EonStor
The following messages may appear on the LCD screen:
Message 1: “UPS connection is absent”
This message appears when COM2 has not been connected to the UPS.
Message 2: “UPS connection detected”
This message appears when the COM2 ports on the subsystem have been connected to the UPS.
Message 3: “Warning: UPS AC
This message appears when the UPS battery power level remains above 50% but its connection to the AC power supply has been disrupted in some way. The write policy changes from write back to write through.
Message 4: “Warning: UPS Battery Low 50%. Please shut down to protect data loss”
This message appears when the UPS battery power level has dipped below 50% of its capacity and the UPS has either been disconnected from the AC power supply or the AC power supply has been disrupted. The write policy will be changed from the default write back to write through. If this message appears, the subsystem should be properly shut down to avoid data loss.
Message 5: “Warning: UPS Battery Low 50%”
This message appears when the UPS battery power level has dipped below 50% of its capacity. The default write policy will be changed from the default write back to write through.
Message 6: “UPS Battery restored to safe level”
This message appears when the UPS battery power level has been restored to above 50% of its capacity. The write policy will be changed from write through to write back.
Message 7: “UPS AC Power Restored”
This message appears when the AC power supply to the UPS has been reconnected. If the UPS battery power level is below 50%, the write policy will remain as write through. If the battery power level is above 50%, the write policy will change from write through to write back.
UPS Status Monitoring |