1、安裝多路徑軟體包:
device-mapper-1.02.67-2.el5
device-mapper-event-1.02.67.2.el5
device-mapper-multipath-0.4.7-48.el5
2、設定開機啟動,并檢查安裝包是否正常:
chkconfig --level 345 multipathd on
lsmod |grep dm_multipath
3、配置multipathd 使其正常工作,編輯/etc/multipath.conf,開放如下内容:
4、并關閉如下内容
5、完成之後執行如下指令發現多路徑:
6、重新開機伺服器後,我們可以看到多路徑資訊了:
7、通過fdisk 看可以生成了DM-0/DM-1兩個盤,正是上面sdc/sde,sdb/sdd多路徑後出來的:
8、我們同時也可以在/dev/mapper目錄中檢視到多路徑映射的資訊:
9、參考:
<a target="_blank" href="http://www.prudentwoo.com/wp-content/uploads/downloads/2013/11/Red_Hat_Enterprise_Linux-5-DM_Multipath-en-US.pdf">Red_Hat_Enterprise_Linux-5-DM_Multipath-en-US.pdf</a>
<a target="_blank" href="http://www.prudentwoo.com/wp-content/uploads/downloads/2013/11/Red_Hat_Enterprise_Linux-5-DM_Multipath-zh-CN.pdf">Red_Hat_Enterprise_Linux-5-DM_Multipath-zh-CN.pdf</a>
<a target="_blank" href="http://www.prudentwoo.com/wp-content/uploads/downloads/2013/11/Red_Hat_Enterprise_Linux-6-DM_Multipath-en-US.pdf">Red_Hat_Enterprise_Linux-6-DM_Multipath-en-US.pdf</a>
<a target="_blank" href="http://www.prudentwoo.com/wp-content/uploads/downloads/2013/11/Red_Hat_Enterprise_Linux-6-DM_Multipath-zh-CN.pdf">Red_Hat_Enterprise_Linux-6-DM_Multipath-zh-CN.pdf</a>