{"image_url":null,"blog_title":"Case No.5","provider_name":"Hatena Blog","type":"rich","version":"1.0","published":"2025-05-27 12:32:03","author_name":"caseno5","height":"190","provider_url":"https://hatena.blog","blog_url":"https://caseno5.hatenablog.com/","description":"\u8868\u984c\u306e\u307e\u3093\u307e\u3002HDD\u3060\u3068\u9045\u3044\u306e\u3067\u3001SSD\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u8f09\u305b\u3066\u9ad8\u901f\u5316\u3092\u56f3\u308d\u3046\u3063\u3066\u3044\u3046\u3002 \u305d\u308c\u305e\u308c\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3002 LVM\u306eissue_discards\u30921\u306b\u5909\u66f4 \u521d\u671f RAM \u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u30a4\u30e1\u30fc\u30b8\u306e\u518d\u69cb\u7bc9 \u30d5\u30a3\u30b8\u30ab\u30eb\u30dc\u30ea\u30e5\u30fc\u30e0(PV)\u306e\u4f5c\u6210 \u30dc\u30ea\u30e5\u30fc\u30e0\u30b0\u30eb\u30fc\u30d7(VG)\u306e\u4f5c\u6210 \u30ed\u30b8\u30ab\u30eb\u30dc\u30ea\u30e5\u30fc\u30e0(LV)\u306e\u4f5c\u6210 \u30ad\u30e3\u30c3\u30b7\u30e5\u30d7\u30fc\u30eb\u306e\u4f5c\u6210 HDD\u3068\u30ad\u30e3\u30c3\u30b7\u30e5\u30d7\u30fc\u30eb\u3092\u7d10\u4ed8\u3051\u308b \u30aa\u30c1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcaseno5.hatenablog.com%2Fentry%2F2025%2F05%2F27%2F123203\" title=\"dm-cache\u3067HDD\u306e\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u3092\u3057\u3088\u3046 - Case No.5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["IT","Linux","RAID","\u30cd\u30c3\u30c8\u30ef\u30fc\u30af"],"width":"100%","url":"https://caseno5.hatenablog.com/entry/2025/05/27/123203","title":"dm-cache\u3067HDD\u306e\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u3092\u3057\u3088\u3046","author_url":"https://blog.hatena.ne.jp/caseno5/"}