DNS resolving issue
Posted: 2020/06/25 09:04:43
I have a hybrid datacenter (Linux and Windows), DNS server is a Microsoft windows server.
i have 3 Oracle database server clustered with oracle clusterware.
these 3 servers are configured to resolve from 2 Microsoft DNS servers, my resolv.conf file content is:
search xxxxxx.com
domain xxxxxx.com
namserver x.x.x.x
nameserver x.x.x.x
the problem is, when the first nameserver is unreachable for any reason, linux start to resolve from the second one, but it has been tried to resolve from the first one every time and when it returns with unreachable error then it resolves from the second one.
this action is makes the clusterware hange which means we must reboot all 3 oracle database servers, which means that everything will be down.
i want to make linux resolve from the second nameserver without trying to resolve from the first one in case of the first nameserver is unreachable to avoid the clusterware hange issue.
Thanks in advance.
i have 3 Oracle database server clustered with oracle clusterware.
these 3 servers are configured to resolve from 2 Microsoft DNS servers, my resolv.conf file content is:
search xxxxxx.com
domain xxxxxx.com
namserver x.x.x.x
nameserver x.x.x.x
the problem is, when the first nameserver is unreachable for any reason, linux start to resolve from the second one, but it has been tried to resolve from the first one every time and when it returns with unreachable error then it resolves from the second one.
this action is makes the clusterware hange which means we must reboot all 3 oracle database servers, which means that everything will be down.
i want to make linux resolve from the second nameserver without trying to resolve from the first one in case of the first nameserver is unreachable to avoid the clusterware hange issue.
Thanks in advance.