To determine whether the specified file is a stub, type the following command:
cxfs_util -l | --list file_name
Example
# /opt/commvault/Base/cxfs_util -l "/folder1/data/uxfs.log.xz"
/folder1/data/uxfs.log.xz: stub# /opt/commvault/Base/cxfs_util -l "/leapp-data12.tar.gz"
/leapp-data12.tar.gz is NOT a stub