Technical data

Replacing the SC
SI I/O module
CAUTION:
The SCSI I/O module with an integrated EMU is not hot-pluggable. Before replacing the module, all I/O
from the servers must be stopped and the MSA must be powered down.
Before you begin
CAUTION:
• Before removing a component or blanking panel from an operational device, make sure that you
have the replacement part available. Removing a component or blank impacts the airflow and
cooling ability of the device. To avoid possible overheating, insert the new or replacement component
withinoneortwominutes. Iftheinternaltemperatureexceedsacceptablelimits,thedevicemay
overheat and automatically shut down or restart.
• Parts can be damaged by electrostatic discharge. Use proper anti-static protection.
Verifying component failure
Before replacing the SCSI I/O module:
• Verify that the module status LED is not illuminated or is flashing amber.
• Check the array controller LCD display panel for error messages and take appropriate action.
Removing the component
1. Review al
l warnings, cautions, and preparation procedures as detailed in Warnings and precautions.
NOTE:
Before re
moving the SCSI I/O module, label all cables. This ensures their reconnection in
the corr
ect configuration.
2. Disconnect all SCSI cables from the SCSI I/O module.
3. PressdownontheSCSII/Omodulelatch(1)andpulltheSCSII/Omoduleoutoftheenclosure(2).
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Customer replaceable components