Well, there is a TTL mechanish that determines the data-type age.
For example:
credential cache = deault 1hr
Hostname to IP cache = default 24hr
Name service:
You can change the time-to-live setting for DNS entries by using the options dns.update.ttl
command.
filer> options dns.update.ttl time
time can be set in seconds (s), minutes (m), or hours (h), with a minimum value of 600 seconds
and a maximum value of 24 hours.
To set the TTL to two hours, enter the following command:
filer>options dns.update.ttl 2h
Credentials:
In 7-Mode, export policy rules are cached based on the following NFS options:
https://library.netapp.com/ecmdocs/ECMP1401220/html/GUID-EB4887D4-4C86-4A05-9051-A6A1D564AFFF.html
Note: You can use the exportfs -f command to manually remove entries from the access cache anytime.