NEC Express5800 Series Maintenance Manual page 35

Chapter 1 Maintenance
[?] Event ID505:
If the N8103-153 or N8103-162 extra battery is mounted, the following message may be registered in the
RAID log of Universal RAID Utility and OS logs (Windows event log, Linux syslog)
Event source
Event ID
Type
Description
If the above event is registered, check the Cache Mode (current value) of the RAID Controller with

Universal RAID Utility.
→ If the Cache Mode (current value) is Write Back, use the battery as is because there is no
problem.
→ If the Cache Mode (current value) is Write Through, the battery refresh operation causes the
battery temperature to rise temporarily. This event temporarily stops the refresh operation, so the
battery temperature drops and the refresh operation resumes. However, it may take time till the
temperature drops. After the refresh operation is completed, the Cache Mode (current value)
changes to Write Back. If the Cache Mode does not change to Write Back although 24 hours
have elapsed, the battery may be faulty. Replace the battery.
[?] Event ID510:
The following event to prompt battery refresh is logged if additionally battery for RAID Controller has not been
refreshed for about 1 year from beginning of use. (W, X: Number of RAID Controller)
Event source
Event ID
Type
Description
→ Additional battery for RAID Controller is not refreshed automatically except for the first time.
However, it is recommended to perform battery refresh once a year as guideline for stable
operation of battery.
Use Universal RAID Utility to perform battery refresh manually. Refer to Universal RAID Utility
User's Guide stored in EXPRESSBUILDER for more information.
[?] DISK LED flashes
DISK LED flashes frequently even while the Hard Disk Drive is not accessed.

→ When Patrol Read is running, the DISK LED flashes even if the Hard Disk Drive is not being
accessed. If SATA Hard Disk Drive is used, the DISK LED may stay on.
: raidsrv
: 505
: Warning
: <RU0505> [CTRL: Number of RAID Controller] Temperature of battery is high.
: raidsrv
: 510
: Info
: [CTRL: W (ID=X)]
Battery needs to be refreshed.
Express5800/E120e-M Maintenance Guide
5. Troubleshooting
35