{"id":895,"date":"2022-04-01T11:27:17","date_gmt":"2022-04-01T02:27:17","guid":{"rendered":"https:\/\/rfsec.ddns.net\/db\/?p=895"},"modified":"2022-04-01T11:33:23","modified_gmt":"2022-04-01T02:33:23","slug":"wordpress-mariadb%e3%81%8c%e8%b5%b7%e5%8b%95%e3%81%97%e3%81%aa%e3%81%84","status":"publish","type":"post","link":"https:\/\/rfsec.ddns.net\/db\/?p=895","title":{"rendered":"wordpress\/mariadb\u304c\u8d77\u52d5\u3057\u306a\u3044\u306e\u3067\u5bfe\u51e6\u3057\u305f"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"665\" src=\"https:\/\/rfsec.ddns.net\/db\/wp-content\/uploads\/2022\/04\/error-establishing-a-database-connection-in-chrome-1024x665.png\" alt=\"\" class=\"wp-image-898\" srcset=\"https:\/\/rfsec.ddns.net\/db\/wp-content\/uploads\/2022\/04\/error-establishing-a-database-connection-in-chrome-1024x665.png 1024w, https:\/\/rfsec.ddns.net\/db\/wp-content\/uploads\/2022\/04\/error-establishing-a-database-connection-in-chrome-300x195.png 300w, https:\/\/rfsec.ddns.net\/db\/wp-content\/uploads\/2022\/04\/error-establishing-a-database-connection-in-chrome-768x499.png 768w, https:\/\/rfsec.ddns.net\/db\/wp-content\/uploads\/2022\/04\/error-establishing-a-database-connection-in-chrome-624x405.png 624w, https:\/\/rfsec.ddns.net\/db\/wp-content\/uploads\/2022\/04\/error-establishing-a-database-connection-in-chrome.png 1499w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>DataBase\uff08Mariadb\uff09\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044<\/figcaption><\/figure>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>root@ps2:\/var\/lib\/mysql# systemctl status mariadb\n\u25cf mariadb.service - MariaDB 10.3.34 database server\n   Loaded: loaded (\/lib\/systemd\/system\/mariadb.service; enabled; vendor preset: enabled)\n   Active: failed (Result: exit-code) since Fri 2022-04-01 11:02:34 JST; 10min ago\n     Docs: man:mysqld(8)\n           https:\/\/mariadb.com\/kb\/en\/library\/systemd\/\n  Process: 575 ExecStartPre=\/usr\/bin\/install -m 755 -o mysql -g root -d \/var\/run\/mysqld (code=exited, status=0\/SUCCESS)\n  Process: 600 ExecStartPre=\/bin\/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0\/SUCCESS)\n  Process: 667 ExecStartPre=\/bin\/sh -c [ ! -e \/usr\/bin\/galera_recovery ] && VAR= ||   VAR=`cd \/usr\/bin\/..; \/usr\/bin\/galera_recovery`; [ $? -eq 0 ]   && systemctl s\n  Process: 823 ExecStart=\/usr\/sbin\/mysqld $MYSQLD_OPTS $_WSREP_NEW_CLUSTER $_WSREP_START_POSITION (code=exited, status=1\/FAILURE)\n Main PID: 823 (code=exited, status=1\/FAILURE)\n   Status: &quot;MariaDB server is down&quot;\n\n 4\u6708 01 11:02:28 ps2 systemd[1]: Starting MariaDB 10.3.34 database server...\n 4\u6708 01 11:02:31 ps2 mysqld[823]: 2022-04-01 11:02:31 0 [Note] \/usr\/sbin\/mysqld (mysqld 10.3.34-MariaDB-0+deb10u1) starting as process 823 ...\n 4\u6708 01 11:02:34 ps2 systemd[1]: mariadb.service: Main process exited, code=exited, status=1\/FAILURE\n 4\u6708 01 11:02:34 ps2 systemd[1]: mariadb.service: Failed with result &#39;exit-code&#39;.\n 4\u6708 01 11:02:34 ps2 systemd[1]: Failed to start MariaDB 10.3.34 database server.<\/code><\/pre><\/div>\n\n\n\n<p>\u30ed\u30b0\u30d5\u30a1\u30a4\u306e\u80a5\u5927\u5316\u306a\u3069\u304c\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308b\u3088\u3046\u3060\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>oot@ps2:\/var\/log\/mysql# find \/ -name &quot;ib_logfile*&quot; 2&gt;\/dev\/null\n\/var\/lib\/mysql\/ib_logfile0\n\/var\/lib\/mysql\/ib_logfile1\n^C\nroot@ps2:\/var\/log\/mysql# cd \/var\/lib\/mysql\/\nroot@ps2:\/var\/lib\/mysql# ls -l\n\u5408\u8a08 176180\n-rw-rw---- 1 mysql mysql    16384  4\u6708  1 11:02 aria_log.00000001\n-rw-rw---- 1 mysql mysql       52  4\u6708  1 11:02 aria_log_control\n-rw-r--r-- 1 root  root         0  3\u6708 31 19:09 debian-10.3.flag\n-rw-rw---- 1 mysql mysql     6174  3\u6708 31 19:17 ib_buffer_pool\n-rw-rw---- 1 mysql mysql 50331648  3\u6708 31 19:17 ib_logfile0\n-rw-rw---- 1 mysql mysql 50331648  3\u6708 31 19:10 ib_logfile1\n-rw-rw---- 1 mysql mysql 79691776  3\u6708 31 19:17 ibdata1<\/code><\/pre><\/div>\n\n\n\n<p>ib_logfile* \u3092\u524a\u9664\u3057\u3066\u307f\u308b\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>root@ps2:\/var\/lib\/mysql# rm -rvf ib_logfile*\n&#39;ib_logfile0&#39; \u3092\u524a\u9664\u3057\u307e\u3057\u305f\n&#39;ib_logfile1&#39; \u3092\u524a\u9664\u3057\u307e\u3057\u305f<\/code><\/pre><\/div>\n\n\n\n<p>mariadb\u3092\u518d\u8d77\u52d5\u3057\u305f\u3089\u3001OK\u3068\u306a\u3063\u305f\uff01<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>root@ps2:\/var\/lib\/mysql# systemctl restart  mariadb\nroot@ps2:\/var\/lib\/mysql# systemctl status  mariadb\n\u25cf mariadb.service - MariaDB 10.3.34 database server\n   Loaded: loaded (\/lib\/systemd\/system\/mariadb.service; enabled; vendor preset: enabled)\n   Active: active (running) since Fri 2022-04-01 11:12:50 JST; 30s ago\n     Docs: man:mysqld(8)\n           https:\/\/mariadb.com\/kb\/en\/library\/systemd\/\n  Process: 4321 ExecStartPre=\/usr\/bin\/install -m 755 -o mysql -g root -d \/var\/run\/mysqld (code=exited, status=0\/SUCCESS)\n  Process: 4322 ExecStartPre=\/bin\/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0\/SUCCESS)\n  Process: 4324 ExecStartPre=\/bin\/sh -c [ ! -e \/usr\/bin\/galera_recovery ] && VAR= ||   VAR=`cd \/usr\/bin\/..; \/usr\/bin\/galera_recovery`; [ $? -eq 0 ]   && systemctl\n  Process: 4404 ExecStartPost=\/bin\/sh -c systemctl unset-environment _WSREP_START_POSITION (code=exited, status=0\/SUCCESS)\n  Process: 4407 ExecStartPost=\/etc\/mysql\/debian-start (code=exited, status=0\/SUCCESS)\n Main PID: 4372 (mysqld)\n   Status: &quot;Taking your SQL requests now...&quot;\n    Tasks: 31 (limit: 4915)\n   CGroup: \/system.slice\/mariadb.service\n           mq4372 \/usr\/sbin\/mysqld<\/code><\/pre><\/div>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30ed\u30b0\u30d5\u30a1\u30a4\u306e\u80a5\u5927\u5316\u306a\u3069\u304c\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308b\u3088\u3046\u3060\u3002 ib_logfile* \u3092\u524a\u9664\u3057\u3066\u307f\u308b\u3002 mariadb\u3092\u518d\u8d77\u52d5\u3057\u305f\u3089\u3001OK\u3068\u306a\u3063\u305f\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-895","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"featured_image_src":null,"author_info":{"display_name":"mars","author_link":"https:\/\/rfsec.ddns.net\/db\/?author=1"},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=895"}],"version-history":[{"count":4,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/895\/revisions"}],"predecessor-version":[{"id":902,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=\/wp\/v2\/posts\/895\/revisions\/902"}],"wp:attachment":[{"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rfsec.ddns.net\/db\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}