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--- raspberry:cluster [2018/09/25 22:15]
stefano [db]
+++ raspberry:cluster [2023/04/17 14:25] (versione attuale)
@@ Linea 105: / Linea 105: @@
 poi definiamo i dual primary\\
   pcs resource master rm_drbd0 r_drbd0 master-max=2 master-node-max=1 clone-max=2 clone-node-max=1 notify=true
+oppure un master ed uno slave\\
+  pcs resource master rm_drbd0 r_drbd0 master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 notify=true
 questi comandi dovranno essere dati solo dopo le tre direttive principali:\\
   pcs property set stonith-enabled=false
@@ Linea 125: / Linea 130: @@
   pcs resource create srv_maria ocf:heartbeat:mysql binary="/usr/bin/mysqld_safe" config="/etc/mysql/my.cnf" datadir="/var/lib/mysql" pid="/var/lib/mysql/mysql.pid" socket="/var/run/mysqld/mysqld.sock" additional_parameters="--bind-address=0.0.0.0" op start timeout=60s op stop timeout="60s" op monitor interval=20s timeout=30s
+==== postfix ====
+oltre ai pacchetti installati da postfixadmin installare anche\\
+  apt-get install sasl2-bin
+creare l'utente vmail\\
+  useradd -d /var/lib/mysql/vmail
+assegnare i diritti necessari per lavorare sulla directory, ma questo sarebbe sufficiente farlo da uno dei due nodi con la risorsa filesystem attiva.\\
+  chown vmail:vmail /var/lib/mysql/vmail
+  chmod 0-xr /var/lib/mysql/vmail
+a questo punto andiamo direttamente a copiare su entrambi i nodi la configurazione del main.cf\\
+<file txt main.cf>
+smtpd_banner = $myhostname ESMTP $mail_name (Raspbian)
+biff = no
+append_dot_mydomain = no
+readme_directory = no
+compatibility_level = 2
+smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
+smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
+smtpd_use_tls=yes
+smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
+smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
+smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
+myhostname = str2
+alias_maps = hash:/etc/aliases
+alias_database = hash:/etc/aliases
+myorigin = /etc/mailname
+mydestination = $myhostname, stefanostrozzi.it, str2, localhost.localdomain, localhost
+relayhost =
+mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
+mailbox_size_limit = 0
+recipient_delimiter = +
+inet_interfaces = all
+inet_protocols = all
+virtual_alias_maps = proxy:mysql:/etc/postfix/sql/virtual_alias_maps.cf
+virtual_mailbox_domains = proxy:mysql:/etc/postfix/sql/virtual_domains_maps.cf
+virtual_mailbox_maps = proxy:mysql:$config_directory/sql/virtual_mailbox_maps.cf
+virtual_mailbox_base = /var/lib/mysql/vmail
+virtual_minimum_uid = 1001
+virtual_transport = virtual
+virtual_uid_maps = static:1001
+virtual_gid_maps = static:1001
+</file>
+e i vari file mappa che andranno posizionati come specificato qui sopra nel file main.cf\\
+<file txt virtual_alias_maps.cf>
+hosts = localhost
+dbname = postfixadmin
+user = postfixadmin
+password = passworddipostfixadmin
+query = SELECT goto FROM aliases WHERE address='%s' AND active = 1
+</file>
+<file txt virtual_domains_maps.cf>
+hosts = localhost
+dbname = postfixadmin
+user = postfixadmin
+password = passworddipostfixadmin
+query = SELECT domain FROM domain WHERE domain='%s' and backupmx = '0' AND active = 1
+</file>
+<file txt virtual_mailbox_maps.cf>
+hosts = localhost
+dbname = postfixadmin
+user = postfixadmin
+password = passworddipostfixadmin
+query = SELECT maildir FROM mailbox WHERE username='%s' AND active = 1
+</file>
+ora proviamo a creare la risorsa postfix con pacemaker\\
+==== risorsa IP ====
+  pcs resource create clstIP IPaddr2 ip=192.168.1.2 cidr_netmask=24
+==== risorsa gruppo ====
+  pcs resource Group add g_clst r_tgt r_lun clstIP
+==== servizio apache ====
+  pcs resource create srv_web ocf:heartbeat:apache configfile=/etc/apache2/apache2.conf statusurl="http://localhost/server-status" op monitor interval=1min

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