PHY in SAS channlel reports invalid word errors or running disparity errors
Applies to
- Stretch Metrocluster
- ATTO FibreBridge 7500N / 7600N
Issue
- Invalid word and running disparity errors in one path, shelf and IOM:
[node_name: dsa_worker5: ds.sas.running.disparity:debug]: [HST0] on channels 9a shelf ID 20 IOM A bay - reports running disparity errors.
[node_name: dsa_worker4: ds.sas.invalid.word:debug]: [HST0] on channels 9a shelf ID 20 IOM A bay - reports invalid word errors.Storage-shelfAutoSupport section counters:
Shelf name: 9a.shelf20
Shelf id: 20
Channel: 9a
Module: A
...
Shelf state: ONLINE
Module state: OK
Partial Path Link Invalid Running Loss Phy CRC Phy
Disk Port Timeout Rate DWord Disparity Dword Reset Error Change
Id State Value (ms) (Gb/s) Count Count Count Problem Count Count
--------------------------------------------------------------------------------------------
[HST0] OK 7 12.0 0 2403 768 0 0 24
[HST1] OK 7 12.0 0 0 0 0 0 24
[HST2] OK 7 12.0 0 0 0 0 0 24
[HST3] OK 7 12.0 0 0 0 0 0 24
...