Will the configuration of an AR router be lost after the SRU is replaced

The configuration file of an AR router is stored in the storage medium of the SRU.
For a single-control router, the configuration of a router is subject to the new SRU.
For a dual-control router, the router automatically copies the configuration file to the standby SRU after the active SRU is switched over to the standby SRU.

Other related questions:
Why is the DHCP configuration lost on an AR after a while
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