Increased latency and timeouts due to vscan latency
Applies to
- ONTAP 9
- VSCAN
Issue
- Increased latency is seen when copying files
-
EMS logs show Nblade_CifsOperationTimedOut error :
kernel: Nblade_CifsOperationTimedOut_1:error]: params: {'remoteBladeID': '<id> (<node_name>)', 'cmdRestartCnt': '0', 'vserverId': '7', 'commandName': 'SMB2_COM_CREATE', 'isQosEnabled': 'QoS_disabled', 'lastSpinNpError': 'SPINNP_ERR_OFFBOX_VSCAN_REQD', 'localIpAddress': '10.xx.xx.xx', 'lastCsmError': 'CSM_OK', 'clientIpAddress': '10.xx.xx.xx', 'vserverName': '<svm_name>', 'suspensionCnt': '<count>', 'dsId': '<id>'}
or
Tue May 21 10:36:18 +0900 [node-01: kernel: ems.engine.suppressed:debug]: Event 'Nblade.CifsOperationTimedOut' suppressed 60 times in last 273 seconds.
…
Tue May 21 10:41:53 +0900 [node-01: kernel: ems.engine.suppressed:debug]: Event 'Nblade.CifsOperationTimedOut' suppressed 180 times in last 331 seconds.