Meridian Data 16i ユーザーズマニュアル
SecurStor
16i
Installation and Hardware Reference Manual
C
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4
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.
C.6.3 UPS Message Summary
Table
C
-1 below summarizes the UPS messages described above.
It is
important that you become familiar with these messages and their meanings
to help maintain the integrity of the data running through your subsystem.
Message
AC Power
Battery
Power
Level (BPL)
Power
Level (BPL)
Write
Policy
Status
Policy
Status
UPS connection is absent
N/A N/A Write
back
UPS connection detected
N/A N/A Write
back
Warning: UPS AC Power-
Loss detected
Loss detected
Disconnected
BPL > 50%
Write through
Warning: UPS Battery
Low 50%. Please shut
down to protect data loss
Low 50%. Please shut
down to protect data loss
Disconnected
BPL < 50%
Write through
Warning: UPS Battery
Low 50%.
Low 50%.
Connected
BPL < 50%
Write through
UPS AC Power Restored
Reconnected
BPL > 50%
Write back
UPS AC Power Restored
Reconnected
BPL < 50%
Write through
UPS Battery restored to
safe level
safe level
Reconnected
BPL > 50%
Write back
Table C-1: UPS Status Messages