Dell PowerVault MD3000 - Manual (Page 29)

Storage Array 29
server or management station is unable to communicate with the MD3000 or
MD3000i, you must restart the SMagent software manually using the
following procedure:
1 Click Start → Settings → Control Panel → Administrative Tools →
Services.
or
Click
Start → Administrative Tools → Services.
2 In the Services dialog, select Modular Disk Storage Manager Agent.
3 If the Modular Disk Storage Manager Agent is running, click
Action → Stop, then wait approximately 5 seconds.
4 Click Action → Start.
Starting or Restarting the Host-Agent Software in
Linux
The SMagent software automatically starts after you reboot the host. If you
add a storage array after the host server has started, or if iSCSI sessions are
created while the SMagent is running, you must restart the SMagent software
manually using the following procedure.
To start or restart the host-agent software, enter the following command at
the prompt:
SMagent start
The SMagent software might take a little time to initialize. The cursor is
shown, but the terminal window does not respond. When the program starts,
the following message is displayed:
SMagent started.