... well, the logfile is telling you the error:
Code:
sh: /ek_ora/script/check_oracle_filesystem.ksh: not found
.. but the crontab you posted says:
Code:
0 0 * * * /ek_ora/script/check_filesystem_size.ksh > dev/null >&1
What's the actual name of the script?
What's actually in crontab?
