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QoS policy with duplicate PGIDs will not be effective in MCC cluster

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • ONTAP 9
  • MCC Clusters

Issue

  • QoS policy with duplicate PGIDs and some policies with unique PGIDs also will not be effective 
  • In mgwd.log a error as below is seen when the policies are being broadcasted to all the nodes in the cluster after a reboot or restart of mgwd service. Below logs show only 117 policy groups were sent to kernel out of 893 because of error detected for pgid 2323 being a duplicate.
Sat May 20 2023 02:57:39 04:00 [kern_mgwd:info:2051] 0x82f52f200: 0: NOTICE: QOS::rpc: resync_pg_table:src/qos/qos_rpc.cc:1515 Processing: 893 policy groups     <---------- Total of 893 policy groups
Sat May 20 2023 02:57:39 04:00 [kern_mgwd:info:2051] Error: Loop detected in next() for table qos_policy_group_by_pgid. Next on "2323" returned "2323".            <----------------------- Duplicate pgid 
Sat May 20 2023 02:57:39 04:00 [kern_mgwd:info:2051] 0x82f52f200: 0: NOTICE: QOS::rpc: resync_pg_table:src/qos/qos_rpc.cc:1579 117 policy groups were sent (trans 0) to kernel  <------------ Only 117 policy groups sent

 

 

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