EonStor DS S12/S16/S24 Series Hardware Manual
4.6.2 Restoring Default Settings for Single-Controller Models
To restore default settings for single-controller models, follow these steps.
1. Stop all host I/Os.
2. Save the current configuration using the “Save NVRAM” function in the firmware
utility or the SANWatch software.
3. Make a list of the existing ID/LUN mapping information because the default
restoration will erase the ID/LUN mapping associations (e.g., which logical drive is
associated with which host ID/LUN)
4. Power off the RAID subsystem.
5. Press and hold the Restore Default button on Controller A. You may use a
straighten paper clip to press the button. While pressing the Restore Default button
down, power on the RAID subsystem.
6. When the “Restore Def.” LED will turn on and the “Default Restored” firmware
event message appear, you may release the Restore Default button (the system
default has been restored).
7. Restore previous settings using the “Restore NVRAM from Disks“ or “Restore
NVRAM from Files” functions. ID/LUN mapping will be restored.
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