在无中断升级(ONTAP NDU)期间、SQL见证协议未进行故障转移
适用场景
- ONTAP 9
- SQL
问题描述
- 在NDU ONTAP 升级过程中、SMB共享断开连接。
- 根据EMS日志：
Fri Apr 22 01:29:07 +0200 [node-01: kernel: Nblade.cifsWitnessFONotify:info]: The Witness service received a failure notification for the partner node. Notification of 0 CIFS clients to move their Continuously Available connections to this node took 0 milliseconds to complete.Fri Apr 22 01:52:08 +0200 [node-02: kernel: Nblade.cifsWitnessFONotify:info]: The Witness service received a failure notification for the partner node. Notification of 0 CIFS clients to move their Continuously Available connections to this node took 0 milliseconds to complete- BSD-netstat-ANCEWST日志显示SVM数据LIF 192.168.10.11与 同一节点上的端口445 (SMB端口)和端口40001 (见证)相关联。
tcp4 0 0 0 0 0 192.168.10.11.40001 192.168.117.101. 59030 ESTABLISHED 17 0x00081004 0 0 115525401 25 142 0 2948 65792 2101760 15154 1073725440 1460 cubic ontcp4 0 0 6220268 563626 0 192.168.10.11.445 192.168.117.101. 59027 ESTABLISHED 17 0x00081004 2 0 3644343808 0 140 34031G 15681G 3735716 16776704 503636 443356 1460 cubic on