The Administrator's Guide discusses modifying crontab entries or other scripts to prevent recursion. On Solaris systems, the standard cron job for removing old .nfs files is now in the script /usr/lib/fs/nfs/nfsfind, which is called by the root crontab, so you do not need a separate root crontab entry for removing old .nfs files. However, you can use the -prune option with any find commands in the crontab file to prevent recursion into mounted VOBs.
15 3 * * * find / –name core –mtime +7 –exec rm –f {} ';' –o –fstype nfs –prune
with
this entry: 15 3 * * * find / –name core –mtime +7 –exec rm –f {} ';' –o –fstype nfs –prune -o -fstype mvfs -prune