{"id":3022,"date":"2025-10-27T13:49:38","date_gmt":"2025-10-27T04:49:38","guid":{"rendered":"https:\/\/blog.id774.net\/entry\/?p=3022"},"modified":"2025-10-27T15:12:54","modified_gmt":"2025-10-27T06:12:54","slug":"var-%e3%82%92-ssd-%e3%81%8b%e3%82%89-hdd-%e3%81%ab%e7%a7%bb%e8%a1%8c%e3%81%99%e3%82%8b%e6%a1%88%e3%82%92%e6%a4%9c%e8%a8%8e%e3%81%97%e3%81%9f","status":"publish","type":"post","link":"https:\/\/blog.id774.net\/entry\/2025\/10\/27\/3022\/","title":{"rendered":"\/var \u3092 SSD \u304b\u3089 HDD \u306b\u79fb\u884c\u3059\u308b\u6848\u3092\u691c\u8a0e\u3057\u305f"},"content":{"rendered":"<p>\u524d\u56de\u306f SSD \u66f8\u304d\u8fbc\u307f\u524a\u6e1b\u306e\u6848\u306e\u3072\u3068\u3064\u3068\u3057\u3066 <a href=\"https:\/\/blog.id774.net\/entry\/2025\/10\/27\/3021\/\">SSD \u306e\u30b9\u30ef\u30c3\u30d7\u9818\u57df\u3092\u524a\u9664\u3057\u305f<\/a>\u3002\u4eca\u56de\u306f\u3053\u308c\u306b\u7d9a\u3044\u3066\u3001\u30eb\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092 SSD \u4e0a\u306b\u7f6e\u304d\u3001\u30c7\u30fc\u30bf\u9818\u57df\u3092 HDD \u4e0a\u306b\u9003\u304c\u3059\u3068\u3044\u3046\u69cb\u6210\u3092\u524d\u63d0\u306b\u3001SSD \u306e\u66f8\u304d\u8fbc\u307f\u3092\u3055\u3089\u306b\u6291\u5236\u3059\u308b\u65b9\u6cd5\u3092\u691c\u8a0e\u3057\u305f\u3002\u672c\u7a3f\u3067\u306f\u3001\/var\/log\u3001\/var\/cache\u3001\/var\/tmp \u3092 HDD \u5074\u306b\u79fb\u52d5\u3057\u3066 bind mount \u3067\u904b\u7528\u3059\u308b\u6848\u3092\u5177\u4f53\u7684\u624b\u9806\u307e\u3067\u8a70\u3081\u3001\u305d\u306e\u5b89\u5168\u6027\u3001\u52b9\u679c\u3001\u30ea\u30b9\u30af\u3001\u304a\u3088\u3073\u6700\u7d42\u5224\u65ad\u3092\u8a18\u9332\u3059\u308b\u3002\u6700\u7d42\u7684\u306a\u7d50\u8ad6\u3068\u3057\u3066\u3001\u3053\u306e\u69cb\u6210\u306f\u63a1\u7528\u3057\u306a\u3044\u3002<\/p>\n<hr>\n<h2>\u76ee\u7684\u3068\u80cc\u666f<\/h2>\n<p>\u76ee\u7684\u306f SSD \u306e\u66f8\u304d\u8fbc\u307f\u983b\u5ea6\u3092\u6291\u5236\u3057\u3001\u7d50\u679c\u3068\u3057\u3066 SSD \u306e\u5bff\u547d\u3092\u5ef6\u3070\u3059\u3053\u3068\u306b\u3042\u308b\u3002<a href=\"https:\/\/blog.id774.net\/entry\/2025\/09\/01\/2977\/\">\u73fe\u5728\u306e\u74b0\u5883<\/a>\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li>\u30eb\u30fc\u30c8 (\/) \u306f SSD \u4e0a\u306b\u5b58\u5728\u3059\u308b\u3002<\/li>\n<li>HDD \u306e\u3046\u3061\u30e1\u30a4\u30f3\u3068\u306a\u308b\u30c7\u30a3\u30b9\u30af\u306f \/mnt\/disk1 \u306b\u30de\u30a6\u30f3\u30c8\u6e08\u307f\u3067\u3042\u308b\u3002<\/li>\n<li>\/home \u3068 \/opt \u306f\u3059\u3067\u306b HDD \u5074\u306b\u79fb\u8a2d\u6e08\u307f\u3067\u3042\u308a\u3001\u30eb\u30fc\u30c8\u914d\u4e0b\u304b\u3089\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af\u3057\u3066\u3044\u308b\u3002<\/li>\n<\/ul>\n<p>\u4eca\u56de\u306e\u691c\u8a0e\u3067\u306f\u3001\u65e5\u5e38\u7684\u306b\u66f8\u304d\u8fbc\u307f\u304c\u591a\u3044\u3068\u8003\u3048\u3089\u308c\u308b \/var\/log\u3001\/var\/cache\u3001\/var\/tmp \u3092 HDD \u914d\u4e0b (\/mnt\/disk1) \u306b\u79fb\u52d5\u3057\u3001bind mount \u306b\u3088\u3063\u3066\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3092\u5dee\u3057\u66ff\u3048\u308b\u3053\u3068\u3067 SSD \u3078\u306e\u66f8\u304d\u8fbc\u307f\u3092\u6975\u5c0f\u5316\u3059\u308b\u6848\u3092\u8a55\u4fa1\u3057\u305f\u3002<\/p>\n<hr>\n<h2>bind mount \u3092\u4f7f\u3046\u7406\u7531<\/h2>\n<p>\/home \u3068 \/opt \u306f HDD \u5074\u306b\u79fb\u3057\u3001\u30eb\u30fc\u30c8\u4e0a\u306b\u306f\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af\u3060\u3051\u3092\u6b8b\u3059\u3068\u3044\u3046\u5f62\u306b\u3057\u3066\u3082\u5927\u304d\u306a\u554f\u984c\u306f\u8d77\u304d\u306a\u3044\u3002\u3053\u308c\u306f\u305d\u308c\u3089\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u30b7\u30b9\u30c6\u30e0\u306e\u30d6\u30fc\u30c8\u521d\u671f\u306b\u306f\u5fc5\u9808\u3067\u306f\u306a\u3044\u304b\u3089\u3067\u3042\u308b\u3002<\/p>\n<ul>\n<li>\/home \u306f\u30e6\u30fc\u30b6\u306e\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067\u3042\u308a\u3001\u4e3b\u306b\u30ed\u30b0\u30a4\u30f3\u5f8c\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u9818\u57df\u3067\u3042\u308b\u3002\u591a\u5c11\u30de\u30a6\u30f3\u30c8\u304c\u9045\u5ef6\u3057\u3066\u3082\u30d6\u30fc\u30c8\u30b7\u30fc\u30b1\u30f3\u30b9\u306b\u81f4\u547d\u7684\u306a\u5f71\u97ff\u306f\u51fa\u306a\u3044\u3002<\/li>\n<li>\/opt \u306f\u8ffd\u52a0\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u683c\u7d0d\u5148\u3067\u3042\u308b\u3002\u591a\u304f\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u30d6\u30fc\u30c8\u5b8c\u4e86\u5f8c\u306b \/opt \u4ee5\u4e0b\u306e\u30d1\u30b9\u3092\u53c2\u7167\u3059\u308b\u305f\u3081\u3001\u3053\u3061\u3089\u3082\u9045\u5ef6\u30de\u30a6\u30f3\u30c8\u8a31\u5bb9\u7bc4\u56f2\u3068\u3044\u3048\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u5bfe\u3057\u3066 \/var \u306f\u4e8b\u60c5\u304c\u7570\u306a\u308b\u3002\/var \u4ee5\u4e0b\u306f\u30b7\u30b9\u30c6\u30e0\u30d6\u30fc\u30c8\u306e\u304b\u306a\u308a\u65e9\u3044\u6bb5\u968e\u304b\u3089\u8aad\u307f\u66f8\u304d\u3055\u308c\u308b\u9818\u57df\u3067\u3042\u308a\u3001\u6b21\u306e\u3088\u3046\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u4f9d\u5b58\u3057\u3066\u3044\u308b\u3002<\/p>\n<ul>\n<li>systemd-journald \u306f\u8d77\u52d5\u76f4\u5f8c\u304b\u3089 \/var\/log\/journal \u306b\u6c38\u7d9a\u30ed\u30b0\u3092\u66f8\u304d\u8fbc\u3082\u3046\u3068\u3059\u308b\u3002<\/li>\n<li>udev \u3084\u521d\u671f\u5316\u30b9\u30af\u30ea\u30d7\u30c8\u306f \/var\/tmp \u3092\u524d\u63d0\u306b\u4e00\u6642\u60c5\u5831\u3092\u4fdd\u6301\u3059\u308b\u3002<\/li>\n<li>dpkg \u3084 apt \u306f \/var\/lib \u3084 \/var\/cache\/apt \u306b\u5bfe\u3057\u3066\u72b6\u614b\u60c5\u5831\u3084\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u66f8\u304d\u8fbc\u307f\u306b\u3044\u304f\u5834\u5408\u304c\u3042\u308b\u3002<\/li>\n<\/ul>\n<p>\/var \u81ea\u4f53\u3001\u3042\u308b\u3044\u306f \/var\/log, \/var\/cache, \/var\/tmp \u3092\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af\u306b\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u30ea\u30f3\u30af\u5148\u3067\u3042\u308b HDD \u5074\u306e\u30de\u30a6\u30f3\u30c8\u304c\u9593\u306b\u5408\u308f\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u300c\u305d\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b58\u5728\u3057\u306a\u3044\u300d\u3068\u3044\u3046\u6271\u3044\u306b\u306a\u308b\u3002\u3053\u306e\u5834\u5408\u3001\u30b8\u30e3\u30fc\u30ca\u30eb\u66f8\u304d\u8fbc\u307f\u3084\u30c7\u30d0\u30a4\u30b9\u521d\u671f\u5316\u304c\u5931\u6557\u3057\u3001\u6700\u60aa\u30d6\u30fc\u30c8\u4e0d\u80fd\u3084 degraded \u72b6\u614b\u3067\u306e\u8d77\u52d5\u3068\u306a\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u3002<\/p>\n<p>bind mount \u306f\u3053\u308c\u3092\u56de\u907f\u3067\u304d\u308b\u3002bind mount \u3067\u306f\u3001\u30eb\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4e0a\u306b \/var\/log \u306a\u3069\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u305d\u306e\u3082\u306e\u306f\u6b8b\u3057\u3064\u3064\u3001\u4e2d\u8eab\u3060\u3051\u3092\u5225\u306e\u5834\u6240 ( \/mnt\/disk1\/var\/log \u306a\u3069) \u306b\u5dee\u3057\u66ff\u3048\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d6\u30fc\u30c8\u6642\u70b9\u3067\u306f \/var\/log \u7b49\u306f\u5e38\u306b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u3057\u3066\u5b58\u5728\u3059\u308b\u305f\u3081\u3001\u521d\u671f\u5316\u6642\u306e\u53c2\u7167\u5148\u3068\u3057\u3066\u306f\u6709\u52b9\u306a\u307e\u307e\u7dad\u6301\u3055\u308c\u308b\u3002\u901a\u5e38\u7a3c\u50cd\u306b\u5165\u3063\u305f\u6642\u70b9\u3067\u306f bind mount \u304c\u4e0a\u66f8\u304d\u3055\u308c\u3001\u5b9f\u969b\u306e\u66f8\u304d\u8fbc\u307f\u306f HDD \u5074\u306b\u9003\u304c\u3055\u308c\u308b\u3001\u3068\u3044\u3046\u5f62\u306b\u306a\u308b\u3002<\/p>\n<hr>\n<h2>\u60f3\u5b9a\u3057\u3066\u3044\u305f\u79fb\u884c\u624b\u9806<\/h2>\n<p>\u4ee5\u4e0b\u306f\u5b9f\u969b\u306b\u9069\u7528\u3059\u308b\u305f\u3081\u306b\u6574\u7406\u3057\u305f\u624b\u9806\u3067\u3042\u308b\u3002\u7d50\u679c\u3068\u3057\u3066\u63a1\u7528\u3057\u306a\u3044\u304c\u3001\u4f5c\u696d\u306e\u5206\u89e3\u306f\u8a18\u9332\u3068\u3057\u3066\u6b8b\u3059\u3002<\/p>\n<h3>1. HDD \u5074\u306b\u53d7\u3051\u76bf\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u4f5c\u6210\u3059\u308b<\/h3>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/>4<br \/>5<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">sudo mkdir -p \/mnt\/disk1\/var\/{log,cache,tmp}<br \/>\nsudo chown root:root \/mnt\/disk1\/var\/{log,cache,tmp}<br \/>\nsudo chmod 0755 \/mnt\/disk1\/var\/log<br \/>\nsudo chmod 0755 \/mnt\/disk1\/var\/cache<br \/>\nsudo chmod 1777 \/mnt\/disk1\/var\/tmp<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>\/var\/tmp \u306f sticky bit (1777) \u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u3053\u3092\u58ca\u3059\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ea\u30b9\u30af\u306b\u306a\u308b\u3002<\/p>\n<h3>2. \u30b7\u30b9\u30c6\u30e0\u306e\u81ea\u52d5\u51e6\u7406\u3092\u505c\u6b62\u3059\u308b<\/h3>\n<p>\u79fb\u884c\u4e2d\u306e\u66f8\u304d\u8fbc\u307f\u7af6\u5408\u3092\u907f\u3051\u308b\u305f\u3081\u3001cron \u306a\u3069\u306e\u81ea\u52d5\u51e6\u7406\u3084\u30ed\u30b0\u66f8\u304d\u8fbc\u307f\u30b5\u30fc\u30d3\u30b9\u3092\u6b62\u3081\u308b\u3002<\/p>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">sudo systemctl stop cron<br \/>\nsudo systemctl stop rsyslog<br \/>\nsudo systemctl stop systemd-journald<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>cron \u306f 5 \u5206\u9593\u9694\u3084 1 \u65e5\u9593\u9694\u306e\u30b8\u30e7\u30d6\u304b\u3089 \/var\/log \u306b\u30ed\u30b0\u3092\u5410\u304f\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002rsyslog \u3068 systemd-journald \u306f \/var\/log \u7cfb\u306b\u968f\u6642\u66f8\u304d\u8fbc\u3080\u305f\u3081\u505c\u6b62\u5bfe\u8c61\u3068\u3059\u308b\u3002\u3053\u306e\u72b6\u614b\u3067\u306f\u4e00\u6642\u7684\u306b\u30ed\u30b0\u304c\u8a18\u9332\u3055\u308c\u306a\u3044\u3002<\/p>\n<h3>3. \u65e2\u5b58\u30c7\u30fc\u30bf\u3092 HDD \u5074\u3078\u30b3\u30d4\u30fc\u3059\u308b<\/h3>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">sudo rsync -aXS --exclude='*.lock' \/var\/log\/ &nbsp; \/mnt\/disk1\/var\/log\/<br \/>\nsudo rsync -aXS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/var\/cache\/ \/mnt\/disk1\/var\/cache\/<br \/>\nsudo rsync -aXS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/var\/tmp\/ &nbsp; \/mnt\/disk1\/var\/tmp\/<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>-aXS \u306b\u3088\u308a\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u3084\u62e1\u5f35\u5c5e\u6027\u3092\u7dad\u6301\u3057\u305f\u307e\u307e\u30b3\u30d4\u30fc\u3059\u308b\u3002\/var\/log \u306e\u30ed\u30c3\u30af\u30d5\u30a1\u30a4\u30eb\u306f\u518d\u751f\u6210\u53ef\u80fd\u306a\u305f\u3081\u9664\u5916\u3057\u3066\u3044\u308b\u3002<\/p>\n<h3>4. \u5143\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u9000\u907f\u3057\u3001\u7a7a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u518d\u4f5c\u6210\u3059\u308b<\/h3>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/>4<br \/>5<br \/>6<br \/>7<br \/>8<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">sudo mv \/var\/log &nbsp; \/var\/log.bak<br \/>\nsudo mv \/var\/cache \/var\/cache.bak<br \/>\nsudo mv \/var\/tmp &nbsp; \/var\/tmp.bak<br \/>\n<br \/>\nsudo mkdir \/var\/log \/var\/cache \/var\/tmp<br \/>\nsudo chown root:root \/var\/log \/var\/cache \/var\/tmp<br \/>\nsudo chmod 0755 \/var\/log \/var\/cache<br \/>\nsudo chmod 1777 \/var\/tmp<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>\u3053\u3053\u3067 \/var\/log, \/var\/cache, \/var\/tmp \u306f\u7a7a\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3068\u3057\u3066\u5fa9\u5143\u3055\u308c\u308b\u3002\u3053\u306e\u7a7a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c bind mount \u306e\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u306b\u306a\u308b\u3002<\/p>\n<h3>5. bind mount \u3092\u8cbc\u308b<\/h3>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">sudo mount --bind \/mnt\/disk1\/var\/log &nbsp; \/var\/log<br \/>\nsudo mount --bind \/mnt\/disk1\/var\/cache \/var\/cache<br \/>\nsudo mount --bind \/mnt\/disk1\/var\/tmp &nbsp; \/var\/tmp<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>\u78ba\u8a8d\u306b\u306f findmnt \u3092\u4f7f\u3046\u3002<\/p>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">findmnt \/var\/log<br \/>\nfindmnt \/var\/cache<br \/>\nfindmnt \/var\/tmp<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>\u3053\u308c\u3067 \/var\/log \u306a\u3069\u304c \/mnt\/disk1\/var\/&#8230; \u306b\u5dee\u3057\u66ff\u308f\u3063\u3066\u3044\u308c\u3070\u6b63\u3057\u304f bind \u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<h3>6. \/etc\/fstab \u306b\u6052\u4e45\u8a2d\u5b9a\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">\/mnt\/disk1\/var\/log &nbsp; \/var\/log &nbsp; none &nbsp; bind &nbsp; 0 &nbsp; 0<br \/>\n\/mnt\/disk1\/var\/cache \/var\/cache none &nbsp; bind &nbsp; 0 &nbsp; 0<br \/>\n\/mnt\/disk1\/var\/tmp &nbsp; \/var\/tmp &nbsp; none &nbsp; bind &nbsp; 0 &nbsp; 0<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>fstab \u306b\u66f8\u304f\u3053\u3068\u3067\u3001\u518d\u8d77\u52d5\u5f8c\u3082\u540c\u3058\u30de\u30a6\u30f3\u30c8\u95a2\u4fc2\u304c\u7dad\u6301\u3055\u308c\u308b\u3002<\/p>\n<h3>7. \u505c\u6b62\u3057\u305f\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u958b\u3059\u308b<\/h3>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/>3<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">sudo systemctl start systemd-journald<br \/>\nsudo systemctl start rsyslog<br \/>\nsudo systemctl start cron<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<p>\u5fa9\u5e30\u5f8c\u306e\u78ba\u8a8d\u3068\u3057\u3066 logger \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\/mnt\/disk1\/var\/log \u5074\u306b\u30ed\u30b0\u304c\u8a18\u9332\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n<div class=\"codecolorer-container text geshi\" style=\"overflow:auto;white-space:nowrap;width:1000px;\"><table cellspacing=\"0\" cellpadding=\"0\"><tbody><tr><td class=\"line-numbers\"><div>1<br \/>2<br \/><\/div><\/td><td><div class=\"text codecolorer\" style=\"white-space:nowrap\">logger &quot;post-migration test log entry&quot;<br \/>\nls -l \/mnt\/disk1\/var\/log<\/div><\/td><\/tr><\/tbody><\/table><\/div>\n<h3>8. \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u51e6\u7406<\/h3>\n<p>\u5b89\u5b9a\u7a3c\u50cd\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3067\u3042\u308c\u3070\u3001\/var\/log.bak \u306a\u3069\u306e\u9000\u907f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u524a\u9664\u3067\u304d\u308b\u3002\u305f\u3060\u3057\u904e\u53bb\u30ed\u30b0\u3092\u76e3\u67fb\u7528\u9014\u3067\u53c2\u7167\u3057\u305f\u3044\u5834\u5408\u306f\u6570\u65e5\u7a0b\u5ea6\u4fdd\u6301\u3057\u3066\u304a\u304f\u5224\u65ad\u3082\u6b8b\u308b\u3002<\/p>\n<hr>\n<h2>\/var\/cache \u306e munin \u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3064\u3044\u3066<\/h2>\n<p>\/var\/cache \u306b\u306f munin \u304c\u53ce\u96c6\u3057\u305f\u76e3\u8996\u30c7\u30fc\u30bf\u304c\u4fdd\u5b58\u3055\u308c\u308b\u3002\u3053\u306e\u30c7\u30fc\u30bf\u306f <a href=\"https:\/\/www.itmedia.co.jp\/enterprise\/articles\/0705\/30\/news022.html\">RRD<\/a> (Round Robin Database) \u5f62\u5f0f\u3067\u4fdd\u6301\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li>RRD \u306f\u56fa\u5b9a\u9577\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u7528\u610f\u3057\u3001\u305d\u306e\u56fa\u5b9a\u30b5\u30a4\u30ba\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u306e\u4e00\u90e8\u30d6\u30ed\u30c3\u30af\u3092\u66f4\u65b0\u3057\u7d9a\u3051\u308b\u65b9\u5f0f\u3067\u3042\u308b\u3002\u30d5\u30a1\u30a4\u30eb\u3092\u3069\u3093\u3069\u3093\u80a5\u5927\u5316\u3055\u305b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u904e\u53bb\u30c7\u30fc\u30bf\u3092\u4e00\u5b9a\u5bb9\u91cf\u306b\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3057\u306a\u304c\u3089\u4fdd\u6301\u3059\u308b\u3002<\/li>\n<li>munin \u306f\u76e3\u8996\u5bfe\u8c61\u3054\u3068\u306b RRD \u30d5\u30a1\u30a4\u30eb\u3092\u6301\u3064\u30021 \u30db\u30b9\u30c8\u3042\u305f\u308a\u6570\u5341\u30d5\u30a1\u30a4\u30eb\u7a0b\u5ea6\u306b\u306a\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3042\u308b\u3002<\/li>\n<li>RRD \u306e\u66f4\u65b0\u306f 5 \u5206\u3054\u3068\u306e\u53ce\u96c6\u30b5\u30a4\u30af\u30eb\u306a\u3069\u3067\u767a\u751f\u3059\u308b\u3002\u5404\u30c7\u30fc\u30bf\u30dd\u30a4\u30f3\u30c8\u3054\u3068\u306b 8\u301c32KB \u7a0b\u5ea6\u306e\u30d6\u30ed\u30c3\u30af\u304c\u90e8\u5206\u7684\u306b\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u3002<\/li>\n<li>24 \u6642\u9593\u3067\u898b\u308b\u3068\u3001\u3053\u3046\u3057\u305f\u7d30\u304b\u3044\u90e8\u5206\u4e0a\u66f8\u304d\u304c\u7a4d\u307f\u91cd\u306a\u3063\u3066\u3082\u7dcf\u66f8\u304d\u8fbc\u307f\u91cf\u306f\u6570\u767eMB \u7a0b\u5ea6\u306b\u53ce\u307e\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b munin \u306e\u5834\u5408\u3001\/var\/cache \u5185\u306e RRD \u306f\u300c\u56fa\u5b9a\u9577\u300d\u300c\u90e8\u5206\u66f4\u65b0\u300d\u300c\u5b9a\u671f\u8ffd\u8a18\u3067\u306f\u306a\u304f\u90e8\u5206\u66f8\u304d\u63db\u3048\u300d\u3068\u3044\u3046\u6027\u8cea\u3092\u6301\u3064\u3002\u3053\u308c\u306f SSD \u306b\u3068\u3063\u3066\u306f\u7d99\u7d9a\u7684\u306a\u5c0f\u898f\u6a21\u30e9\u30f3\u30c0\u30e0\u30e9\u30a4\u30c8\u306b\u76f8\u5f53\u3059\u308b\u304c\u3001\u5f8c\u8ff0\u3059\u308b SSD \u306e\u8010\u4e45\u6027\u6307\u6a19\u304b\u3089\u307f\u308b\u3068\u4f9d\u7136\u3068\u3057\u3066\u8efd\u3044\u90e8\u985e\u306b\u5165\u308b\u3002<\/p>\n<hr>\n<h2>SSD \u306e\u5bff\u547d\u8a55\u4fa1<\/h2>\n<p>SSD \u306e\u5bff\u547d\u306f\u4e3b\u306b <a href=\"https:\/\/qiita.com\/ken-yossy\/items\/27d2cdba22c58e9aa6f2\">TTBW<\/a> (Total Bytes Written) \u304a\u3088\u3073 <a href=\"https:\/\/qiita.com\/ken-yossy\/items\/2f7ebb404201afd4eb41\">DWPD<\/a> (Drive Writes Per Day) \u3067\u8868\u73fe\u3055\u308c\u308b\u3002<\/p>\n<ul>\n<li>TBW \u306f\u305d\u306e SSD \u304c\u4fdd\u8a3c\u3059\u308b\u7dcf\u66f8\u304d\u8fbc\u307f\u91cf\u3067\u3001\u305f\u3068\u3048\u3070 128GB \u30af\u30e9\u30b9\u306e\u4e00\u822c\u7684\u306a SSD \u3067\u306f 70\u301c150TB \u7a0b\u5ea6\u304c\u591a\u3044\u3068\u3055\u308c\u308b\u3002<\/li>\n<li>DWPD \u306f\u4fdd\u8a3c\u671f\u9593\u4e2d\u306b 1 \u65e5\u3042\u305f\u308a\u30c9\u30e9\u30a4\u30d6\u5168\u4f53\u3092\u4f55\u56de\u66f8\u304d\u63db\u3048\u3089\u308c\u308b\u304b\u3068\u3044\u3046\u6307\u6a19\u3067\u3042\u308b\u3002\u4e00\u822c\u7684\u306a\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u5411\u3051 SSD \u3067\u306f 0.3\u301c0.5 DWPD \u7a0b\u5ea6\u304c\u591a\u3044\u3002<\/li>\n<\/ul>\n<p>TBW \u3092\u5177\u4f53\u7684\u306b\u898b\u308b\u3002\u4eee\u306b 100TB \u306e TBW \u304c\u3042\u308b SSD \u3092\u60f3\u5b9a\u3057\u30011 \u65e5\u3042\u305f\u308a 10GB \u306e\u66f8\u304d\u8fbc\u307f\u3092\u7d99\u7d9a\u3057\u305f\u3068\u3059\u308b\u3002\u3053\u306e\u5834\u5408\u3001100TB \/ 10GB \u306f 10,000 \u65e5\u3001\u7d04 27 \u5e74\u306b\u76f8\u5f53\u3059\u308b\u300270TB \u306e\u5834\u5408\u3067\u3082 7,000 \u65e5\u3092\u8d85\u3048\u308b\u3002\u8aad\u307f\u8fbc\u307f\u306f TBW \u306e\u30ab\u30a6\u30f3\u30c8\u306b\u542b\u307e\u308c\u306a\u3044\u306e\u3067\u3001\u8aad\u307f\u53d6\u308a\u8ca0\u8377\u306f\u7121\u8996\u3067\u304d\u308b\u3002<\/p>\n<p>\u5b9f\u969b\u306e \/var\/log \u3078\u306e\u66f8\u304d\u8fbc\u307f\u306f\u3001\u30ab\u30b9\u30bf\u30e0\u306e\u30b8\u30e7\u30d6\u304c\u5410\u304f\u30ed\u30b0\u3084\u30b7\u30b9\u30c6\u30e0\u30ed\u30b0\u304c\u4e3b\u3067\u3042\u308a\u3001\u591a\u304f\u306f\u30c6\u30ad\u30b9\u30c8\u304a\u3088\u3073\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u6e08\u307f\u306e\u30d5\u30a1\u30a4\u30eb\u8ffd\u8a18\u3067\u3042\u308b\u3002\/var\/cache \u306b\u95a2\u3057\u3066\u306f munin \u304c 5 \u5206\u5468\u671f\u3067 RRD \u3092\u66f4\u65b0\u3059\u308b\u304c\u3001\u3053\u308c\u306f RRD \u30d5\u30a1\u30a4\u30eb\u306b\u5bfe\u3059\u308b 8\u301c32KB \u7a0b\u5ea6\u306e\u90e8\u5206\u7684\u306a\u4e0a\u66f8\u304d\u3067\u3042\u308a\u30011 \u30db\u30b9\u30c8\u3042\u305f\u308a\u6570\u5341\u30d5\u30a1\u30a4\u30eb\u304c\u5bfe\u8c61\u306b\u306a\u3063\u305f\u3068\u3057\u3066\u3082 24 \u6642\u9593\u3042\u305f\u308a\u6570\u767eMB \u7a0b\u5ea6\u306e\u898f\u6a21\u3067\u3042\u308b\u3002\/var\/tmp \u306f\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u306e\u9000\u907f\u5148\u3060\u304c\u3001\u5de8\u5927\u9023\u7d9a\u66f8\u304d\u8fbc\u307f\u304c\u5e38\u6642\u8d70\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002<\/p>\n<p>\u307e\u3068\u3081\u308b\u3068\u3001\u3053\u308c\u3089\u3092\u3059\u3079\u3066 SSD \u4e0a\u306b\u7f6e\u3044\u305f\u307e\u307e\u3067\u3082\u30011 \u65e5\u3042\u305f\u308a\u306e\u7dcf\u66f8\u304d\u8fbc\u307f\u91cf\u306f\u304a\u304a\u3080\u306d\u6570GB\u301c10GB \u7a0b\u5ea6\u306e\u30aa\u30fc\u30c0\u30fc\u306b\u53ce\u307e\u308b\u3002\u3053\u306e\u30ec\u30d9\u30eb\u306e\u66f8\u304d\u8fbc\u307f\u91cf\u3067\u306f\u3001128GB \u30af\u30e9\u30b9\u306e SSD \u306e TBW (70\u301c150TB) \u3092\u6d88\u8cbb\u3057\u5207\u308b\u307e\u3067\u306b\u6570\u5341\u5e74\u304b\u304b\u308b\u8a08\u7b97\u306b\u306a\u308b\u3002\u3064\u307e\u308a\u3001\/var\/log \u3084 \/var\/cache (\u7279\u306b munin \u306e RRD \u66f4\u65b0) \u306e\u3088\u3046\u306a\u5b9a\u5e38\u66f8\u304d\u8fbc\u307f\u306f\u3001SSD \u306e\u5bff\u547d\u306b\u3068\u3063\u3066\u6c7a\u5b9a\u7684\u306a\u554f\u984c\u306b\u306f\u306a\u3089\u306a\u3044\u3068\u3044\u3048\u308b\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u73fe\u884c\u306e SSD \u306f\u30a6\u30a7\u30a2\u30ec\u30d9\u30ea\u30f3\u30b0\u3068\u30aa\u30fc\u30d0\u30fc\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u306b\u3088\u308a\u3001\u5b9f\u52b9\u5bff\u547d\u304c<a href=\"https:\/\/qiita.com\/ken-yossy\/items\/094533052380e9d3f96c\">\u30ab\u30bf\u30ed\u30b0\u5024\u3088\u308a\u9577\u304f\u306a\u308b<\/a>\u3053\u3068\u304c\u591a\u3044\u3002\u3053\u308c\u306f\u3001\u66f8\u304d\u8fbc\u307f\u30d6\u30ed\u30c3\u30af\u304c\u30d5\u30e9\u30c3\u30b7\u30e5\u30e1\u30e2\u30ea\u5168\u4f53\u306b\u5206\u6563\u3055\u308c\u308b\u3088\u3046\u306b\u5236\u5fa1\u3055\u308c\u3066\u304a\u308a\u3001\u7279\u5b9a\u9818\u57df\u3060\u3051\u304c\u6975\u7aef\u306b\u6469\u8017\u3057\u306b\u304f\u3044\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3042\u308b\u3002\u3057\u305f\u304c\u3063\u3066\u3001RRD \u306e\u3088\u3046\u306b\u540c\u3058\u30d5\u30a1\u30a4\u30eb\u306e\u540c\u3058\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u90e8\u5206\u7684\u306b\u66f4\u65b0\u3057\u7d9a\u3051\u308b\u30ef\u30fc\u30af\u30ed\u30fc\u30c9\u3067\u3042\u3063\u3066\u3082\u3001\u7269\u7406 NAND \u30bb\u30eb\u306e\u5b9f\u969b\u306e\u66f8\u304d\u63db\u3048\u5148\u306f\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u5074\u3067\u5206\u6563\u3055\u308c\u308b\u3002<\/p>\n<hr>\n<h2>\u30ea\u30b9\u30af\u8a55\u4fa1<\/h2>\n<p>bind mount \u306b\u3088\u308b \/var\/log, \/var\/cache, \/var\/tmp \u306e HDD \u9000\u907f\u306b\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u30ea\u30b9\u30af\u3082\u3042\u308b\u3002<\/p>\n<ul>\n<li>\/etc\/fstab \u306b\u8907\u6570\u306e bind mount \u30a8\u30f3\u30c8\u30ea\u3092\u66f8\u304d\u8db3\u3059\u3053\u3068\u3067\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u4f9d\u5b58\u95a2\u4fc2\u304c\u8907\u96d1\u306b\u306a\u308b\u3002<\/li>\n<li>HDD \u304c\u4f55\u3089\u304b\u306e\u7406\u7531\u3067\u30de\u30a6\u30f3\u30c8\u3067\u304d\u306a\u304b\u3063\u305f\u5834\u5408\u3001\/var\/log \u306a\u3069\u304c\u7a7a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u307e\u307e\u8d77\u52d5\u3057\u3001\u4e00\u90e8\u30b5\u30fc\u30d3\u30b9\u304c\u7570\u5e38\u72b6\u614b\u3067\u52d5\u4f5c\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u3002<\/li>\n<li>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3084 rsync \u306b\u304a\u3044\u3066 bind mount \u3092\u3069\u3053\u307e\u3067\u542b\u3081\u308b\u304b\u306e\u6271\u3044\u304c\u8907\u96d1\u5316\u3057\u3001\u8aa4\u3063\u3066\u4e8c\u91cd\u30b3\u30d4\u30fc\u3084\u30eb\u30fc\u30d7\u53c2\u7167\u3092\u8d77\u3053\u3059\u61f8\u5ff5\u304c\u51fa\u308b\u3002<\/li>\n<li>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u6642\u306b\u300c\u672c\u6765\u306f \/var\/log \u3060\u304c\u5b9f\u4f53\u306f \/mnt\/disk1\/var\/log\u300d\u3068\u3044\u3046\u591a\u6bb5\u306e\u898b\u901a\u3057\u3092\u524d\u63d0\u306b\u8aad\u3080\u5fc5\u8981\u304c\u751f\u3058\u308b\u3002\u5fa9\u65e7\u6642\u306e\u53ef\u89b3\u6e2c\u6027\u304c\u4e0b\u304c\u308b\u3002<\/li>\n<\/ul>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u66f8\u304d\u8fbc\u307f\u5148\u3092 HDD \u306b\u9003\u304c\u3059\u3053\u3068\u81ea\u4f53\u306f\u6280\u8853\u7684\u306b\u306f\u53ef\u80fd\u3067\u3042\u308b\u304c\u3001\u904b\u7528 (\u7279\u306b\u969c\u5bb3\u6642\u306e\u5fa9\u65e7\u624b\u9806) \u3092\u8907\u96d1\u5316\u3055\u305b\u308b\u3068\u3044\u3046\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u3002<\/p>\n<hr>\n<h2>\u6700\u7d42\u7d50\u8ad6<\/h2>\n<p>\u4ee5\u4e0a\u3092\u8e0f\u307e\u3048\u3001\/var\/log\u3001\/var\/cache\u3001\/var\/tmp \u3092 HDD \u5074\u306b\u79fb\u3057 bind mount \u3067\u5dee\u3057\u66ff\u3048\u308b\u3068\u3044\u3046\u6848\u306f\u3001\u6700\u7d42\u7684\u306b\u63a1\u7528\u3057\u306a\u3044\u65b9\u91dd\u3068\u3057\u305f\u3002<\/p>\n<ul>\n<li>SSD \u306e TBW (70\u301c150TB \u7a0b\u5ea6) \u3068 DWPD \u3092\u3082\u3068\u306b\u3057\u305f\u5bff\u547d\u8a66\u7b97\u3067\u306f\u30011 \u65e5 10GB \u7a0b\u5ea6\u306e\u66f8\u304d\u8fbc\u307f\u3067\u3042\u3063\u3066\u3082 20 \u5e74\u4ee5\u4e0a\u3068\u3044\u3046\u30b9\u30d1\u30f3\u306b\u306a\u308b\u3002SSD \u306e\u66f8\u304d\u8fbc\u307f\u5bff\u547d\u306f\u73fe\u5b9f\u7684\u306b\u306f\u554f\u984c\u306b\u306a\u3089\u306a\u3044\u9818\u57df\u3067\u3042\u308b\u3002<\/li>\n<li>\/var\/cache \u306b\u304a\u3051\u308b munin \u306e RRD \u66f4\u65b0\u306f\u30015 \u5206\u3054\u3068\u306b 8\u301c32KB \u7a0b\u5ea6\u306e\u30d6\u30ed\u30c3\u30af\u3092\u66f8\u304d\u623b\u3059\u3060\u3051\u3067\u3042\u308a\u30011 \u30db\u30b9\u30c8\u3042\u305f\u308a\u6570\u5341\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u90e8\u5206\u4e0a\u66f8\u304d\u304c\u7d99\u7d9a\u3057\u305f\u3068\u3057\u3066\u3082\u30011 \u65e5\u3042\u305f\u308a\u6570\u767eMB \u7a0b\u5ea6\u306b\u53ce\u307e\u308b\u3002\u3053\u308c\u306f TBW \u6d88\u8cbb\u306e\u89b3\u70b9\u3067\u306f\u8efd\u3044\u3002<\/li>\n<li>bind mount \u904b\u7528\u306f \/etc\/fstab \u306e\u7ba1\u7406\u3084\u969c\u5bb3\u5fa9\u65e7\u3092\u8907\u96d1\u5316\u3055\u305b\u308b\u3002\u30d6\u30fc\u30c8\u521d\u671f\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f bind mount \u304c\u6709\u52b9\u3067\u306f\u3042\u308b\u3082\u306e\u306e\u3001\u8907\u96d1\u3055\u3092\u5c0e\u5165\u3059\u308b\u307b\u3069\u306e\u4fa1\u5024\u304c\u306a\u3044\u3068\u5224\u65ad\u3057\u305f\u3002<\/li>\n<li>\/home \u3068 \/opt \u306b\u3064\u3044\u3066\u306f\u3053\u308c\u307e\u3067\u3069\u304a\u308a HDD \u5074\u306b\u9003\u304c\u3057\u3066\u3044\u308b\u304c\u3001\/var \u306f SSD \u4e0a\u306b\u6b8b\u3059\u307b\u3046\u304c\u5168\u4f53\u3068\u3057\u3066\u306e\u4fdd\u5b88\u6027\u304c\u9ad8\u3044\u3002<\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u73fe\u884c\u69cb\u6210 (\/var \u306f SSD \u4e0a\u3067\u7dad\u6301\u3059\u308b) \u3092\u7d99\u7d9a\u3059\u308b\u3002SSD \u66f8\u304d\u8fbc\u307f\u3092\u7121\u7406\u306b HDD \u306b\u9003\u304c\u3059\u306e\u3067\u306f\u306a\u304f\u3001logrotate \u3084\u4e00\u6642\u30d5\u30a1\u30a4\u30eb\u306e\u6574\u7406\u306a\u3069\u901a\u5e38\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3067\u5341\u5206\u3068\u5224\u65ad\u3057\u305f\u3002<\/p>\n<hr>\n<h2>\u307e\u3068\u3081<\/h2>\n<ul>\n<li>\/home \u3068 \/opt \u306f HDD \u5074\u306b\u9003\u304c\u3057\u3001\u30b7\u30f3\u30dc\u30ea\u30c3\u30af\u30ea\u30f3\u30af\u3067\u53c2\u7167\u3059\u308b\u69cb\u6210\u3092\u7d99\u7d9a\u3059\u308b\u3002<\/li>\n<li>\/var\/log\u3001\/var\/cache\u3001\/var\/tmp \u306e HDD \u9000\u907f\u3068 bind mount \u306f\u3001\u624b\u9806\u3068\u3057\u3066\u306f\u7528\u610f\u3057\u305f\u304c\u3001\u63a1\u7528\u3057\u306a\u3044\u3002<\/li>\n<li>munin \u306e RRD \u30ad\u30e3\u30c3\u30b7\u30e5\u306f \/var\/cache \u4e0a\u3067\u7d99\u7d9a\u904b\u7528\u3059\u308b\u3002RRD \u306f\u56fa\u5b9a\u9577\u306e\u30d5\u30a1\u30a4\u30eb\u3067\u30015 \u5206\u3054\u3068\u306e 8\u301c32KB \u7a0b\u5ea6\u306e\u90e8\u5206\u4e0a\u66f8\u304d\u306b\u3088\u308a\u7d71\u8a08\u30c7\u30fc\u30bf\u3092\u7dad\u6301\u3059\u308b\u30021 \u30db\u30b9\u30c8\u3042\u305f\u308a\u6570\u5341\u30d5\u30a1\u30a4\u30eb\u304c\u5bfe\u8c61\u3067\u300124 \u6642\u9593\u3042\u305f\u308a\u306e\u7dcf\u66f8\u304d\u8fbc\u307f\u306f\u6570\u767eMB \u7a0b\u5ea6\u3067\u3042\u308b\u3002<\/li>\n<li>SSD \u306e TBW \u3068 DWPD \u3092\u6839\u62e0\u306b\u3059\u308b\u3068\u3001\u3053\u308c\u3089\u306e\u66f8\u304d\u8fbc\u307f\u30d1\u30bf\u30fc\u30f3\u306f SSD \u306e\u5bff\u547d\u3092\u77ed\u671f\u3067\u524a\u308b\u307b\u3069\u306e\u8ca0\u8377\u3067\u306f\u306a\u3044\u3002<\/li>\n<li>\u3088\u3063\u3066\u3001\/var \u306e bind mount \u79fb\u884c\u6848\u306f\u300c\u69cb\u6210\u3068\u3057\u3066\u306f\u53ef\u80fd\u3002\u3057\u304b\u3057\u4fdd\u5b88\u30b3\u30b9\u30c8\u304c\u5229\u76ca\u3092\u4e0a\u56de\u3089\u306a\u3044\u305f\u3081\u4e0d\u63a1\u7528\u300d\u3068\u3044\u3046\u7d50\u8ad6\u3067\u3042\u308b\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u56de\u306f SSD \u66f8\u304d\u8fbc\u307f\u524a\u6e1b\u306e\u6848\u306e\u3072\u3068\u3064\u3068\u3057\u3066 SSD \u306e\u30b9\u30ef\u30c3\u30d7\u9818\u57df\u3092\u524a\u9664\u3057\u305f\u3002\u4eca\u56de\u306f\u3053\u308c\u306b\u7d9a\u3044\u3066\u3001\u30eb\u30fc\u30c8\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092 SSD \u4e0a\u306b\u7f6e\u304d\u3001\u30c7\u30fc\u30bf\u9818\u57df\u3092 HDD \u4e0a\u306b\u9003\u304c\u3059\u3068\u3044\u3046\u69cb\u6210\u3092\u524d\u63d0\u306b\u3001SSD \u306e\u66f8\u304d\u8fbc\u307f\u3092\u3055 &#8230; <a title=\"\/var \u3092 SSD \u304b\u3089 HDD \u306b\u79fb\u884c\u3059\u308b\u6848\u3092\u691c\u8a0e\u3057\u305f\" class=\"read-more\" href=\"https:\/\/blog.id774.net\/entry\/2025\/10\/27\/3022\/\" aria-label=\"\/var \u3092 SSD \u304b\u3089 HDD \u306b\u79fb\u884c\u3059\u308b\u6848\u3092\u691c\u8a0e\u3057\u305f \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,14],"tags":[],"class_list":["post-3022","post","type-post","status-publish","format-standard","hentry","category-diary","category-tech"],"_links":{"self":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3022","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/comments?post=3022"}],"version-history":[{"count":0,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/posts\/3022\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/media?parent=3022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/categories?post=3022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.id774.net\/entry\/wp-json\/wp\/v2\/tags?post=3022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}