SAS port PHY disabled even after cable and IOM replacement
Applies to
- FAS systems
- AFF systems
Issue
- DegradedOnlinePort alert is reported for a SAS port:
[node-name: nchmd: hm.alert.raised:alert]: Alert Id = DegradedOnlinePort_Alert , Alerting Resource = 0d raised by monitor node-connect- From
sysconfig -alogs, it is found that one of the PHYs is disabled:
slot 0: SAS Host Adapter 0d (Broadcom SAS3616W rev. 2, SAS, <UP>)
Firmware rev: 12.00.00.00
NVDATA rev: 12.03.01.02
Base WWN: 5:XXXXX:XXXXX:4e
Temperature: Not Available
Phy State: [0] Enabled, 12.0 Gb/s
[1] Enabled, 12.0 Gb/s
[2] Enabled, 12.0 Gb/s
[3] Disabled
- The PHY remains disabled, even after replacing the cable and IOM connected to it.