3Ware 9500S-4LP User Guide - Page 74

Test Battery Capacity, Battery Temperature, Estimated Backup Capacity., Last Capacity Test.

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3ware Disk Manager (3DM 2) case of a voltage error the BBU status will change to "Fault" and the battery will be disconnected electronically. Battery Temperature. Indicates the temperature status of the battery. The BBU measures and evaluates the battery pack temperature continuously. If the temperature falls outside the normal range, warning or error level AENs are generated based on the measured temperature. In the case of a temperature error, the BBU status will change to "Fault" and the battery will be disconnected electronically. Estimated Backup Capacity. Indicates the estimated backup capacity in hours. This is the amount of time that the battery backup unit can protect the data in the 3ware RAID controller's cache memory. This field is set to zero at the start of a new test and is updated after the test completes. A capacity of zero will also show if the BBU is disconnected and then reconnected. Under optimal conditions, a battery can protect for up to 72 hours. However, with a fresh battery, you may see a higher number in this field. As the battery ages, the backup capacity diminishes. Last Capacity Test. Indicates the date when the last battery test was completed. To test the battery click the Test Battery Capacity link. For details, see "Testing Battery Capacity" on page 148. Battery Installation Date. Indicates when the BBU last detected the battery pack was removed and replaced. 68 3ware 9000 Series Serial ATA RAID Controller User Guide

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3ware Disk Manager (3DM 2)
68
3ware 9000 Series Serial ATA RAID Controller User Guide
case of a voltage error the BBU status will change to “Fault” and the battery
will be disconnected electronically.
Battery Temperature
. Indicates the temperature status of the battery. The
BBU measures and evaluates the battery pack temperature continuously. If the
temperature falls outside the normal range, warning or error level AENs are
generated based on the measured temperature. In the case of a temperature
error, the BBU status will change to “Fault” and the battery will be
disconnected electronically.
Estimated Backup Capacity.
Indicates the estimated backup capacity in
hours. This is the amount of time that the battery backup unit can protect the
data in the 3ware RAID controller's cache memory. This field is set to zero at
the start of a new test and is updated after the test completes. A capacity of
zero will also show if the BBU is disconnected and then reconnected.
Under optimal conditions, a battery can protect for up to 72 hours. However,
with a fresh battery, you may see a higher number in this field. As the battery
ages, the backup capacity diminishes.
Last Capacity Test.
Indicates the date when the last battery test was
completed. To test the battery click the
Test Battery Capacity
link. For
details, see “Testing Battery Capacity” on page 148.
Battery Installation Date.
Indicates when the BBU last detected the battery
pack was removed and replaced.