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      EMC CLARiiON 系列在做完初始分配后，当要新增一个LUN或者维护系统时，在服务器上各项服务的停和启顺序要注意，下面就以在Linux下为例做个介绍。

      Add your new LUNs to the Storage Group(s) and then follow these steps:
###Stop Navisphere Agent:
service naviagent stop

###Stop PowerPath:
service PowerPath stop

###Remove QLogic driver from the Linux stack:

modprobe -r qla2300

###Probe  all devices (sd):

modprobe qla2300

###Start Navisphere Agent on Linux server:

service naviagent start

###Start PowerPath:

service PowerPath start