When scanning VMware data store ONTAP reports IO WQE failure on multiple ports
Applies to
- ONTAP
- VMware
- Qlogic
- 3PAR
Issue
- Datastore disconnection and performance degradation when scanning storage adapters from VMware
- ONTAP reports IO WQE failure on multiple ports
- Mixed SAN storage vendor environment with Host Qlogic HBA is unreliable after re-scan
Example EMS entries:
fct_tpd_work_thread_0: fcp.io.status:debug]: STIO Adapter:3b IO WQE failure, Handle 0x3, Type 8, S_ID: 160100, VPI: 259, OX_ID: 4AE, Status 0x3 Ext_Status 0x16
vmkernel.log
qlnativefc: vmhba1 DIF ERROR in cmd: 0x28 Type=0x0 lba=0x1800 actRefTag=0x0, expRefTag=0x1800, actAppTag=0xf00, expAppTag=0x0, actGuard=0x1f8, expGuard=0x5810.
qlnativefc: vmhba1 Mid-layer underflow detected (8 of 512 bytes).