Battery For On-Board Raid (Lsi Logic Megaraid Sas Pci Express Romb) - NEC BladeServer Express5800 Series User Manual

4-76 Configuring Your Server
Battery for On-board RAID
(LSI Logic MegaRAID    SAS PCI EXPRESS    ROMB)
This section describes the features operations of battery for on-board RAID (LSI Logic
MegaRAID SAS PCI EXPRESS ROMB).
Features
The on-board RAID (LSI Logic MegaRAID SAS PCI EXPRESS ROMB) has factory-installed
battery.
With the following features, the possibility of data loss due to an unexpected accident (e.g., an
instantaneous power failure which may occur in Write Back mode) can be avoided.
Backup of data in cache memory of disk array controller
Improvement of reliability in Write Back mode
Adoption of reusable nickel hydrogen battery
Checking Battery Status
Use the disk array management utility MegaRAID Storage Manager to check status of battery for
on-board RAID (LSI Logic MegaRAID SAS PCI EXPRESS ROMB).
1.
Start OS, and run MegaRAID Storage Manager (MSM).
2.
If the battery is properly connected, the [Battery Backup Unit] icon is shown under the
[Physical] tab at the left frame of MSM.
Physical
Battery
Backup
Unit icon
NOTE:
Backup" is indicated as "Present" in [Adapter Properties] menu of
WebBIOS.
If the battery is properly connected, the status of "Battery