====== Пакет PCS ======

  * Pacemaker Configuration System
  * [[https://xakep.ru/2019/01/24/corosync-pacemaker/|Corosync + Pacemaker. Как правильно развернуть кластер высокой отказоустойчивости]]
  * [[https://www.kost.su/%D1%83%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%BA%D0%B0-%D0%B8-%D0%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B9%D0%BA%D0%B0-pacemaker-%D0%BD%D0%B0-centos7/|Установка и настройка Pacemaker На Centos7]]
  * [[https://clusterlabs.org/pacemaker/doc/deprecated/en-US/Pacemaker/2.0/html/Clusters_from_Scratch/|Clusters from Scratch]]
  * [[https://www.simplified.guide/pacemaker/install-on-ubuntu-debian|How to install Pacemaker, Corosync and pcs on Ubuntu or Debian]]
  * [[https://www.simplified.guide/pacemaker/create-cluster|How to create a Pacemaker cluster]]

  * [[https://bugzilla.redhat.com/show_bug.cgi?id=1728890|Bug 1728890 - RFE - Mention syntax changes in man / error output]]

<code>
nodeN# apt install pcs

nodeN# ps ax | grep pcsd

nodeN# passwd hacluster

node1# pcs host auth node1 node2
Username: hacluster
Password:
node1: Authorized
node2: Authorized

node1# pcs cluster help


!! Попробовать добавить ключ --all для прописывания corosync и pacemaker в автозагрузку

node1# pcs cluster setup mycluster --start --force node1 node2
  или
node1# pcs cluster setup mycluster --start --force node1 addr=10.5.12.113 node2 addr=10.5.12.213

nodeN# pcs cluster status

nodeN# cat /etc/corosync/corosync.conf

node1# pcs property set stonith-enabled=false

node1# pcs property set no-quorum-policy=ignore

node1# pcs resource list | tee res_list.txt

node1# pcs resource create pr_ftp lsb:proftpd

node1# pcs resource create pr_ip ocf:heartbeat:IPaddr2 ip=192.168.X.10 cidr_netmask=32 nic=eth0

node1# pcs resource delete ...

nodeN# pcs status

node1# pcs resource group add gr_ftp_ip pr_ftp pr_ip

node1# pcs resource move gr_ftp_ip node1

node1# pcs config

node1# pcs constraint delete cli-prefer-gr_ftp_ip

nodeN# systemctl enable corosync
nodeN# systemctl enable pacemaker

node1# crm_mon

node2# init 6

nodeN# pcs cluster stop # --force

nodeN# pcs cluster start

nodeN# pcs cluster destroy
Удаляет на узле ВСЕ конфигурации и убирает сервисы из автозагрузки

nodeN# systemctl stop pcsd
nodeN# systemctl disable pcsd
</code>