The details aren't there, so it's "assume" rather than "understand". The only proper response to OP's question is to ask for clarification: is the subdomain po

The details aren't there, so it's "assume" rather than "understand". The only proper response to OP's question is to ask for clarification: is the subdomain pointing to a separate IP? Are the logs vhost-specific or not? If you don't get the answers, all you can do is to assume, and both assumptions may end up being right or wrong (with varying probability, perhaps).