Prepare Phase Failed due to Free Space

Error:

$NE_BASE/log/adop/17/prepare_timestamp/TEST_hostname/TXK_SANITY_filesystemcheck/df.out
Execute SYSTEM command : df /ebs1/app/oracle/TEST/fs2
"df" command output:                      ******** *********** ******** 97% /ebs1


MINIMIUM SPACE REQUIRED (in GB): 25
FREE SPACE AVAILABLE    (in GB): 15.1493682861328
Space check FAILED.

[ERROR] Minimum file system space required 25 GB while you have 15.1493682861328 GB

Solution:

Remove old files in filesystem. Minimum 25GB should be available in server for running prepare phase