- \n
- \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ce\u30fc\u30c9\u7528\u306b\u30db\u30b9\u30c8mysql01\u3001mysql02\u3092\u7528\u610f\u3059\u308b\u3002<\\li>\n
- \u30db\u30b9\u30c8drbd01\uff5e03\u304c\u6301\u3064drbd\u9818\u57df\u7528\u306eHDD\u306f\u642d\u8f09\u3057\u306a\u3044<\/li>\n
- OS\u7b49\u306e\u69cb\u6210\u306f\u30db\u30b9\u30c8drbd01\uff5e03\u3068\u540c\u3058\u3002<\/li>\n
- DRBD\u30ab\u30fc\u30cd\u30eb\u30e2\u30b8\u30e5\u30fc\u30eb\u3001drbd-util\u3001drbdmanage\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3042\u308b\u72b6\u614b\u3067\u3059\u3002<\/li>\n
- \u524d\u8ff0\u306e\u65b9\u6cd5\u306b\u3066DRBD\u30ea\u30bd\u30fc\u30b9mysql-slv(\u5bb9\u91cf10GB)\u3092\u4f5c\u6210\u3057\u3066\u3042\u308b\u3002<\/li>\n
- mysql01\u300102\u306b\u306fMariaDB\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3042\u308a\u307e\u3059\u3002<\/li>\n
- mysql01\u306eIP\u30a2\u30c9\u30ec\u30b9: 192.168.24.226<\/li>\n
- mysql02\u306eIP\u30a2\u30c9\u30ec\u30b9: 192.168.24.227<\/li>\n<\/ul>\n
\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30e2\u30fc\u30c9\u3067\u30ce\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/h3>\n
drbd01\u306b\u3066<\/p>\n
[root@drbd01 ~]# drbdmanage n\n+----------------------------------------------------------------------------------------+\n| Name | Pool Size | Pool Free | | State |\n|----------------------------------------------------------------------------------------|\n| drbd01 | 51196 | 32092 | | ok |\n| drbd02 | 51196 | 32092 | | ok |\n| drbd03 | 51196 | 32092 | | ok |\n+----------------------------------------------------------------------------------------+\n[root@drbd01 ~]# drbdmanage add-node --satellite --no-storage mysql01 192.168.24.226\nOperation completed successfully\nOperation completed successfully\nHost key verification failed.\nGive leader time to contact the new node\nOperation completed successfully\nOperation completed successfully\n\nJoin command for node mysql01:\ndrbdmanage restart\n<\/code><\/pre>\nmysql01\u3067drbdmanage \u3067\u518d\u8d77\u52d5\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n
[root@mysql01 ~]# drbdmanage restart\nYou are going to shut down the drbdmanaged server process on this node.\nPlease confirm:\n yes\/no: yes\nAttempting to startup the server through D-Bus activation...\nD-Bus connection successful, server is running and reachable\n<\/code><\/pre>\ndrbd01\u306b\u3066\u3001\u78ba\u8a8d\u3057\u3066\u307f\u308b\u3068\u3001mysql01\u304cclient\u3068\u3057\u3066\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u30b5\u30c6\u30e9\u30a4\u30c8\u30ce\u30fc\u30c9\u3068\u306f\u3001DRBD\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u7528\u306e\u30ea\u30bd\u30fc\u30b9.drbdctrl\u3092\u6301\u305f\u306a\u3044\u30ce\u30fc\u30c9\u306e\u4e8b\u3067\u3059\u3002<\/p>\n
\u4ee5\u524d\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u3001add-node\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u5b9f\u65bd\u6642\u306b–contorole-node\u30aa\u30d7\u30b7\u30e7\u30f3\u306b\u3066\u5c5e\u3059\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30ce\u30fc\u30c9\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u3088\u3046\u3067\u3059\u304c\u3001\u4eca\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u306f–contorole-node\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u7121\u304f\u306a\u308a\u3001\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u306a\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u3001–satellite\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5229\u7528\u305b\u305a\u306b\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ce\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u5404\u30ce\u30fc\u30c9\u3067\u306e\u8ffd\u52a0\u7528\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u65bd\u3057\u305f\u969b\u3001.drbdctrl\u30ea\u30bd\u30fc\u30b9\u7528\u306e\u9818\u57df\u3092\u4f5c\u6210\u3057\u3088\u3046\u3068\u3059\u308b\u306e\u3067\u3001\u4eca\u56de\u306e\u3088\u3046\u306bDRBD\u7528\u306e\u9818\u57df\u3092\u6301\u305f\u306a\u3044\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u306f\u3001\u8ffd\u52a0\u306b\u5931\u6557\u3057\u307e\u3059\u3002<\/p>\n
[root@drbd01 ~]# drbdmanage n\n+----------------------------------------------------------------------------------------+\n| Name | Pool Size | Pool Free | | State |\n|----------------------------------------------------------------------------------------|\n| drbd01 | 51196 | 32092 | | ok |\n| drbd02 | 51196 | 32092 | | ok |\n| drbd03 | 51196 | 32092 | | ok |\n| mysql01 | 0 | 0 | | satellite node, no storage |\n+----------------------------------------------------------------------------------------+\n<\/code><\/pre>\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ce\u30fc\u30c9\u3078\u30ea\u30bd\u30fc\u30b9\u3092\u5272\u308a\u5f53\u3066\u308b<\/h3>\n
mysql01\u3078DRBD\u30ea\u30bd\u30fc\u30b9mysql-pri\u3092\u5272\u5f53\u307e\u3059\u3002
\nassign\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u306b–client\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u4ed8\u3051\u3066\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n[root@drbd01 ~]# drbdmanage assign mysql-pri mysql01 --client\nOperation completed successfully\n[root@drbd01 ~]# drbdmanage list-assignments\n+----------------------------------------------------------------------------------------+\n| Node | Resource | Vol ID | | State |\n|----------------------------------------------------------------------------------------|\n| drbd01 | mysql-pri | * | | ok |\n| drbd01 | mysql-slv | * | | ok |\n| drbd02 | mysql-pri | * | | ok |\n| drbd02 | mysql-slv | * | | ok |\n| drbd03 | mysql-pri | * | | ok |\n| drbd03 | mysql-slv | * | | ok |\n| mysql01 | mysql-pri | * | | client |\n+----------------------------------------------------------------------------------------+\n<\/code><\/pre>\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ce\u30fc\u30c9\u3067\u30ea\u30bd\u30fc\u30b9\u3078\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u6210\u3059\u308b<\/h3>\n
mysql01\u4e0a\u3067\u3001\u30ea\u30bd\u30fc\u30b9mysql-pri\u306b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002
\n\u30ea\u30bd\u30fc\u30b9\u306e\u5272\u5f53\u307e\u3067\u884c\u3046\u3068\u3001mysql01\u4e0a\u304b\u3089\u3001mysql-pri\u306e\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u304c\u53c2\u7167\u3067\u304d\u307e\u3059\u3002
\nlist-volumes\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u3067\u30d6\u30ed\u30c3\u30af\u30c7\u30d0\u30a4\u30b9\u306e\u30de\u30a4\u30ca\u30fc\u756a\u53f7\u3092\u78ba\u8a8d\u3057\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n[root@mysql01 ~]# drbdmanage list-volumes\n+----------------------------------------------------------------------------------------+\n| Name | Vol ID | Size | Minor | | State |\n|----------------------------------------------------------------------------------------|\n| mysql-pri | 0 | 9.31 GiB | 100 | | ok |\n| mysql-slv | 0 | 9.31 GiB | 101 | | ok |\n+----------------------------------------------------------------------------------------+\n[root@mysql01 ~]# mkfs.xfs \/dev\/drbd100\nmeta-data=\/dev\/drbd100 isize=512 agcount=4, agsize=610352 blks\n = sectsz=512 attr=2, projid32bit=1\n = crc=1 finobt=0, sparse=0\ndata = bsize=4096 blocks=2441406, imaxpct=25\n = sunit=0 swidth=0 blks\nnaming =version 2 bsize=4096 ascii-ci=0 ftype=1\nlog =internal log bsize=4096 blocks=2560, version=2\n = sectsz=512 sunit=0 blks, lazy-count=1\nrealtime =none extsz=4096 blocks=0, rtextents=0\n<\/code><\/pre>\n\u30de\u30a6\u30f3\u30c8\u3057\u3066MariaDB\u3092\u8d77\u52d5\u3059\u308b\u3002<\/h3>\n
\u5f8c\u306f\u3001\u30de\u30a6\u30f3\u30c8\u3057MariaDB\u3092\u8d77\u52d5\u3057\u307e\u3059\u3002
\n\u304c\u3001\/var\/lib\/mysql\u306b\u30de\u30a6\u30f3\u30c8\u3057\u305f\u5834\u5408\u3001\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30aa\u30fc\u30ca\u30fc\u304cmysql\u304b\u3089root\u306b\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n[root@mysql01 ~]# ls -al \/var\/lib|grep mysql\ndrwxr-xr-x. 2 mysql mysql 6 9\u6708 5 15:55 mysql\n[root@mysql01 ~]# mount \/dev\/drbd100 \/var\/lib\/mysql\n[root@mysql01 ~]# ls -al \/var\/lib|grep mysql\ndrwxr-xr-x. 2 root root 6 9\u6708 11 09:57 mysql\n[root@mysql01 ~]# chown mysql:mysql \/var\/lib\/mysql\n[root@mysql01 ~]# systemctl start mariadb\n[root@mysql01 ~]# systemctl status mariadb\n\u25cf mariadb.service - MariaDB database server\n Loaded: loaded (\/usr\/lib\/systemd\/system\/mariadb.service; enabled; vendor preset: disabled)\n Active: active (running) since \u6708 2017-09-11 10:06:19 JST; 2min 56s ago\n Process: 28092 ExecStartPost=\/usr\/libexec\/mariadb-wait-ready $MAINPID (code=exited, status=0\/SUCCESS)\n Process: 28013 ExecStartPre=\/usr\/libexec\/mariadb-prepare-db-dir %n (code=exited, status=0\/SUCCESS)\n Main PID: 28091 (mysqld_safe)\n CGroup: \/system.slice\/mariadb.service\n tq28091 \/bin\/sh \/usr\/bin\/mysqld_safe --basedir=\/usr\n mq28249 \/usr\/libexec\/mysqld --basedir=\/usr --datadir=\/var\/lib\/mysql --plugin...\n\n 9\u6708 11 10:06:13 mysql01 mariadb-prepare-db-dir[28013]: The latest information about ....\n 9\u6708 11 10:06:13 mysql01 mariadb-prepare-db-dir[28013]: You can find additional infor...:\n 9\u6708 11 10:06:13 mysql01 mariadb-prepare-db-dir[28013]: http:\/\/dev.mysql.com\n 9\u6708 11 10:06:13 mysql01 mariadb-prepare-db-dir[28013]: Support MariaDB development b...B\n 9\u6708 11 10:06:13 mysql01 mariadb-prepare-db-dir[28013]: Corporation Ab. You can conta....\n 9\u6708 11 10:06:13 mysql01 mariadb-prepare-db-dir[28013]: Alternatively consider joinin...:\n 9\u6708 11 10:06:13 mysql01 mariadb-prepare-db-dir[28013]: http:\/\/mariadb.com\/kb\/en\/cont...\/\n 9\u6708 11 10:06:13 mysql01 mysqld_safe[28091]: 170911 10:06:13 mysqld_safe Logging to ...'.\n 9\u6708 11 10:06:13 mysql01 mysqld_safe[28091]: 170911 10:06:13 mysqld_safe Starting my...ql\n 9\u6708 11 10:06:19 mysql01 systemd[1]: Started MariaDB database server.\nHint: Some lines were ellipsized, use -l to show in full.\n[root@mysql01 ~]# mysql_secure_installation\n\nNOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB\n SERVERS IN PRODUCTION USE! PLEASE READ EACH STEP CAREFULLY!\n\nIn order to log into MariaDB to secure it, we'll need the current\npassword for the root user. If you've just installed MariaDB, and\nyou haven't set the root password yet, the password will be blank,\nso you should just press enter here.\n\nEnter current password for root (enter for none):\nOK, successfully used password, moving on...\n\nSetting the root password ensures that nobody can log into the MariaDB\nroot user without the proper authorisation.\n\nSet root password? [Y\/n] Y\nNew password:\nRe-enter new password:\nPassword updated successfully!\nReloading privilege tables..\n ... Success!\n\n\nBy default, a MariaDB installation has an anonymous user, allowing anyone\nto log into MariaDB without having to have a user account created for\nthem. This is intended only for testing, and to make the installation\ngo a bit smoother. You should remove them before moving into a\nproduction environment.\n\nRemove anonymous users? [Y\/n] Y\n ... Success!\n\nNormally, root should only be allowed to connect from 'localhost'. This\nensures that someone cannot guess at the root password from the network.\n\nDisallow root login remotely? [Y\/n] Y\n ... Success!\n\nBy default, MariaDB comes with a database named 'test' that anyone can\naccess. This is also intended only for testing, and should be removed\nbefore moving into a production environment.\n\nRemove test database and access to it? [Y\/n] Y\n - Dropping test database...\n ... Success!\n - Removing privileges on test database...\n ... Success!\n\nReloading the privilege tables will ensure that all changes made so far\nwill take effect immediately.\n\nReload privilege tables now? [Y\/n] Y\n ... Success!\n\nCleaning up...\n\nAll done! If you've completed all of the above steps, your MariaDB\ninstallation should now be secure.\n\nThanks for using MariaDB!\n<\/code><\/pre>\nMariaDB\u306e\u8d77\u52d5\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u3067\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ce\u30fc\u30c9\u306e\u8ffd\u52a0\u306f\u4ee5\u4e0a\u3067\u3059\u3002
\n\u5f8c\u306f\u3001\u540c\u69d8\u306bmysql02\u306e\u30ce\u30fc\u30c9\u8ffd\u52a0\u3001mysql-slv\u306e\u30ea\u30bd\u30fc\u30b9\u8ffd\u52a0\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\u4ee5\u4e0a<\/p>\n
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<\/a>","protected":false},"excerpt":{"rendered":"DRBD9\u306e\u65b0\u6a5f\u80fd client\u6a5f\u80fd\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002 client\u6a5f\u80fd\u306f\u3001DRBD\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u6301\u305f\u306a\u3044\u30ce\u30fc\u30c9\u306b\u3001DRBD\u30ea\u30bd\u30fc\u30b9\u3092\u30de\u30a6\u30f3\u30c8\u3067\u304d\u308b\u6a5f\u80fd\u306e\u69d8\u3067\u3059\u3002 \u524d\u63d0 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30ce\u30fc\u30c9\u7528\u306b\u30db\u30b9\u30c8mysql01\u3001mysq […]<\/p>\n","protected":false},"author":24,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,168,167],"tags":[],"class_list":["post-5152","post","type-post","status-publish","format-standard","hentry","category-centos","category-drbd","category-167"],"_links":{"self":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/5152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/comments?post=5152"}],"version-history":[{"count":5,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/5152\/revisions"}],"predecessor-version":[{"id":5157,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/posts\/5152\/revisions\/5157"}],"wp:attachment":[{"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/media?parent=5152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/categories?post=5152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lancard.com\/blog\/wp-json\/wp\/v2\/tags?post=5152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}