Azure Cloud Volume ONTAP 上 NVLOG 传输的高延迟
适用于
- 适用于 Azure 的 Cloud Volumes ONTAP
- ONTAP 9
问题描述
- 在具有多个 CVO 卷的主机上报告缓慢
- EMS 记录了以下
Nblade.CifsOperationTimedOut错误：
Nblade.CifsOperationTimedOut: Detected a timed out CIFS operation. SMB command for this operation: SMB2_COM_QUERY_DIRECTORY, Number of times this command was suspended: 6, Number of times this command was restarted: 0, Last CSM error during this operation: CSM_OK, Remote blade UUID: 467652a8-47d3-11ef-92b5-6045bd641111 (Node-01), Is QoS enabled: QoS_disabled, Last nBlade error during this operation: 410 (Spinnp op has timed out in WAFL), Client IP address: 10.201.234.XXX, Local IP address: 10.201.233.XXX, Target Vserver ID: 3, Target disk's DSID: 1028, Target Vserver Name: svm1
- 从 NVLOG 看到报告缓慢的卷的高延迟
::> qos statistics volume latency show Workload ID Latency Network Cluster Data Disk QoS NVRAM Cloud FlexCache SM Sync --------------- ------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- ---------- -total- - 195.97ms 150.00us 0ms 796.00us 0ms 0ms 1195.03ms 0ms 0ms 0ms data1-wid30897 30897 1.60s 157.00us 0ms 818.00us 0ms 0ms 1.60s 0ms 0ms 0ms -total- - 536.23ms 110.00us 0ms 495.00us 0ms 0ms 535.63ms 0ms 0ms 0ms data1-wid30897 30897 0ms 0ms 0ms 0ms 0ms 0ms 0ms 0ms 0ms 0ms -total- - 7.42s 136.00us 0ms 743.00us 0ms 0ms 7.42s 0ms 0ms 0ms data1-wid30897 30897 1137.67ms 1.65ms 0ms 3.55ms 0ms 0ms 1132.47ms 0ms 0ms 0ms