MooseFS 3 0部署筆記 4 原創

2021-09-02 16:11:10 字數 1867 閱讀 6406

此文接 部署筆記3 ,介紹mfs高可用中的keepalived的部署.

keepalived 安裝

2. tar -xzvf keepalived-1.2.23.tar.gz

可用命令檢視相關元件的版本(rpm –qa| grep ***x)。

rpm -ivh libcom_err-devel-1.41.12-11.el6.x86_64.rpm

rpm -ivh e2fsprogs-devel-1.41.12-11.el6.x86_64.rpm

rpm -ivh keyutils-libs-devel-1.4-3.el6.x86_64.rpm

rpm -ivh libsepol-devel-2.0.41-4.el6.x86_64.rpm

rpm -ivh libselinux-devel-2.0.94-5.2.el6.x86_64.rpm

rpm -ivh krb5-devel-1.9-22.el6.x86_64.rpm

rpm -ivh zlib-devel-1.2.3-27.el6.x86_64.rpm

rpm -ivh openssl-devel-1.0.0-20.el6.x86_64.rpm

4. 安裝keepalived

cd keepalived-1.2.23

./configure --prefix=/usr/local/keepalived

make & make install

5. 註冊服務

cp /usr/local/keepalived/sbin/keepalived /usr/sbin/

cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/

cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/

6. 配置

mkdir -p /etc/keepalived/

vi /etc/keepalived/keepalived.conf

chmod 755 /etc/keepalived/keepalived_drbd_mfs.sh

7. 啟動

sudo /etc/init.d/keepalived start

8. 關閉防火牆和selinux策略

vi /etc/sysconfig/selinux

修改:selinux=disabled

#setenforce 0

9. 配置iptables,新增vrrp通訊支援, 允許組播

iptables -a input -d 224.0.0.18 -j accept

10. 驗證

能ping到 /etc/keepalived/keepalived.conf 中配置的虛位址,可以用 ip a 檢視虛位址繫結情況。

11. 修改keepalived 日誌輸出。

預設keepalived 的日誌輸出到 /var/log/messages , 問題很不好查,以下修改日誌輸出。

1) vi /etc/sysconfig/keepalived

修改最後一行 keepalived_options="-d -d -s 0"

2) vi /etc/rsyslog.conf 新增

#keepalived -s 0

local0.* /var/log/keepalived.log

3) 重啟日誌服務

# /etc/init.d/rsyslog restart

4) 檢視日誌

tail -1000 /var/log/keepalived.log

12. 抓包分析keepalived 通訊

tcpdump -i eth1 -n vrrp

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