Data Robotics Drobo FS Handbuch Seite 29

If you are not going to be using your Drobo FS for an extended period of
time, then it is a good idea to shut it down. Make sure that no
applications on your computer are using the Drobo FS by checking the
activity light. If applications are using your Drobo FS, they may prevent
it from properly disconnecting.
Open Drobo Dashboard and click Advanced Controls -> Tools. Then click
the "Shutdown" button. Make sure the power light is off before
disconnecting the data cable or power cord.
If you do not have access to Drobo Dashboard for any reason, then:
1. Check the activity indicator to assure there is no data being
transferred to or from your Drobo FS.
2. Disconnect your Drobo FS from the network.
3. Toggle the power switch on the back of your Drobo FS.
4. When the power indicator goes off, it is safe to remove the
power cord and data cable from the back of the Drobo FS.
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