STIO WQE failure events on NetApp end and disk operation error on AIX host reported due to faulty host end sfp
Applies to
- Ontap 9
- AIX Host
Issue
EMSlog on NetApp storage reports IO WQE failure with Ext_Status 0x16 and Ext_Status 0x1d
[?] Fri Jun 14 17:14:24 +0530 [NETAPP-01: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:3a IO WQE failure, Handle 0x4, Type 8, S_ID: 682Exy, VPI: 3, OX_ID: 1EB, Status 0x3 Ext_Status 0x16
[?] Fri Jun 14 17:15:17 +0530 [NETAPP-01: fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:3a IO WQE failure, Handle 0x4, Type 8, S_ID: 683Dxx, VPI: 3, OX_ID: 40E, Status 0x3 Ext_Status 0x1d
Ext_Status 0x16means that the Host initiator has sent an abort to clear the current command queue. This does not necessarily identify the issue or root cause but a symptom / side effect.Ext_Status 0x1didentifies that there is out of order frame delivery.-
DISK OPERATION ERRORreported on AIX host for the mapped NetApp disk: -
IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
DCB479xy 0614171624 T H hdisk170 DISK OPERATION ERROR
F31FFAxx 0614171624 I H hdisk170 PATH HAS RECOVERED -
Both Rx and Tx power are in the recommended range on storage end.
Rx- 543.1 (uWatts)
Tx- 630.5 (uWatts)
-
Low Rx power reported on the host connected switch port, indicating issue upstream , i.e cable or end device sfp.
=============Port 16:=============RX Power: -13.2 dBm (47.5 uW)TX Power: -3.3 dBm (465.4 uW)