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Instale las dependencias de MetroCluster tiebreaker 1,4

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Según el sistema operativo Linux del host, instale un servidor MySQL o MariaDB antes de instalar o actualizar el software tiebreaker.

Pasos

  1. Instale JDK.

  2. Instalar el servidor MySQL o MariaDB:

    Si el host Linux es

    Realice lo siguiente…​

    Red Hat Enterprise Linux 7/CentOS 7

    Instale MySQL Server 5.5.30 o posterior y las versiones 5,6.x en Red Hat Enterprise Linux 7 o CentOS 7

    Red Hat Enterprise Linux 8

    Instale el servidor MariaDB en Red Hat Enterprise Linux 8

Instale JDK

Debe instalar JDK en el sistema host antes de instalar o actualizar el software tiebreaker. Tiebreaker 1,4 y versiones anteriores son compatibles con JDK 1,8.0. (JRE 8).

Pasos

  1. Inicie sesión como usuario raíz.

    login as: root
root@mcctb's password:
Last login: Fri Jan  8 21:33:00 2017 from host.domain.com

  2. Instale JDK 1,8.0:

    yum install java-1.8.0-openjdk.x86_64

    [root@mcctb ~]# yum install java-1.8.0-openjdk.x86_64
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
... shortened....
Dependencies Resolved

=======================================================================
Package               Arch   Version                 Repository    Size
=======================================================================
Installing:
 java-1.8.0-openjdk  x86_64  1:1.8.0.144-0.b01.el7_4 updates      238 k
 ..
 ..
Transaction Summary
=======================================================================
Install  1 Package  (+ 4 Dependent packages)

Total download size: 34 M
Is this ok [y/d/N]: y

Installed:
java-1.8.0-openjdk.x86_64 1:1.8.0.144-0.b01.el7_4
Complete!

Instale MySQL Server 5.5.30 o posterior y las versiones 5,6.x en Red Hat Enterprise Linux 7 o CentOS 7

Debe instalar MySQL Server 5.5.30 o posterior y la versión 5.6.x en el sistema host antes de instalar o actualizar el software Tiebreaker. Para Red Hat Enterprise Linux 8, Instale el servidor MariaDB.

Pasos

  1. Inicie sesión como usuario root.

    login as: root
root@mcctb's password:
Last login: Fri Jan  8 21:33:00 2016 from host.domain.com

  2. Añada el repositorio de MySQL al sistema host:

    [root@mcctb ~]# yum localinstall https://dev.mysql.com/get/mysql57-community-release-el6-11.noarch.rpm

    Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
Setting up Local Package Process
Examining /var/tmp/yum-root-LLUw0r/mysql-community-release-el6-5.noarch.rpm: mysql-community-release-el6-5.noarch
Marking /var/tmp/yum-root-LLUw0r/mysql-community-release-el6-5.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package mysql-community-release.noarch 0:el6-5 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package               Arch   Version
                                    Repository                             Size
================================================================================
Installing:
mysql-community-release
                       noarch el6-5 /mysql-community-release-el6-5.noarch 4.3 k
Transaction Summary
================================================================================
Install       1 Package(s)
Total size: 4.3 k
Installed size: 4.3 k
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : mysql-community-release-el6-5.noarch                         1/1
  Verifying  : mysql-community-release-el6-5.noarch                         1/1
Installed:
  mysql-community-release.noarch 0:el6-5
Complete!

  3. Deshabilite el repositorio de MySQL 57:

    [root@mcctb ~]# yum-config-manager --disable mysql57-community

  4. Habilite el repositorio de MySQL 56:

    [root@mcctb ~]# yum-config-manager --enable mysql56-community

  5. Habilite el repositorio:

    [root@mcctb ~]# yum repolist enabled | grep "mysql.-community."

    mysql-connectors-community           MySQL Connectors Community            21
mysql-tools-community                MySQL Tools Community                 35
mysql56-community                    MySQL 5.6 Community Server           231

  6. Instale el servidor de comunidad MySQL:

    [root@mcctb ~]# yum install mysql-community-server

    Loaded plugins: product-id, refresh-packagekit, security, subscription-manager
This system is not registered to Red Hat Subscription Management. You can use subscription-manager
to register.
Setting up Install Process
Resolving Dependencies
--> Running transaction check
 .....Output truncated.....
---> Package mysql-community-libs-compat.x86_64 0:5.6.29-2.el6 will be obsoleting
--> Finished Dependency Resolution
Dependencies Resolved
==============================================================================
Package                          Arch   Version       Repository          Size
==============================================================================
Installing:
 mysql-community-client         x86_64  5.6.29-2.el6  mysql56-community  18  M
     replacing  mysql.x86_64 5.1.71-1.el6
 mysql-community-libs           x86_64  5.6.29-2.el6  mysql56-community  1.9 M
     replacing  mysql-libs.x86_64 5.1.71-1.el6
 mysql-community-libs-compat    x86_64  5.6.29-2.el6  mysql56-community  1.6 M
     replacing  mysql-libs.x86_64 5.1.71-1.el6
 mysql-community-server         x86_64  5.6.29-2.el6  mysql56-community  53  M
     replacing  mysql-server.x86_64 5.1.71-1.el6
Installing for dependencies:
mysql-community-common          x86_64  5.6.29-2.el6  mysql56-community   308 k

Transaction Summary
===============================================================================
Install       5 Package(s)
Total download size: 74 M
Is this ok [y/N]: y
Downloading Packages:
(1/5): mysql-community-client-5.6.29-2.el6.x86_64.rpm       |  18 MB     00:28
(2/5): mysql-community-common-5.6.29-2.el6.x86_64.rpm       | 308 kB     00:01
(3/5): mysql-community-libs-5.6.29-2.el6.x86_64.rpm         | 1.9 MB     00:05
(4/5): mysql-community-libs-compat-5.6.29-2.el6.x86_64.rpm  | 1.6 MB     00:05
(5/5): mysql-community-server-5.6.29-2.el6.x86_64.rpm       |  53 MB     03:42
 -------------------------------------------------------------------------------
Total                                              289 kB/s |  74 MB     04:24
warning: rpmts_HdrFromFdno: Header V3 DSA/SHA1 Signature, key ID <key_id> NOKEY
Retrieving key from file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Importing GPG key 0x5072E1F5:
 Userid : MySQL Release Engineering <mysql-build@oss.oracle.com>
Package: mysql-community-release-el6-5.noarch
         (@/mysql-community-release-el6-5.noarch)
 From   : file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
Is this ok [y/N]: y
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
  Installing : mysql-community-common-5.6.29-2.el6.x86_64
....Output truncated....
1.el6.x86_64                                                               7/8
  Verifying  : mysql-5.1.71-1.el6.x86_64                       	           8/8
Installed:
  mysql-community-client.x86_64 0:5.6.29-2.el6
  mysql-community-libs.x86_64 0:5.6.29-2.el6
  mysql-community-libs-compat.x86_64 0:5.6.29-2.el6
  mysql-community-server.x86_64 0:5.6.29-2.el6

Dependency Installed:
  mysql-community-common.x86_64 0:5.6.29-2.el6

Replaced:
  mysql.x86_64 0:5.1.71-1.el6 mysql-libs.x86_64 0:5.1.71-1.el6
  mysql-server.x86_64 0:5.1.71-1.el6
Complete!

  7. Inicie el servidor MySQL:

    [root@mcctb ~]# service mysqld start

    Initializing MySQL database:  2016-04-05 19:44:38 0 [Warning] TIMESTAMP
with implicit DEFAULT value is deprecated. Please use
--explicit_defaults_for_timestamp server option (see documentation
for more details).
2016-04-05 19:44:38 0 [Note] /usr/sbin/mysqld (mysqld 5.6.29)
        starting as process 2487 ...
2016-04-05 19:44:38 2487 [Note] InnoDB: Using atomics to ref count
        buffer pool pages
2016-04-05 19:44:38 2487 [Note] InnoDB: The InnoDB memory heap is disabled
....Output truncated....
2016-04-05 19:44:42 2509 [Note] InnoDB: Shutdown completed; log sequence
       number 1625987

PLEASE REMEMBER TO SET A PASSWORD FOR THE MySQL root USER!
To do so, start the server, then issue the following commands:

  /usr/bin/mysqladmin -u root password 'new-password'
  /usr/bin/mysqladmin -u root -h mcctb password 'new-password'

Alternatively, you can run:
  /usr/bin/mysql_secure_installation

which will also give you the option of removing the test
databases and anonymous user created by default.  This is
strongly recommended for production servers.
.....Output truncated.....
WARNING: Default config file /etc/my.cnf exists on the system
This file will be read by default by the MySQL server
If you do not want to use this, either remove it, or use the
--defaults-file argument to mysqld_safe when starting the server

                                                           [  OK  ]
Starting mysqld:                                           [  OK  ]

  8. Confirme que el servidor MySQL está ejecutando:

    [root@mcctb ~]# service mysqld status

    mysqld (pid  2739) is running...

  9. Configure los ajustes de seguridad y contraseña:

    [root@mcctb ~]# mysql_secure_installation

    NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MySQL
       SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!

 In order to log into MySQL to secure it, we'll need the current
 password for the root user.  If you've just installed MySQL, and
 you haven't set the root password yet, the password will be blank,
 so you should just press enter here.

 Enter current password for root (enter for none):   <== on default install
                                                         hit enter here
 OK, successfully used password, moving on...

 Setting the root password ensures that nobody can log into the MySQL
 root user without the proper authorization.

 Set root password? [Y/n] y
 New password:
 Re-enter new password:
 Password updated successfully!
 Reloading privilege tables..
  ... Success!

 By default, a MySQL installation has an anonymous user, allowing anyone
 to log into MySQL without having to have a user account created for
 them.  This is intended only for testing, and to make the installation
 go a bit smoother.  You should remove them before moving into a
 production environment.

 Remove anonymous users? [Y/n] y
  ... Success!

 Normally, root should only be allowed to connect from 'localhost'.  This
 ensures that someone cannot guess at the root password from the network.

 Disallow root login remotely? [Y/n] y
  ... Success!

 By default, MySQL comes with a database named 'test' that anyone can
 access.  This is also intended only for testing, and should be removed
 before moving into a production environment.

 Remove test database and access to it? [Y/n] y
  - Dropping test database...
 ERROR 1008 (HY000) at line 1: Can't drop database 'test';
 database doesn't exist
  ... Failed!  Not critical, keep moving...
  - Removing privileges on test database...
  ... Success!

 Reloading the privilege tables will ensure that all changes made so far
 will take effect immediately.

 Reload privilege tables now? [Y/n] y
  ... Success!

 All done!  If you've completed all of the above steps, your MySQL
 installation should now be secure.

 Thanks for using MySQL!

 Cleaning up...

  10. Compruebe que el inicio de sesión de MySQL funciona:

    [root@mcctb ~]# mysql -u root –p

    Enter password: <configured_password>
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 17
Server version: 5.6.29 MySQL Community Server (GPL)

Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql>

    Cuando el inicio de sesión de MySQL funciona según lo esperado, la salida termina en el mysql> prompt.

Habilite la configuración de inicio automático de MySQL

Debe verificar que la función de inicio automático esté activada para el daemon MySQL. Al activar el daemon MySQL se reinicia automáticamente si se reinicia el sistema en el que reside el software MetroCluster Tiebreaker. Si el daemon MySQL no se está ejecutando, el software Tiebreaker continúa ejecutándose, pero no puede reiniciarse y no se pueden realizar cambios de configuración.

Paso

  1. Compruebe que MySQL está habilitado para el inicio automático cuando arranque:

    [root@mcctb ~]# systemctl list-unit-files mysqld.service

    UNIT FILE          State
------------------ ----------
mysqld.service     enabled

    Si MySQL no está habilitado para el inicio automático al arrancar, consulte la documentación de MySQL para activar la función de inicio automático para la instalación.

Instale el servidor MariaDB en Red Hat Enterprise Linux 8

Debe instalar el servidor MariaDB en el sistema host antes de instalar o actualizar el software Tiebreaker. Para Red Hat Enterprise Linux 7 o CentOS 7, Instale MySQL Server.

Antes de empezar

El sistema host debe ejecutarse en Red Hat Enterprise Linux (RHEL) 8.

Pasos

  1. Inicie sesión como root usuario.

    login as: root
root@mcctb's password:
Last login: Fri Jan  8 21:33:00 2017 from host.domain.com

  2. Instale el servidor MariaDB:

    [root@mcctb ~]# yum install mariadb-server.x86_64

    [root@mcctb ~]# yum install mariadb-server.x86_64
Loaded plugins: fastestmirror, langpacks
 ...
 ...

===========================================================================
 Package                      Arch   Version         Repository        Size
===========================================================================
Installing:
mariadb-server               x86_64   1:5.5.56-2.el7   base            11 M
Installing for dependencies:

Transaction Summary
===========================================================================
Install  1 Package  (+8 Dependent packages)
Upgrade             ( 1 Dependent package)

Total download size: 22 M
Is this ok [y/d/N]: y

Downloading packages:
No Presto metadata available for base warning:
/var/cache/yum/x86_64/7/base/packages/mariadb-libs-5.5.56-2.el7.x86_64.rpm:
Header V3 RSA/SHA256 Signature,
key ID f4a80eb5: NOKEY] 1.4 MB/s | 3.3 MB  00:00:13 ETA
Public key for mariadb-libs-5.5.56-2.el7.x86_64.rpm is not installed
(1/10): mariadb-libs-5.5.56-2.el7.x86_64.rpm  | 757 kB  00:00:01
..
..
(10/10): perl-Net-Daemon-0.48-5.el7.noarch.rpm|  51 kB  00:00:01
-----------------------------------------------------------------------------------------
Installed:
  mariadb-server.x86_64 1:5.5.56-2.el7

Dependency Installed:
mariadb.x86_64 1:5.5.56-2.el7
perl-Compress-Raw-Bzip2.x86_64 0:2.061-3.el7
perl-Compress-Raw-Zlib.x86_64 1:2.061-4.el7
perl-DBD-MySQL.x86_64 0:4.023-5.el7
perl-DBI.x86_64 0:1.627-4.el7
perl-IO-Compress.noarch 0:2.061-2.el7
perl-Net-Daemon.noarch 0:0.48-5.el7
perl-PlRPC.noarch 0:0.2020-14.el7

Dependency Updated:
  mariadb-libs.x86_64 1:5.5.56-2.el7
Complete!

  3. Inicie el servidor MariaDB:

    [root@mcctb ~]# systemctl start mariadb

  4. Compruebe que el servidor MariaDB se ha iniciado:

    [root@mcctb ~]# systemctl status mariadb

    [root@mcctb ~]# systemctl status mariadb
mariadb.service - MariaDB database server
...
Nov 08 21:28:59 mcctb systemd[1]: Starting MariaDB database server...
...
Nov 08 21:29:01 mcctb systemd[1]: Started MariaDB database server.

  5. Configure los ajustes de seguridad y contraseña:

    Nota Cuando se le solicite la contraseña root, déjela vacía y pulse Intro para continuar configurando la configuración de seguridad y contraseña.

    [root@mcctb ~]# mysql_secure_installation

    root@localhost systemd]# mysql_secure_installation

 NOTE: RUNNING ALL PARTS OF THIS SCRIPT IS RECOMMENDED FOR ALL MariaDB
      SERVERS IN PRODUCTION USE!  PLEASE READ EACH STEP CAREFULLY!

In order to log into MariaDB to secure it, we'll need the current
password for the root user.  If you've just installed MariaDB, and
you haven't set the root password yet, the password will be blank,
so you should just press enter here.

Enter current password for root (enter for none):
OK, successfully used password, moving on...

Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation.

Set root password? [Y/n] y
New password:
Re-enter new password:
Password updated successfully!
Reloading privilege tables..
 ... Success!


By default, a MariaDB installation has an anonymous user, allowing anyone
to log into MariaDB without having to have a user account created for
them.  This is intended only for testing, and to make the installation
go a bit smoother.  You should remove them before moving into a
production environment.

Remove anonymous users? [Y/n] y
 ... Success!

Normally, root should only be allowed to connect from 'localhost'.  This
ensures that someone cannot guess at the root password from the network.

Disallow root login remotely? [Y/n] y
 ... Success!

By default, MariaDB comes with a database named 'test' that anyone can
access.  This is also intended only for testing, and should be removed
before moving into a production environment.

Remove test database and access to it? [Y/n] y
 - Dropping test database...
  ... Success!
 - Removing privileges on test database...
   ... Success!

Reloading the privilege tables will ensure that all changes made so far
will take effect immediately.

Reload privilege tables now? [Y/n]

  ... Success!

Cleaning up...

All done!  If you've completed all of the above steps, your MariaDB
installation should now be secure.

Thanks for using MariaDB!

Active la configuración de inicio automático para el servidor MariaDB

Debe verificar que la función de inicio automático está activada para el servidor MariaDB. Si no activa la función de inicio automático y el sistema en el que reside el software MetroCluster Tiebreaker debe reiniciarse, el software de tiebreaker, pero el servicio MariaDB no puede reiniciarse y no se pueden realizar cambios de configuración.

Pasos

  1. Active el servicio de inicio automático:

    [root@mcctb ~]# systemctl enable mariadb.service

  2. Compruebe que MariaDB está habilitado para iniciarse automáticamente al arrancar:

    [root@mcctb ~]# systemctl list-unit-files mariadb.service

    UNIT FILE          State
------------------ ----------
mariadb.service    enabled