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E-Series replacement controller boots into OE LU state when expansion enclosure contain IOM12B modules

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Applies to

  • NetApp E-Series
  • Controller Replacement
  • NetApp E-Series DE460C expansion shelf with IOM12B modules (Note the blue stripe vertically across the modules).

Ermine_IOM12B.jpg

Issue

  • After performing a controller replacement, the replacement goes into lock down state with the display code being OE LU.
  • The controller console output or (excLogShow command) indicate the following assertion is hit by the controller:
ASSERT: Assertion failed: slotNum < numSlots, file ionLogicalUnit.cc, line 5240
 

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