Reviewing the effects of a service action

This section contains potential impacts of performing removal and replacement procedures on the resources contained within your storage unit.

Review the effects of a service action before you perform service on any of the following resources:

• Disk drive module
• Front display panel
• Rear operator panel
• Power supply
• Processor card
• Battery backup unit
• Fiber optic cables and SFPs
• Power cable

• Service effect for the battery backup unit
  Before you remove a battery backup unit, review the possible effects that a battery backup unit service action can have on your storage unit.
• Service effect for a DDM
  Before you remove a disk drive module, review the possible effects that a DDM service action can have on your storage unit.
• Service effect for the power supply
  Before you remove a power supply, review the possible effects that a power supply service action can have on your storage unit.
• Service effects for the processor card
  Before you remove a processor card, review the possible effects that a processor card service action can have on your storage unit.
• Service effect for the front display panel
  Before you remove a front display panel, review the possible effects that a front display panel service action can have on your storage unit.
• Service effects for the rear operator panel
  Before you remove a rear operator panel, review the possible effects that a rear operator panel service action can have on your storage unit.
• Service effects for cables and SFPs
  Before removing a cable or SFP, review the possible effects that a cable or SFP service action can have on your storage unit.
• Service effects for the power cable
  Before removing a power cable, review the possible effects that a power cable service action can have on your storage unit.