Azure HA对中的两个CVO节点都受同一维护事件的影响
适用场景
- ONTAP 9
- Cloud Volumes ONTAP （ CVO ）
- Microsoft Azure
问题描述
- 由于云提供商维护事件、两个节点在一分钟内都收到冻结事件
Sat Nov 12 12:01:07 -0500 [CVONODE-02: mgwd: vsa.scheduledEvent.scheduled:alert]: Cloud provider event scheduled for node [CVONODE-01". ID: 96CABDCB-D34C-4EE0-A425-BFEA34D31ADD. Type: freeze. Not before: 11/12/2022 12:15:43.
Sat Nov 12 12:01:50 -0500 [CVONODE-02: notifyd: callhome.invoke:notice]: Call home for USER_TRIGGERED (TEST:MAINT=1h Cloud Provider Maintenance Event. Status: scheduled. Type: freeze. VM: [CVONODE-vm2.)
Sat Nov 12 12:01:21 -0500 [CVONODE-01: mgwd: vsa.scheduledEvent.scheduled:alert]: Cloud provider event scheduled for node [CVONODE-02". ID: 4C50DF59-6939-473E-90E0-2200FFBF45E6. Type: freeze. Not before: 11/12/2022 12:15:43.
Sat Nov 12 12:02:01 -0500 [CVONODE-01: notifyd: callhome.invoke:notice]: Call home for USER_TRIGGERED (TEST:MAINT=1h Cloud Provider Maintenance Event. Status: scheduled. Type: freeze. VM: [CVONODE-vm1.)
- 收到冻结事件的第一个CVO节点会尝试暂停并被配对节点接管
- 配对节点开始接管、但由于云提供商后端出现故障、它无法访问磁盘和崩溃
- 两个节点均已关闭、从而导致意外中断