节点可通过 HA-IC 访问，但升级期间集群访问失败
适用于
- ONTAP 9
- 自动无中断升级（ANDU）
问题描述
ONTAP 集群变得不可用，如下所示：
netapp::> storage failover show
Node Partner Possible State Description
-------------- -------------- -------- -------------------------------------
netapp01 netapp02 - Up. Node accessible via HA-IC, but
cluster access failed
netapp02 netapp01 true Connected to netapp01
2 entries were displayed.