Cable A Hot-Add Shelf For A Dm7100F Ha Pair - Lenovo DM240N Manual

Otherwise, you are done with this procedure.
Complete the hot-add

1.5.3. Cable a hot-add shelf for a DM7100F HA pair

How you cable a DM240N drive shelf in a DM7100F HA pair depends on the number of shelves you
are hot-adding and the number of RoCE-capable port sets (one or two) you are using on the
controller modules.
Before you begin
• You must have met the system requirements.
Requirements for a hot-add
• You must have completed the applicable preparation procedures.
Prepare for a hot-add
• You must have installed the shelves, powered them on, and set the shelf IDs.
Install a drive shelf for a hot-add
Steps
1. If you are hot-adding one shelf using one set of RoCE-capable ports (onboard RoCE-capable
ports) on each controller module, and this is the only DM240N shelf in your HA pair, complete
the following substeps.
Otherwise, go to the next step.
a. Cable shelf NSM A port e0a to controller A port e0c.
b. Cable shelf NSM A port e0b to controller B port e0d.
c. Cable shelf NSM B port e0a to controller B port e0c.
d. Cable shelf NSM B port e0b to controller A port e0d.
The following illustration shows cabling for one hot-added shelf using one set of RoCE-
capable ports on each controller module:
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