Icon Name Icon Description
Controller battery backup
unit (BBU)
• On: The BBUs of both controllers are operating
normally
• Flashing: The BBUs of both controllers are not
functioning
• Highlighted: The BBUs of both controllers are
charging
• Off: The BBUs of both controllers are not detected
If both controllers are powered on:
• Flashing: The BBU in controller A is not
functioning or is not detected
• Highlighted: The BBU in controller A is charging
If only controller A is powered on:
• On: The BBU in controller A is operating normally
• Flashing: The BBU in controller A is not
functioning or is not detected
• Highlighted: The BBU in controller A is charging
If both controllers are powered on:
• Flashing: The BBU in controller B is not
functioning or is not detected
• Highlighted: The BBU in controller B is charging
If only controller B is powered on:
• On: The BBU in controller B is operating normally
• Flashing: The BBU in controller B is not
functioning or is not detected
• Highlighted: The BBU in controller B is charging
High availability status • On: In active state
• Flashing: Performing takeover or undergoing
giveback
Highlighted: Controller A is in takeover state
Highlighted: Controller B is in takeover state
ES2486dc User Guide
Product Overview 12
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