"SinglePathToDiskShelf_Alert" occurs when IOM information cannot be read correctly

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Category:: fas-systems

Specialty:: hw

Last Updated:

Applies to

DS212C
DS224C

Issue

The health alert is received:

Health Monitor process nchm: SinglePathToDiskShelf_Alert

sysconfig -a does not show IOM B information:

Shelf 0:DS224-12 Firmware rev. IOM12B A: 0120 IOM12B B: 0120 Shelf 1:DS224-12 Firmware rev. IOM12B A: 0120 IOM12B B: 0120 Shelf 2:DS224-12 Firmware rev. IOM12B A: 0120 IOM12B B: 0120 Shelf 3:DS224-12 Firmware rev. IOM12B A: 0120 B: ---- Shelf 4:DS224-12 Firmware rev. IOM12B A: 0120 IOM12B B: 0120

STORAGE-SHELF-PORT.XML shows IOM status “false disconnected”

1.3 4 Bfalse false disconnected 1 1.3 5 Bfalse false disconnected 2 1.3 6 Bfalse false disconnected 3 1.3 7 Bfalse false disconnected 4

STORAGE-SHELF.XML reports critical error for IOM:

Shelf Name:2.27
Error Identifier:11
Error Text:Critical error detected in module "2".
Corrective Action:
Verify that the shelf module is fully seated and secure. If the problem persists, replace the disk shelf module.