Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 532)

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These settings control how the Vess R2000 subsystem detects the UPS unit and responds to data reported by
the UPS unit.
To make UPS settings:
1. From the Main Menu, highlight Additional Info and Management and press Enter .
2. Highlight UPS Management and press Enter .
3. Highlight UPS Settings and press Enter .
4. Perform the following actions as required:
• Verify the Current UPS Communication method. See Note 1:
SNMP – Network connection.
Serial – Serial connection.
Unknown – No connection.
• Choose a Detection Setting from the drop-down menu:
Automatic – Default. If a UPS is detected when the subsystem boots, the settings changes
to Enable.
Enable – Monitors UPS. Settings changes, reports warnings, and logs events.
Disable – Monitors UPS only.
• Type values into the Threshold fields. See Note 2:
Running Time Remaining Threshold – Actual time below this value resets adaptive write-
back cache to writethrough.
Warning Temperature Threshold – Actual temperature above this value triggers a warning
and logs an event.
Loading Ratio Threshold – Actual loading ratio (percentage) above this threshold triggers a
warning and logs an event. See Note 3.
Battery Charge Remaining Threshold – Reserve capacity below this percentage triggers a
warning and logs an event.
• For UPS units with network cards, type the IP addresses or
DNS names in fields UPS 1 and UPS 2. See Note 4.
5. Press Control-A to save your settings.
Note 1: Vess R2000 supports multiple UPS units using network or serial connections, but not a
combination of both methods.
Note 2: Detection Setting must be set to Auto. If a UPS is detected, the settings changes to Enable.
Note 3: The maximum recommended Loading Ratio varies among models of UPS units. The general range