Configuring the cluster

Defining takeover parameters and options

Parameters that must match

The parameters listed in the following table must match on each filer. See the System Administrator's Guide for more information about these parameters.

Parameter	Command
ARP table	`arp`
date	`date, rdate`
NDMP on or off	`ndmpd` {on \| off}
route table published	`route`
routed enabled	`routed` {on \| off}
time zone	timezone name

Configuration files that must match

The following configuration files must have identical contents:

/etc/resolv.conf
/etc/httpd.mimetypes
/etc/dgateways
/etc/nsswitch.conf
/etc/rc
Note
The /etc/rc file of both filers must have the same value for the nfs command (on or off), or the nfs command must be absent from the /etc/rc file on both filers.

Setting matching options

To verify that specific options on the filers have the same settings, complete the following steps.

Step	Action
1	Enter the following command at each filer's console: options Result The current option settings on the filer are listed. Output similar to the following is displayed: autosupport.doit DONT autosupport.enable off . . . dns.domainname fido (shared in takeover) dns.enable off (shared in takeover) ftpd.enable off . . .
2	Verify that the options that have comments in parentheses are set to the same value for both filers. The comments you see are as follows: Shared in takeover Must be the same in local+partner Should be the same in local+partner
3	Set the options to the same values by entering the following command: options option_name option_value

Step

Action

Enter the following command at each filer's console:

options

Result

The current option settings on the filer are listed. Output similar to the following is displayed:

autosupport.doit             DONT

autosupport.enable           off

dns.domainname               fido     (shared in takeover)

dns.enable                   off      (shared in takeover)

ftpd.enable                  off

Verify that the options that have comments in parentheses are set to the same value for both filers. The comments you see are as follows:

Shared in takeover
Must be the same in local+partner
Should be the same in local+partner

Set the options to the same values by entering the following command:

options option_name option_value

Options that must be the same

The options in the following table must be the same on both filers. If these options are not the same on both filers, the takeover filer cannot take over its partner's resources if the partner fails. See the System Administrator's Guide for more information about these options.

Option	Default value
rsh.enable	on
snmp.enable	on
telnet.enable	on
telnet.host	----

Options that should be the same

The options in the following table should be the same on both filers. If these options are not the same on both filers, the takeover filer might not be able to take over its partner's resources if the partner fails. See the System Administrator's Guide for more information about these options.

Option	Default value
timed.max.skew	30m
timed.pronto	ntp
timed.sched	hourly
timed.servers	----

Options that are shared in takeover

The options in the following table are shared between the filers during takeover. Setting these options to the same values on both filers ensures consistent results during takeover. See the System Administrator's Guide for more information about these options.

Option	Default value
cifs.show_snapshot	off
dns.domainname	----
dns.enable	off
httpd.admin.enable	off
httpd.log.format	common
httpd.timeout	300
httpd.timewait.enable	off
ip.match_any_ifaddr	on
ip.path_mtu_discovery.enable	off
nfs.per_client_status.enable	off
nfs.v2.df_2gb_lim	off
nfs.v3.enable	on
nis.domainname	----
nis.enable	off
nis.group_update.enable	off
nis.group_update_schedule	24
nis.servers	----
pcnfsd.enable	off
pcnfsd.umask	11
raid.timeout	99
vol.copy.throttle	10
wafl.convert_ucode	off
wafl.create_ucode	off
wafl.maxdirsize	9999
wafl.nt_admin_priv_map_to_root	on
wafl.root_only_chown	off
wafl.wcc_minutes_valid	20