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9a\u786c\u76d8\u8fdb\u5165\u7701\u7535\u6a21\u5f0f\u524d\u7684\u7b49\u5f85\u65f6\u95f4;
-t\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bc4\u4f30\u786c\u76d8\u7684\u8bfb\u53d6\u6548\u7387;<\/p>\n

-T\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bc4\u4f30\u786c\u76d8\u5feb\u53d6\u7684\u8bfb\u53d6\u6548\u7387;<\/p>\n

-u<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5728\u786c\u76d8\u8bfb\u53d6\u65f6,\u5141\u8bb8\u5176\u4ed6\u4e2d\u65ad\u8981\u6c42\u540c\u65f6\u6267\u884c;<\/p>\n

-v\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u663e\u793a\u786c\u76d8\u7684\u76f8\u5173\u8bbe\u5b9a;<\/p>\n

-W<0\/1>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u8bbe\u5b9a\u786c\u76d8\u7684\u5199\u5165\u5feb\u53d6;<\/p>\n

-X<\u4f20\u8f93\u6a21\u5f0f>\u00a0\u00a0\u8bbe\u5b9a\u786c\u76d8\u7684\u624d\u4f20\u8f93\u6a21\u5f0f;<\/p>\n

-y\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f7f\u7528IDE\u786c\u76d8\u8fdb\u5165\u7701\u7535\u6a21\u5f0f;<\/p>\n

-Y\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u4f7f\u7528IDE\u786c\u76d8\u8fdb\u5165\u7761\u7720\u6a21\u5f0f;<\/p>\n

-Z\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u5173\u95ed\u67d0\u4e9bSeagate\u786c\u76d8\u7684\u81ea\u52a8\u7701\u7535\u529f\u80fd\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n

 <\/p>\n

 <\/p>\n

<1>\u663e\u793a\u786c\u76d8\u7684\u76f8\u5173\u8bbe\u7f6e<\/p>\n

[root@sqj2015\u00a0~]#\u00a0hdparm\u00a0\/dev\/vda<\/p>\n

 <\/p>\n

\/dev\/vda:<\/p>\n

\u00a0HDIO_DRIVE_CMD(identify)\u00a0failed:\u00a0Inappropriate\u00a0ioctl\u00a0for\u00a0device<\/p>\n

\u00a0readonly\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0=\u00a0\u00a00\u00a0(off)<\/p>\n

\u00a0readahead\u00a0\u00a0\u00a0\u00a0\u00a0=\u00a0256\u00a0(on)<\/p>\n

\u00a0geometry\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0=\u00a020805\/16\/63,\u00a0sectors\u00a0=\u00a020971520,\u00a0start\u00a0=\u00a00<\/p>\n

 <\/p>\n

20805\/16\/63,\u00a0sectors\u00a0=\u00a020971520,\u00a0start\u00a0=\u00a00\u00a0\u5bf9\u5e94\u67f1\u9762\u6570\/\u78c1\u5934\u6570\/\u6247\u533a\u6570\/\u603b\u6247\u533a\u6570\/\u8d77\u59cb\u6247\u533a\u6570<\/p>\n

\u540c\u6837\u53ef\u4ee5\u4f7f\u7528<\/p>\n

[root@sqj2015\u00a0~]#\u00a0hdparm\u00a0-g\u00a0\u00a0\/dev\/vda<\/p>\n

 <\/p>\n

\/dev\/vda:<\/p>\n

\u00a0geometry\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0=\u00a020805\/16\/63,\u00a0sectors\u00a0=\u00a020971520,\u00a0start\u00a0=\u00a00<\/p>\n

 <\/p>\n

<2>\u6d4b\u8bd5\u786c\u76d8\/\u786c\u76d8\u7f13\u5b58\u7684\u8bfb\u53d6\u901f\u5ea6<\/p>\n

[root@sqj2015\u00a0~]#\u00a0hdparm\u00a0-t\u00a0\/dev\/vda<\/p>\n

 <\/p>\n

\/dev\/vda:<\/p>\n

\u00a0Timing\u00a0buffered\u00a0disk\u00a0reads:\u00a0530\u00a0MB\u00a0in\u00a0\u00a03.00\u00a0seconds\u00a0=\u00a0176.66\u00a0MB\/sec<\/p>\n

[root@sqj2015\u00a0~]#\u00a0hdparm\u00a0-T\u00a0\/dev\/vda<\/p>\n

 <\/p>\n

\/dev\/vda:<\/p>\n

\u00a0Timing\u00a0cached\u00a0reads:\u00a0\u00a0\u00a07302\u00a0MB\u00a0in\u00a0\u00a02.00\u00a0seconds\u00a0=\u00a03653.82\u00a0MB\/sec<\/p>\n

 <\/p>\n

<3>\u68c0\u67e5\u786c\u76d8\u7684\u7535\u6e90\u7ba1\u7406\u6a21\u5f0f<\/p>\n

[root@sqj2015\u00a0~]#\u00a0hdparm\u00a0-C\u00a0\/dev\/vda<\/p>\n

 <\/p>\n

\/dev\/vda:<\/p>\n

\u00a0drive\u00a0state\u00a0is:\u00a0\u00a0unknown<\/p>\n","protected":false},"excerpt":{"rendered":"

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