EonStor DS S12/S16/S24 Series Hardware Manual
When temperature exceeds a preset threshold, the controller’s charger circuits will
stop charging. You will then receive a message that reads “Thermal Shutdown/Enter
Sleep Mode.” When the temperature falls back within normal range, the battery will
resume charging.
4.5.2
I
2
C
The operating status of PSU and cooling fan modules are collected through an I
2
C
serial bus. If either of those modules fails, the failure will be detected and you will be
notified through the same methods as in the audible alarms.
4.6
Restoring Default System Settings
NOTE
Restoring default settings is a last-resort function. All configurations, such as
parameters and host LUN mappings, will be erased.
You may need to restore default settings in the following cases:
When the firmware update requires it.
When you need to retrieve the password to access the RAID subsystem.
4.6.1
Restoring Default Settings for Dual-Controller Models
To restore default settings for dual-controller models, follow these steps.
1. Stop all host I/Os.
2. Save the current configuration using the “
Save NVRAM
” function in the firmware
utility or the SANWatch software.
3. Make a list of the existing ID/LUN mapping information because the default
restoration will erase the ID/LUN mapping associations (e.g., which logical drive is
associated with which host ID/LUN)
4. Remove Controller B from the chassis. See
5.2 Replacing the Memory Module
for
the removal procedure.
123
