I already tried this, output is below:
{backup:1} admin@hostname> request system storage cleanup Please check the list of files to be deleted using the dry-run option. i.e. request system storage cleanup dry-run Do you want to proceed ? [yes,no] (no) yes fpc0: -------------------------------------------------------------------------- List of files to delete: Size Date Name 131B Jul 13 17:25 /var/log/default-log-messages.0.gz 666B Jul 13 17:25 /var/log/interactive-commands.0.gz 119B Jul 13 17:25 /var/log/messages.0.gz 27B Jul 13 17:24 /var/log/wtmp.0.gz fpc1: -------------------------------------------------------------------------- List of files to delete: Size Date Name 129B Jul 13 17:25 /var/log/default-log-messages.0.gz 687B Jul 13 17:25 /var/log/interactive-commands.0.gz 258B Jul 13 17:25 /var/log/messages.0.gz 70B Jul 13 17:25 /var/log/wtmp.0.gz {backup:1}