Cisco Nexus 7000 Series Hardware Installation And Reference Manual page 79

Installing a Cisco Nexus 7009 Chassis
Installing Storage Media in a Supervisor Module
Make sure that the card or USB drive is fully inserted inside the reader. If it is fully inserted, either format the card
(see the Cisco Nexus 7000 Series NX-OS Fundamentals Configuration Guide) or replace the storage media with
another that is properly formatted for the reader.
Cisco Nexus 7000 Series Hardware Installation and Reference Guide
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