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setup - update filer configuration
setup
setup queries the user for the filer configuration parameters
such as hostname, IP address, and timezone. It
installs new versions of /etc/rc, /etc/hosts, /etc/exports,
/etc/resolv.conf, /etc/hosts.equiv, and /etc/dgateways to
reflect the new configuration. When setup completes, the
configuration files have been been updated, but their new
contents do not take effect until the filer is rebooted (see
na_reboot(1)). The old contents of the configuration files
are saved in rc.bak, exports.bak, resolv.conf.bak,
hosts.bak, hosts.equiv.bak, and dgateways.bak.
One piece of information that setup requests is the name and
IP address for adminhost. In /etc/exports, adminhost is
granted root access to / so that it can access and modify
the configuration files in /etc. All other NFS clients are
granted access only to /home. If no adminhost is specified,
then all clients are granted root access to /. This is not
recommended for sites where security is a concern.
If an adminhost is specified, then an additional line is
added to the /etc/hosts file to point the default mailhost
to the adminhost. This is used by the autosupport daemon
(see na_autosupport(8)) to send email notification.
If a default gateway is provided to setup, it will be used
in /etc/rc to specify a default route (see na_route(1)), and
will also be used as the first entry in /etc/dgateways.
The hostname that is provided to setup is used to construct
default names for all of the configured network interfaces.
Ethernet interfaces are given names hostname-0, hostname-1,
and so on. The FDDI interfaces are named hostname-f0,
hostname-f1, and so on, and the ATM interfaces are named
hostname-fa0, hostname-fa1, and so on.
- /etc
- directory of filer configuration and
administration files
- /etc/rc
- system initialization command script
- /etc/exports
- directories exported by the server
- /etc/hosts
- host name data base
- /etc/hosts.equiv
- list of hosts and users with rsh permission
- /etc/resolv.conf
- list of DNS name servers
- /etc/dgateways
- list of preferred default gateways for
routed
/etc/nsswitch.conf list of preferred name services
After a takeover, you can enter the setup command in partner
mode to configure the failed filer. However, only the network
interfaces on the failed filer that were taken over
appear in the prompts displayed by setup. For example, if
the e1 interface on the failed filer was not configured and
taken over by the live filer, the setup command does not
prompt you for the IP address of the e1 interface.
na_ifconfig(1), na_partner(1), na_reboot(1),
na_dgateways(5), na_exports(5), na_hosts(5),
na_hosts.equiv(5), na_resolv.conf(5), na_rc(5),
na_autosupport(8)
Some Ethernet boards determine the media type automatically.
It is not necessary to specify the media type for them, but
it is best to do so anyway in case the board is replaced
with one that does not determine media type automatically.
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