{"id":2115,"date":"2021-10-25T20:48:31","date_gmt":"2021-10-25T12:48:31","guid":{"rendered":"https:\/\/www.wjxy.net.cn\/?p=2115"},"modified":"2023-10-04T06:32:24","modified_gmt":"2023-10-03T22:32:24","slug":"%e5%9c%a8-linux-%e4%b8%8a%e6%a3%80%e6%b5%8b-ide-sata-ssd-%e7%a1%ac%e7%9b%98%e7%9a%84%e4%bc%a0%e8%be%93%e9%80%9f%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.wjxy.net.cn\/?p=2115","title":{"rendered":"\u5728 Linux \u4e0a\u68c0\u6d4b IDE\/SATA SSD \u786c\u76d8\u7684\u4f20\u8f93\u901f\u5ea6"},"content":{"rendered":"

\u4f60\u77e5\u9053\u4f60\u7684\u786c\u76d8\u5728 Linux \u4e0b\u4f20\u8f93\u6709\u591a\u5feb\u5417\uff1f\u4e0d\u6253\u5f00\u7535\u8111\u7684\u673a\u7bb1\u6216\u8005\u673a\u67dc\uff0c\u4f60\u77e5\u9053\u5b83\u8fd0\u884c\u5728 SATA I (150 MB\/s) \u3001 SATA II (300 MB\/s) \u8fd8\u662f SATA III (6.0Gb\/s) \u5462\uff1f<\/p>\n

\u4f60\u80fd\u591f\u4f7f\u7528\u00a0hdparm<\/code>\u00a0\u548c\u00a0dd<\/code>\u00a0\u547d\u4ee4\u6765\u68c0\u6d4b\u4f60\u7684\u786c\u76d8\u901f\u5ea6\u3002\u5b83\u4e3a\u5404\u79cd\u786c\u76d8\u7684 ioctls \u63d0\u4f9b\u4e86\u547d\u4ee4\u884c\u754c\u9762\uff0c\u8fd9\u662f\u7531 Linux \u7cfb\u7edf\u7684 ATA \/ IDE \/ SATA \u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u5b50\u7cfb\u7edf\u6240\u652f\u6301\u7684\u3002\u6709\u4e9b\u9009\u9879\u53ea\u80fd\u7528\u6700\u65b0\u7684\u5185\u6838\u624d\u80fd\u6b63\u5e38\u5de5\u4f5c\uff08\u8bf7\u786e\u4fdd\u5b89\u88c5\u4e86\u6700\u65b0\u7684\u5185\u6838\uff09\u3002\u6211\u4e5f\u63a8\u8350\u4f7f\u7528\u6700\u65b0\u7684\u5185\u6838\u6e90\u4ee3\u7801\u7684\u5305\u542b\u5934\u6587\u4ef6\u6765\u7f16\u8bd1\u00a0hdparm<\/code>\u00a0\u547d\u4ee4\u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528 hdparm \u547d\u4ee4\u6765\u68c0\u6d4b\u786c\u76d8\u7684\u4f20\u8f93\u901f\u5ea6<\/h2>\n

\u4ee5 root \u7ba1\u7406\u5458\u6743\u9650\u767b\u5f55\u5e76\u6267\u884c\u547d\u4ee4\uff1a<\/p>\n

\n
$ sudo hdparm -tT \/dev\/sda<\/code><\/pre>\n<\/div>\n
\u6216\u8005\uff0c<\/p>\n
\n
$ sudo hdparm -tT \/dev\/hda<\/code><\/pre>\n<\/div>\n
\u8f93\u51fa\uff1a<\/p>\n
\n
\/dev\/sda:\r\n Timing cached reads: 7864 MB in 2.00 seconds = 3935.41 MB\/sec\r\n Timing buffered disk reads: 204 MB in 3.00 seconds = 67.98 MB\/sec<\/code><\/pre>\n<\/div>\n
\u4e3a\u4e86\u68c0\u6d4b\u66f4\u7cbe\u51c6\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u5e94\u8be5\u91cd\u590d2-3\u6b21<\/span>\u00a0\u3002\u8fd9\u663e\u793a\u4e86\u65e0\u9700\u8bbf\u95ee\u78c1\u76d8\uff0c\u76f4\u63a5\u4ece Linux \u7f13\u51b2\u533a\u7f13\u5b58\u4e2d\u8bfb\u53d6\u7684\u901f\u5ea6\u3002\u8fd9\u4e2a\u6d4b\u91cf\u5b9e\u9645\u4e0a\u662f\u88ab\u6d4b\u7cfb\u7edf\u7684\u5904\u7406\u5668\u3001\u9ad8\u901f\u7f13\u5b58\u548c\u5b58\u50a8\u5668\u7684\u541e\u5410\u91cf\u7684\u6307\u6807\u3002\u8fd9\u662f\u4e00\u4e2a\u00a0for \u5faa\u73af\u7684\u4f8b\u5b50<\/a>\uff0c\u8fde\u7eed\u8fd0\u884c\u6d4b\u8bd5 3 \u6b21\uff1a<\/p>\n
\n
for i in 1 2 3; do hdparm -tT \/dev\/hda; done<\/code><\/pre>\n<\/div>\n
\u8fd9\u91cc\uff0c<\/p>\n