{"url":"https://install-memo.hatenadiary.org/entry/20090926/1253921540","provider_name":"Hatena Blog","version":"1.0","categories":["CentOS5"],"height":"190","published":"2009-09-26 08:32:20","author_url":"https://blog.hatena.ne.jp/install-memo/","title":"HDD\u306e\u901f\u5ea6\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b","author_name":"install-memo","blog_title":"install memo","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finstall-memo.hatenadiary.org%2Fentry%2F20090926%2F1253921540\" title=\"HDD\u306e\u901f\u5ea6\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b - install memo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_url":"https://install-memo.hatenadiary.org/","width":"100%","type":"rich","description":"\u306a\u3093\u304bHDD\u304c\u9045\u3044\u6c17\u304c\u3057\u3066\u3044\u305f\u306e\u3060\u304c\u3001\u78ba\u8a8d\u3057\u3066\u307f\u305f\u3089\u3072\u3069\u304b\u3063\u305f\u3002 # hdparm -t /dev/hda /dev/hda: Timing buffered disk reads: 10 MB in 3.39 seconds = 2.95 MB/sec\u3053\u308c\u306f\u3072\u3069\u3044\u30022.95*8=23.6Mbps\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u65b9\u304c\u65ad\u7136\u901f\u3044\u3067\u3059\u3088\uff1f\u3068\u3044\u3046\u304b\u3001SATA\u3063\u3066\u666e\u901a\u306f/dev/sd*\u306b\u306a\u3089\u306a\u3044\u3063\u3051\u2026\uff1f\u3067\u3001BIOS\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3002SATA\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u8a2d\u5b9a\u306e\u300cConfigure SATA as\u300d\u3067\u300cAHCI\u300d\u3092\u9078\u3093\u3067\u8d77\u52d5\uff08\u305d\u308c\u307e\u3067\u300cIDE\u300d\u3060\u3063\u305f\uff09\u3002\u3059\u308b\u3068\u3001/dev/sda\u304c\u51fa\u6765\u3066\u3044\u308b\u3002 # hdparm\u2026","provider_url":"https://hatena.blog"}