<div dir="ltr"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">Hello.</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">I installed linux ha on raspberry pi as below.</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">1) 1) sudo apt-get install pacemaker pcs fence-agents resource-agents</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">2) Host Settings</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">3) 3) sudo reboot</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">4) 4) sudo passwd hacluster</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">5) 5) sudo systemctl enable pcsd, sudo systemctl start pcsd, sudo systemctl enable pacemaker</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">6) 6) sudo pcs cluster destroy</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">7) 7) sudo pcs cluster auth <node1> <node2> -u hacluster -p <password for hacluster></span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">8) 8) sudo pcs cluster setup --name <clusterName> <node1> <node2></span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">9) 9) sudo pcs cluster start —all, sudo pcs cluster enable —all</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">10) sudo pcs property set stonith-enabled=false</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">11) sudo pcs status</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">12) sudo pcs resource create Virtual IP ocf:heartbeat:IPaddr2 ip=<address> cidr_netmask=24op monitor interval=30s</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"></span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">So, I've set it up like this way.</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">By the way, is it correct that node1 and node2 communicate every 30 seconds and node2 will notice after 30 seconds when node1 dies?</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">Or do we communicate every few seconds?</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">And can node1 and node2 reduce communication time?</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">What I want is node1 and node2 to communicate every 10 ms and switch as fast as possible.</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">Please answer.</span><br style="color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)"><span style="margin:0px;padding:0px;color:rgb(0,0,0);font-family:noto,notojp,notokr,Helvetica,"Microsoft YaHei","Apple SD Gothic Neo","Malgun Gothic","\00b9d1\00c740  \00ace0\00b515",Dotum,돋움,sans-serif;font-size:18px;background-color:rgb(253,253,253)">Thank you.</span><br></div>