Avago Technologies Cache Protection for RAID Controller Cards - Manual (Page 127)

Avago Technologies
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Cache Backup Products for MegaRAID SAS+SATA RAID Controllers User Guide
May 2015 Chapter 3: Monitoring and Managing Battery Backup Units and CacheVault Modules
Monitoring and Managing BBU Units with the MegaRAID Configuration Utilities
The following dialog appears.
Figure 86 Battery Management
The following table describes the basic battery properties.
Table 14 Basic Battery Management Properties
4. To display advanced battery properties, highlight Advanced and press Enter.
The following dialog appears.
Property Description
Type Type of the battery, such as SuperCaP (super-capacitor, known as the
CacheVault Power Module).
Status Current status of the battery, such as Optimal.
Temperature Indicates the current temperature of the battery. Also indicates whether the
current temperature of the battery is normal or high.
Retention
Time The number of hours the battery can support the data in event of a power
failure.
See Section 4.3, Battery Life and Data Retention Time , on page 135 , for detailed
data retention time for each BBU unit.
Capacitance Available capacitance of the battery, stated as a percentage.