An IBM Tivoli Workload Scheduler administrator finds that most of the job streams are carried forward during each production day. Which action should the administrator take to ensure that only a few job streams need to be carried forward？ （）
An application writes to a log file in the /logs filesystem that is full. After the log file is deleted, 'df' still shows the filesystem as 100% full. What is the likely cause of the problem and what will resolve it?（）
