Linux高可用(HA)集群笔记heartbeat+drbd+nfs-dadloveu
# vi /etc/drbd.conf 在manager和manage_bak上都需要安装drbd服务。分别在两台机器上配置好/etc/drbd.conf
# grep -v "#" /etc/drbd.conf
global {
usage-count yes; (是否参加使用者统计,yes为参加)
}
common {
syncer { rate 300M; }
}
resource r0 {
protocol C; (数据同步协议,C为收到数据并写入后返回,确认成功)
disk {
on-io-error detach;
> }
net {
after-sb-0pri disconnect;
rr-conflict disconnect;
}
syncer {
rate 300M; (设置网络同步速率)
al-extents 257;
}
on manager_bak {
device /dev/drbd0;
disk /dev/sda3;
address 192.168.0.2:7788;
meta-diskinternal;
}
on manager {
device /dev/drbd0;
disk /dev/sdc;
address 192.168.0.1:7788;
meta-disk internal;
}
}
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