{"author_name":"halfrack","published":"2013-03-18 23:42:33","provider_name":"Hatena Blog","height":"190","blog_url":"https://halfrack.hatenadiary.org/","url":"https://halfrack.hatenadiary.org/entry/20130318/1363617753","type":"rich","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/halfrack/","width":"100%","title":"SSD \u306b\u95a2\u3059\u308b\u96d1\u611f","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhalfrack.hatenadiary.org%2Fentry%2F20130318%2F1363617753\" title=\"SSD \u306b\u95a2\u3059\u308b\u96d1\u611f - mura\u65e5\u8a18 (halfrack)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","image_url":null,"blog_title":"mura\u65e5\u8a18 (halfrack)","description":"SSD \u306f block erase \u3084\u3089 wear leveling \u3067\u4f5c\u696d\u9818\u57df\u3068\u3057\u3066\u306e DRAM \u306b\u5927\u304d\u304f\u983c\u3089\u3056\u308b\u3092\u5f97\u306a\u3044\u3002 \u96fb\u6e90\u65ad\u306b\u3088\u308a DRAM \u306e dirty \u306a\u9818\u57df\u304c\u6d88\u5931\u3059\u308b\u3053\u3068\u3092\u8003\u616e\u3057\u306a\u304c\u3089\u30e1\u30bf\u30c7\u30fc\u30bf\u306e\u7834\u640d\u3092\u9632\u3054\u3046\u3068\u3059\u308b\u3068\u3001 DRAM -> NAND \u306e\u66f8\u304d\u8fbc\u307f\u9806\u5e8f\u306b\u5f37\u3044\u5236\u7d04\u304c\u751f\u3058\u3001\u9ad8\u901f\u5316\u306b\u652f\u969c\u3092\u6765\u3059\u3002(\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u305d\u308c\u3068\u540c\u3058\u3088\u3046\u306b) DRAM with BBU \u3092\u4eee\u5b9a\u3059\u308b\u3068\u3001\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u304c\u66f8\u304d\u8fbc\u307f\u306e\u9806\u5e8f\u3092\u30a4\u30b8\u308b\u81ea\u7531\u5ea6\u304c\u5927\u5e45\u306b\u5897\u3059\u3002 HDD \u3068\u9055\u3044\u3001 NAND \u306f\u77ed\u6642\u9593\u306a\u3089\u30ad\u30e3\u30d1\u30b7\u30bf\u306e\u96fb\u529b\u3067\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3046\u3053\u3068\u304c\u51fa\u6765\u308b\u306e\u3067\u3001 SSD \u5185\u90e8\u3067\u306e DRAM with BBU\u2026","categories":[]}