/opt/Commvault direcictory it's reached 90 %

/opt/Commvault direcictory it's reached 90 % .

verity the /opt/commvault/iDataAgent/jobResults, do not find much space occupied. 

:/opt/commvault/iDataAgent/jobResults$ du -sh *
217M    2
0       cvdccache
15M     CV_JobResults
4.0K    f8316f60ec2a509b69fb6b544aa71fa7.rtf
0       Instance001_CV_THROTTLE_SHMEM_IN
0       Instance001_CV_THROTTLE_SHMEM_OUT
4.0K    osc_config.xml
44K     SapHana
 

But /dev/mapper/cvlt        5.0G     4.5G     565M     90%       /opt/ commvault   its reached 90%.

any suggestions.