System shows Single-Path HA due to one SAS connection lost
Applies to
- FAS2650
- FAS2720
- FAS8000
Issue
- 0b port is offline and SAS connection is in the state of Single path-HA from
SYSCONFIG-A
System Storage Configuration: Single-Path HA
slot 0: SAS Host Adapter 0b (PMC-Sierra PM8070 rev. C, SAS, <OFFLINE (hard)>)
Firmware rev: 03.08.09.00
Base WWN: Base_WWN
Phy State: [4] Enabled, Rate unknown
[5] Enabled, Rate unknown
[6] Enabled, Rate unknown
[7] Enabled, Rate unknown
- Controller B is showing as CRITICAL from
STORAGE-FAULT
Vendor Unique Element 83-IOM12E: (SAS)
Element Status Status Bytes Status Descriptions
1 [IOM12E A] : OK 01,08,00,20 MASTER, RESERVED
2 [IOM12E B] : CRITICAL 02,80,00,E1 ADDITIONAL STATUS AVAILABLE, REFERENCE CLOCK FAULT, RESERVED, EXCEPTION DATA VALID, RESERVED