DNS问题描述导致所有节点上的Vscan服务器断开连接、并且没有任何断开原因
适用场景
- ONTAP AV连接器
- ONTAP 9及更高版本
- 所有防病毒解决方案
- ONTAP AV连接器1.0.4
问题描述
- Vscan连接状态显示所有节点均已断开连接、并且没有断开连接的原因。
cluster1::> vserver vscan connection-status show-all
Connection
Vserver Node Server Status Disconnect Reason
----------- ----------------- --------------- -------------- -----------------
vs1 Cluster-01 1.1.1.1 disconnected -
vs1 Cluster-02 2.2.2.2 disconnected -- AVSHIM日志指示以下错误：
05/31/24-09:38:23.560Z Attempting reverse DNS lookup of 1.1.1.1 05/31/24-09:38:23.560Z Found host vs1.domain.local for IP 1.1.1.1 05/31/24-09:38:23.560Z vs1.domain.local resolves to multiple IP addresses; cannot use it. 05/31/24-09:38:23.560Z 1.1.1.1 could not be converted to a DNS name 05/31/24-09:38:23.571Z [Pipe: 1.1.1.1, ][r] CreateNamedPipe failed with 86. closingQ: [0] 05/31/24-09:37:59.350Z Attempting reverse DNS lookup of 2.2.2.2 05/31/24-09:37:59.350Z Found host vs1.domain.local for IP 2.2.2.2 05/31/24-09:37:59.350Z vs1.domain.local resolves to multiple IP addresses; cannot use it. 05/31/24-09:37:59.350Z 2.2.2.2 could not be converted to a DNS name 05/31/24-09:37:59.366Z [Pipe: 2.2.2.2, ][r] CreateNamedPipe failed with 86. closingQ: [0]
- LIF IP的nslookup 返回相同的 DNS名称。
C:\Windows\system32> nslookup 1.1.1.1
Server: UnKnown
Address: 10.1x.x0x.1x
Name: vs1.domain.local
Address: 1.1.1.1
C:\Windows\system32> nslookup 2.2.2.2
Server: UnKnown
Address: 10.1x.x0x.1x
Name: vs1.domain.local
Address: 2.2.2.2