DATOptic RM12-S6.TB - Rackmount - Manual (Page 56)

165
APPENDIX
battery cells, allow the battery cell to be fully charged when
installed for the first time. The first time charge of a battery cell
takes about 24 hours to complete.
3. Set the “Disk Write Cache Mode”: Auto, if “Disk Write Cache”
option does not set on the “Auto”.
4. Set the volume set “Cache Mode”: Write-Back Cache.
B-6 Battery Functionality Test Procedure:
1. Writing amount of data into controller volume, about 5GB or
bigger.
2. Waiting for few seconds, power failed system by remove the
power cable.
3. Check the battery status, make sure the D9 is bright light,
and battery beeps every few seconds.
4. Power on system, and press Tab/F6 to login controller.
5. Check the controller event log; make sure the event shows
controller boot up with power recovered.
B-7 Changing the Battery Backup Module
At some point, the LI-ION battery will no longer accept a charge
properly. LI-ION battery life expectancy is anywhere from ap-
proximately 1 to 5 years.
1. Shutdown the operating system properly. Make sure that
cache memory has been flushed.
2. Disconnect the BBM cable from ARC-12x4 RAID controller
battery connector.
Note:
Do not remove BBM while system is running.