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本帖最后由 wlxzd 于 2015-11-09 17:14 编辑
1. 存储为EMC,该存储有两个控制器,每个控制器都接了网线,两个接口的ip分别是172.16.1.251,172.16.1.253
2. 在centos6.6安装multipath软件,做iscsi多路径
3. 使用如下命令执行后,为什么会向一个控制器登陆两次
[root@dell24 ~]# iscsiadm -m node -T iqn.1992-04.com.emc:cx.ckm00090800416.a5 -p 172.16.1.251:3260 -l
Logging in to [iface: default, target: iqn.1992-04.com.emc:cx.ckm00090800416.a5, portal: 172.16.1.251,3260] (multiple)
Logging in to [iface: default, target: iqn.1992-04.com.emc:cx.ckm00090800416.a5, portal: 172.16.1.251,3260] (multiple)
Login to [iface: default, target: iqn.1992-04.com.emc:cx.ckm00090800416.a5, portal: 172.16.1.251,3260] successful.
Login to [iface: default, target: iqn.1992-04.com.emc:cx.ckm00090800416.a5, portal: 172.16.1.251,3260] successful.
再执行向另一个控制器登陆的命令也是登陆两次
最后查看连接数如下,发现每个IP都登陆了两次
[root@dell24 ~]# netstat -antp | grep 3260
tcp 0 0 172.16.0.24:60275 172.16.1.251:3260 ESTABLISHED 14558/iscsid
tcp 0 0 172.16.0.24:60276 172.16.1.251:3260 ESTABLISHED 14558/iscsid
tcp 0 0 172.16.0.24:53774 172.16.1.253:3260 ESTABLISHED 14558/iscsid
tcp 0 0 172.16.0.24:53775 172.16.1.253:3260 ESTABLISHED 14558/iscsid |
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