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sudo apt-get install pacemaker corosync ocfs2-tools

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sudo vi /etc/network/interfaces

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auto eth0
iface eth0 inet static
 address 192.168.1.10
 netmask 255.255.255.0
 gateway 192.168.1.1

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sudo apt-get install tgt

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sudo tgtadm --lld iscsi --op new --mode target --tid 1 -T iqn.2021-01.com.example:storage
sudo tgtadm --lld iscsi --op new --mode logicalunit --tid 1 --lun 1 -b /dev/sdb

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sudo apt-get install pacemaker corosync

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sudo vi /etc/corosync/corosync.conf

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totem {
 version: 2
 secauth: on
 cluster_name: mycluster
 transport: udpu
}

nodelist {
 node {
     name: node1
     ring0_addr: 10.0.0.1
 }
 node {
     name: node2
     ring0_addr: 10.0.0.2
 }
 node {
     name: node3
     ring0_addr: 10.0.0.3
 }
}

quorum {
 provider: corosync_votequorum
 two_node: 1
}

logging {
 to_logfile: yes
 logfile: /var/log/corosync.log
 to_syslog: yes
}

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sudo service corosync start
sudo service pacemaker start

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sudo pcs resource create fs ocf:heartbeat:Filesystem device="/dev/sdb" directory="/mnt" fstype="ocfs2" cluster_options="noatime" op start timeout="90s" op stop timeout="100s" op monitor interval="10s"

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sudo mount /dev/sdb /mnt

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Ubuntu¹Ù·½Îĵµ£ºhttps://help.ubuntu.com/

Linux Cluster HOWTO: http://linux-ha.org/

Corosync¹Ù·½Îĵµ£ºhttps://corosync.github.io/corosync/

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#!/bin/bash

# Set up network interfaces
echo "auto eth0" >> /etc/network/interfaces
echo "iface eth0 inet static" >> /etc/network/interfaces
echo "address 192.168.1.10" >> /etc/network/interfaces
echo "netmask 255.255.255.0" >> /etc/network/interfaces
echo "gateway 192.168.1.1" >> /etc/network/interfaces

# Install required packages
apt-get update
apt-get install -y pacemaker corosync ocfs2-tools

# Create iSCSI storage device
tgtadm --lld iscsi --op new --mode target --tid 1 -T iqn.2021-01.com.example:storage
tgtadm --lld iscsi --op new --mode logicalunit --tid 1 --lun 1 -b /dev/sdb

# Install and configure cluster software
apt-get install -y pacemaker corosync
cat << EOF > /etc/corosync/corosync.conf
totem {
    version: 2
    secauth: on
    cluster_name: mycluster
    transport: udpu
}

nodelist {
    node {
        name: node1
        ring0_addr: 10.0.0.1
    }
    node {
        name: node2
        ring0_addr: 10.0.0.2
    }
    node {
        name: node3
        ring0_adddr: 10.0.0.3
    }
}

quorum {
    provider: corosync_votequorum
    two_node: 1
}

logging {
    to_logfile: yes
    logfile: /var/log/corosync.log
    to_syslog: yes
}
EOF

# Start cluster software
service corosync start
service pacemaker start

# Configure cluster resource
pcs resource create fs ocf:heartbeat:Filesystem device="/dev/sdb" directory="/mnt" fstype="ocfs2" cluster_options="noatime" op start timeout="90s" op stop timeout="100s" op monitor interval="10s"

# Mount cluster filesystem
mount /dev/sdb /mnt

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