{"id":6538,"date":"2021-08-14T21:27:00","date_gmt":"2021-08-14T12:27:00","guid":{"rendered":"https:\/\/www.tapoblog.0t0.jp\/?p=6538"},"modified":"2021-08-15T01:37:51","modified_gmt":"2021-08-14T16:37:51","slug":"%e3%83%96%e3%83%ad%e3%82%b0%e3%81%aedb%e3%81%8c%e3%81%b6%e3%81%a3%e5%a3%8a%e3%82%8c%e3%81%9f","status":"publish","type":"post","link":"https:\/\/www.tapoblog.0t0.jp\/?p=6538","title":{"rendered":"\u30d6\u30ed\u30b0\u306eDB\u304c\u3076\u3063\u58ca\u308c\u305f"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u305f\u307e\u305f\u307e\u305d\u306e\u65e5\u306e\u3046\u3061\u306b\u3059\u3050\u6c17\u3065\u3044\u305f\u3051\u3069\u3001WordPress\u306eDB\u3067\u3042\u308bMySQL(MariaDB)\u304c\u7a81\u7136\u58ca\u308c\u3066\u305f\u3002\u4f55\u6c17\u306a\u304f\u30b9\u30de\u30db\u3067\u81ea\u5206\u306e\u30d6\u30ed\u30b0\u306e\u30da\u30fc\u30b8\u3092\u8868\u793a\u3055\u305b\u3088\u3046\u3068\u3057\u305f\u3089\u3001\u3053\u3093\u306a\u753b\u9762\u3002\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3068\u306a\u3002orz<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"473\" height=\"1024\" data-attachment-id=\"6539\" data-permalink=\"https:\/\/www.tapoblog.0t0.jp\/?attachment_id=6539\" data-orig-file=\"https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2021\/08\/Screenshot_20210815-003114-e1628958600941.jpg\" data-orig-size=\"864,767\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Screenshot_20210815-003114\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2021\/08\/Screenshot_20210815-003114-473x1024.jpg\" src=\"https:\/\/www.tapoblog.0t0.jp\/wp-content\/uploads\/2021\/08\/Screenshot_20210815-003114-473x1024.jpg\" alt=\"\" class=\"wp-image-6539\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL\u3084OS(Raspbian)\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3067\u3057\u304f\u3058\u3063\u3066\u8d77\u52d5\u3057\u305d\u3053\u306a\u3046\u3053\u3068\u306f\u3053\u308c\u307e\u3067\u3082\u6642\u3005\u3042\u3063\u305f\u3051\u3069\u3001\u4eca\u65e5\u306f\u4f55\u3082\u3057\u3066\u306a\u3044\u306e\u306b\u306a\u2026\u3002\u30c7\u30a3\u30b9\u30af\u30d1\u30f3\u30af\u3068\u304b\u304b\u306a\u3042\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u601d\u3044\u306a\u304c\u3089\u30ed\u30b0\u3092\u6f01\u3063\u3066\u307f\u308b\u3068\u3001\u4eca\u65e5\u306e19\u6642\u3054\u308d\u304b\u3089\u7a81\u7136\u3001\/var\/log\/mysql\/error.log\u306b\u3053\u3093\u306a\u30ed\u30b0\u304c\u7e70\u308a\u8fd4\u3057\u51fa\u529b\u3055\u308c\u3066\u3044\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>2021-08-14 19:00:48 3 &#91;ERROR] &#91;FATAL] InnoDB: InnoDB is trying to free page &#91;page id: space=0, page number=20603] though it is already marked as free in the tablespace! The tablespace free space info is corrupt. You may need to dump your tables and recreate the whole database!Please refer to https:\/\/mariadb.com\/kb\/en\/library\/innodb-recovery-modes\/ for information about forcing recovery.\n210814 19:00:48 &#91;ERROR] mysqld got signal 6 ;\nThis could be because you hit a bug. It is also possible that this binary\nor one of the libraries it was linked against is corrupt, improperly built,\nor misconfigured. This error can also be caused by malfunctioning hardware.\n\nTo report this bug, see https:\/\/mariadb.com\/kb\/en\/reporting-bugs\n\nWe will try our best to scrape up some info that will hopefully help\ndiagnose the problem, but since we have already crashed,\nsomething is definitely wrong and this may fail.\n\nServer version: \u30fb\u30fb\u30fb(\u4ee5\u4e0b\u7565<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u3093\u304b\u30d0\u30b0\u3092\u8e0f\u3093\u3067DB\u30d5\u30a1\u30a4\u30eb\u304c\u58ca\u308c\u305f\u7684\u306a\uff1fDB\u3092\u4e38\u3054\u3068\u30c0\u30f3\u30d7\uff06\u518d\u4f5c\u6210\u3057\u308d\u3068\u2026\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3046\u30fc\u3080\u3001\u3053\u308c\u306f\u7d50\u69cb\u6df1\u523b\u306a\u72b6\u6cc1\u304b\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u8fd1\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b5\u30dc\u3063\u3066\u305f\u3051\u3069\u6700\u65b0\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306f\u3044\u3064\u306e\u3060\u3063\u3051\uff1f\uff1f\u3068\u601d\u3063\u3066\u6398\u308a\u8d77\u3053\u3057\u3066\u307f\u308b\u3068\u30012018\u5e74\u672b\u3060\u3068\uff01\uff1f\u03a3(\uffe3\u30ed\uffe3lll)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u60aa\u306e\u5834\u5408\u3001\u307f\u3093\u30ab\u30e9\u5074\u304b\u3089\u624b\u52d5\u3067\u30b3\u30d4\u30da\u304b\u2026\u30022\u5e74\u534a\u5206\u3082\u3084\u3063\u3066\u3089\u308c\u308b\u304b\uff01((((\uff1b\uff9f\u0414\uff9f))))<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d3\u30af\u30d3\u30af\u3057\u306a\u304c\u3089\u30ea\u30ab\u30d0\u30ea\u624b\u9806\u3092\u30b0\u30b0\u3063\u3066\u307f\u308b\u3068\u3001\u65e5\u672c\u8a9e\u3067\u306f<a href=\"https:\/\/qiita.com\/skouno25\/items\/71174c959abe435223ab\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3053<\/a>\u3068<a href=\"https:\/\/support.plesk.com\/hc\/ja\/articles\/213939865--%E6%89%8B%E9%A0%86-MySQL-%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E3%81%A7%E3%81%AE-InnoDB-%E7%A0%B4%E6%90%8D%E3%82%92%E4%BF%AE%E5%BE%A9%E3%81%99%E3%82%8B%E3%81%AB%E3%81%AF\" target=\"_blank\" rel=\"noreferrer noopener\">\u3053\u3053<\/a>\u306e\u60c5\u5831\u304c\u30d2\u30c3\u30c8\u3002\u3053\u308c\u3089\u306e\u624b\u9806\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5fa9\u5143\u306b\u30c8\u30e9\u30a4\u3060\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>MySQL\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u505c\u3081\u308b<br># service mysql stop<\/li><li>datadir (\/var\/lib\/mysql) \u3092\u4e00\u5fdc\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<br># cp -a \/var\/lib\/mysql \/var\/lib\/mysql_20210814<\/li><li>\/etc\/mysql\/my.cnf\u3092\u66f8\u304d\u63db\u3048\u3066InnoDB\u3092\u5f37\u5236\u30ea\u30ab\u30d0\u30ea\u30e2\u30fc\u30c9\u306b\u3059\u308b<br>\u203binnodb_force_recovery\u306f\u7dca\u6025\u6642\u306e\u307f0\u3088\u308a\u5927\u304d\u3044\u5024\u306b\u3059\u308b\u30024\u4ee5\u4e0a\u306b\u3059\u308b\u3068\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u304c\u58ca\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u306e\u3067\u5c11\u3057\u3065\u3064\u4e0a\u3052\u308b\u3053\u3068\u3002<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;mysqld]\ninnodb_force_recovery = 2<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>MySQL\u3092\u5f37\u5236\u30ea\u30ab\u30d0\u30ea\u30e2\u30fc\u30c9\u3067\u8d77\u52d5<br># service mysql start<br>\u203binnodb_force_recovery=1\u3067\u306f\u8d77\u52d5\u3057\u306a\u304b\u3063\u305f\u304c2\u306b\u3057\u305f\u3089\u8d77\u52d5\u3057\u305f\u3002<\/li><li>\u5168\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30c0\u30f3\u30d7<br># mysqldump -u root -p -x &#8211;all-databases &gt; alldatabase.dump<\/li><li>MySQL\u3092\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3<br># service mysql stop<\/li><li>mysql\u30d5\u30a9\u30eb\u30c0\u3092\u9664\u304f\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664<br># rm -rf `ls -d \/var\/lib\/mysql\/* | grep -v &#8220;\/var\/lib\/mysql\/mysql&#8221;`<\/li><li>MySQL\u3092\u518d\u8d77\u52d5<br># service mysql start<\/li><li>\u30c0\u30f3\u30d7\u30d5\u30a1\u30a4\u30eb\u3092\u30ea\u30b9\u30c8\u30a2\u3059\u308b<br># mysql -u root -p &lt; alldatabase.dump<\/li><li>mysql\u30d5\u30a9\u30eb\u30c0\u306b\u6b8b\u3063\u305f\u3044\u304f\u3064\u304b\u306e\u30d5\u30a1\u30a4\u30eb(*.ibd)\u304c\u30d0\u30c3\u30c6\u30a3\u30f3\u30b0\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u30ea\u30b9\u30c8\u30a2\u3067\u304d\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001\/var\/log\/mysql\/error.log\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u5f93\u3063\u3066\u8a72\u5f53\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u524a\u9664\u3059\u308b\u3002\u4eca\u56de\u524a\u9664\u3057\u305f\u306e\u306f\u591a\u5206\u3001gtid_slave_pos.ibd, innodb_index_stats.ibd, innodb_table_stats.ibd<\/li><li>\u30ea\u30b9\u30c8\u30a2(\u4e0a\u306e9.)\u304c\u6b63\u5e38\u7d42\u4e86\u3057\u305f\u3089OK<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><a rel=\"noreferrer noopener\" href=\"https:\/\/qiita.com\/skouno25\/items\/71174c959abe435223ab\" target=\"_blank\">\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8<\/a>\u306e\u6700\u5f8c\u306b\u66f8\u304b\u308c\u3066\u305f\u300c\u6559\u8a13\u300d\u306f\u307e\u3055\u306b\u305d\u306e\u901a\u308a(\u6c57)\u3002\u4eca\u306e\u30b5\u30fc\u30d0\u306b\u3057\u3066\u304b\u3089\u3084\u3063\u3066\u306a\u304b\u3063\u305f\u3051\u3069\u3001\u307e\u305f\u5b9a\u6642\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306ecron\u3067\u3082\u4ed5\u8fbc\u3093\u3067\u304a\u304f\u304b\u2026\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c\u304b\u3089<a rel=\"noreferrer noopener\" href=\"https:\/\/support.plesk.com\/hc\/ja\/articles\/213939865--%E6%89%8B%E9%A0%86-MySQL-%E3%83%87%E3%83%BC%E3%82%BF%E3%83%99%E3%83%BC%E3%82%B9%E3%81%A7%E3%81%AE-InnoDB-%E7%A0%B4%E6%90%8D%E3%82%92%E4%BF%AE%E5%BE%A9%E3%81%99%E3%82%8B%E3%81%AB%E3%81%AF\" target=\"_blank\">\u3053\u3063\u3061\u306e\u30da\u30fc\u30b8<\/a>\u306b\u3088\u308b\u3068\u3001\u539f\u56e0\u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u8d77\u56e0\u3063\u3066\u3053\u3068\u3089\u3057\u3044\u306e\u3067\u3001\u305d\u308d\u305d\u308d\u30b5\u30fc\u30d0\u306eSD\u30ab\u30fc\u30c9\u3092\u5165\u308c\u66ff\u3048\u308b\u3079\u304d\u306a\u306e\u304b\u306a\u3042\u3002\u3002\u3002\u3055\u304b\u306e\u307c\u3063\u3066\u307f\u305f\u3089\u3001<a href=\"https:\/\/www.tapoblog.0t0.jp\/?p=5315\">\u3053\u306e\u30b5\u30fc\u30d0\u3092\u4f5c\u3063\u305f<\/a>\u306e\u306f\u7d044\u5e74\u524d\u306e\u3088\u3046\u3060\u304c\u3001\u524d\u306e\u30b5\u30fc\u30d0\u306eSSD\u304c5\u5e74\u3067\u6b7b\u3093\u3060\u3053\u3068\u3092\u601d\u3048\u3070\u3001\u305d\u308d\u305d\u308d\u3063\u3066\u3053\u3068\u304b\u306a\u3002\u4e00\u5fdc\u66f8\u304d\u8fbc\u307f\u983b\u5ea6\u3092\u6291\u3048\u308b\u5de5\u592b\u306f\u3057\u3066\u308b\u304c\u3001SSD\u3058\u3083\u306a\u304f\u3066\u666e\u901a\u306emicroSD\u30ab\u30fc\u30c9\u3060\u3082\u3093\u306a\u2026\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u305f\u307e\u305f\u307e\u305d\u306e\u65e5\u306e\u3046\u3061\u306b\u3059\u3050\u6c17\u3065\u3044\u305f\u3051\u3069\u3001WordPress\u306eDB\u3067\u3042\u308bMySQL(MariaDB)\u304c\u7a81\u7136\u58ca\u308c\u3066\u305f\u3002\u4f55\u6c17\u306a\u304f\u30b9\u30de\u30db\u3067\u81ea\u5206\u306e\u30d6\u30ed\u30b0\u306e\u30da\u30fc\u30b8\u3092\u8868\u793a\u3055\u305b\u3088\u3046\u3068\u3057\u305f\u3089\u3001\u3053\u3093\u306a\u753b\u9762\u3002\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u78ba\u7acb\u30a8\u30e9\u30fc\u300d\u3068\u306a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[39],"tags":[],"class_list":["post-6538","post","type-post","status-publish","format-standard","category-nucleus"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/posts\/6538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6538"}],"version-history":[{"count":0,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=\/wp\/v2\/posts\/6538\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tapoblog.0t0.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}