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Dell EMC PowerVault MD 34XX/38XX Series Storage Arrays Administrator's Guide

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Starting or stopping the Host Context Agent

The Host Context Agent discovers the host topology. The Host Context Agent starts and stops with the host. The topology discovered by the Host Context Agent can be viewed by clicking Configure Host Access (Automatic) in the Configure tab in the MD Storage Manager.

You must stop and restart the Host Context Agent to see the changes to the host topology if:
  • A new storage array is attached to the host server.
  • A host is added while turning on power to the RAID controller modules.
To start or stop the Host Context Agent on Linux, enter the following commands at the prompt:
SMagent start 
SMagent stop
You must stop and then restart SMagent after:
  • Moving a controller offline or replacing a controller.
  • Removing host-to-array connections from or attaching host-to-array connections to a Linux host server.

To start or stop the Host Context Agent on Windows:

  1. Do one of the following:
    • Click Start > Settings > Control Panel > Administrative Tools > Services
    • Click Start > Administrative Tools > Services
  2. From the list of services, select Modular Disk Storage Manager Agent.
  3. If the Host Context Agent is running, click Action > Stop, then wait approximately 5 seconds.
  4. Click Action > Start.
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