
Troubleshooting and Problem Solving
DataDirect Networks EF2800 FC RAID Storage System User Guide (V 1.0)
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10.18.3 Voltage and Temperature Errors and Warnings
Most voltage and temperature errors and warnings relate to the power
supply/cooling modules. Check the following to resolve these errors or
warnings:
1. Check that all of the fans are working by making sure all of the
EF2800’s LEDs are green or using the SAM status pages.
2. Make sure that all the EF2800 modules are properly seated in their
slots and that their handles are locked.
3. Make sure that no slots are left open for more than two minutes.
If you need to replace a module, leave the old module in place
until you have the replacement ready or use a blank cover to close
the slot. Leaving a slot open negatively affects the airflow and may
cause the unit to overheat.
4. Try replacing each power supply/cooling module, one at a time.
5. Replace the SM modules, one at a time.
10.19 Slow Write Performance
This can be caused by powering down the enclosure without first
shutting down the controllers.
N
OTE
:
The battery must be greater than 90% charged for write-back
cache to be enabled.
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