If you are using TAB file data on the file system, this data needs to be in a shared location accessible by all instances of Spectrum in the load balanced environment. It is also important to note that all named resources in the repository accessing data on the file system should point to this shared location.
Each VM or machine hosting Spectrum needs to have access to the mounted shared drive.
Note: Using named resources that point to database tables do not require a shared drive, as
the named resources in the repository do not access the data using a file path; rather
they use a named connection to the data in the database.