Control Station: Checking if file system usage is under limit.............. Fail

When doing a nas_checkup on my NS20 I receive the warning above.

Is this something to be concerned about?

I cannot see any log files to delete to make more space available.

[nasadmin@*****************~]$ df

Filesystem           1K-blocks      Used Available Use% Mounted on

/dev/hda3              2030768   1109688    816256  58% /

tmpfs                  1037664         0   1037664   0% /dev/shm

/dev/hda1               264445     15631    235161   7% /boot

/dev/mapper/emc_vg_pri_ide-emc_lv_home

                        604736     17024    556992   3% /home

/dev/mapper/emc_vg_pri_ide-emc_lv_celerra_backup

                        846632    188376    615248  24% /celerra/backup

/dev/mapper/emc_vg_pri_ide-emc_lv_celerra_backendmonitor

                          7931      1190      6332  16% /celerra/backendmonitor

/dev/mapper/emc_vg_pri_ide-emc_lv_celerra_audit

                        118997     93995     18858  84% /celerra/audit

/dev/nde1              1739292   1598976     51964  97% /nbsnas

/dev/hda5              2063059    826418   1131819  43% /nas

/dev/nda1               136368     33520    102848  25% /nbsnas/dos

/dev/mapper/emc_vg_lun_0-emc_lv_nbsnas_jserver

                       1427184    104568   1250120   8% /nbsnas/jserver

/dev/mapper/emc_vg_pri_ide-emc_lv_nas_jserver

                       1427184    104572   1250116   8% /nas/jserver

/dev/mapper/emc_vg_lun_5-emc_lv_nas_var

                         99150      5671     88359   7% /nbsnas/var

/dev/mapper/emc_vg_lun_0-emc_lv_nas_var_dump

                       1705344    753640    865076  47% /nbsnas/var/dump

/dev/mapper/emc_vg_lun_0-emc_lv_nas_var_auditing

                        118997     16571     96282  15% /nbsnas/var/auditing

/dev/mapper/emc_vg_lun_5-emc_lv_nas_var_backup

                        846632    222368    581256  28% /nbsnas/var/backup

/dev/mapper/emc_vg_lun_5-emc_lv_nas_var_emcsupport

                        564416     16840    518904   4% /nbsnas/var/emcsupport

/dev/mapper/emc_vg_lun_5-emc_lv_nas_var_log

                        210215      5925    193436   3% /nbsnas/var/log

/dev/mapper/emc_vg_pri_ide-emc_lv_celerra_commoncache

                        507748     34171    447363   8% /celerra/commoncache

/dev/mapper/emc_vg_pri_ide-emc_lv_celerra_ccc

                        564416     16840    518904   4% /celerra/ccc

/dev/mapper/emc_vg_pri_ide-emc_lv_celerra_wbem

                       1032088    387672    591988  40% /celerra/wbem