If the Interface configuration on a 2106 allows for Primary and Backup port, then you should be able to do that.
You'd set port 1 as Primary/Active on all you dynamic interfaces (and management) and connect port 1 to core-sw1. Then you'd set port 2 as Backup port number on all you dynamic interfaces (and management) and connect port 2 to core-sw2.
AP-Managers typically do not "failover" to a backup port, so you'd want to create a 2nd AP-Manager and assign it to port 2 (this is the part I'm assuming the 2106 allows, I don't think the 2106 only allows 1 ap-manager).
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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