ha_peer(4) ha_peer(4)
NAME
ha_peer - Xsan HA Peer Server IP Address
SYNOPSIS
/Library/Preferences/Xsan/ha_peer
DESCRIPTION
The Xsan File System /Library/Preferences/Xsan/ha_peer file provides
the IP address of the peer server in an Xsan High Availability (HA)
cluster configuration to the snhamgr_daemon and fsmpm processes. It
must be configured on both servers. The ha_peer file may also be used
to change the default IP port (5189) used by the snhamgr_daemon and
snhamgr processes.
The ha_peer IP address allows the fsmpm processes to negotiate the
restarting of HA Timers to avoid unnecessary HA Reset incidents when
metadata writes are delayed by heavy disk activity, and to detect mis-
configured /Library/Preferences/Xsan/ha_smith_interval HA Timer over-
ride values. For HA clusters with an HaShared file system, the address
also allows communication between the snhamgr_daemon processes running
on the metadata controllers to collect operational status for the
snhamgr command.
SYNTAX
Any entry that does not begin with # is assumed to be the peer IP ad-
dress and optional port number. The address should be in IPv4 or IPv6
numerical format. The address and port entries are specified as fol-
lows:
<address>
or
<address>:<port>
For IPv6, enclose the address portion in square brackets if also speci-
fying a port.
EXAMPLE
To set the peer address, the ha_peer file would contain the following
line:
192.168.10.1
To set the peer address and port, the ha_peer file would contain the
following line:
192.168.10.1:8888
To set an IPv6 address or address and port, the following lines could
be specified:
fe80::250:56ff:fe9b:74b8
or
[fe80::250:56ff:fe9b:74b8]:4600
FILES
/Library/Preferences/Xsan/ha_peer
SEE ALSO
snhamgr(8), fsmpm(8), Quantum StorNext User's Guide
Xsan File System December 2014 ha_peer(4)
Mac OS X 10.12.3 - Generated Wed Feb 8 18:51:28 CST 2017