Remote OPS observed on LUNs when using Oracle ASM
This KB article is linked to the Interactive Workflow Workflow Host TS Workflow.
Applies to
- ONTAP
- RHEL/OEL
- Oracle ASM
Issue
- Remote OPS are observed on LUNs mapped to RHEL/OEL servers which are using Oracle ASM as Volume Manager.
- The issue is observed even if multipathing parameters are set on host as per NetApp best practices.
Following command output shows remote OPS:
cluster1::*> statistics show-periodic -object lun -vserver svm_win -instance /vol/vol_win/lun1 -counter total_ops|remote_ops|remote_bytes
cluster1: lun./vol/vol_win/lun1: 5/18/2020 22:02:26
remote remote total
bytes ops ops
-------- -------- --------
35B 2 2
29B 1 1
31B 3 3
26B 2 2