A method is used in dynamic application aware storage configuration. A storage system configuration policy is received that includes one or more sets of device generic application best practices and one or more sets of device specific best practices. Initial storage system configuration processing is performed in connection with configuring a data storage system. The storage system configuration policy is used in performing said initial storage system configuration processing. Storage objects are identified as being in use by an application. Application aware ongoing storage system configuration processing is performed in connection with configuring the data storage system for use with the storage objects.