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ctdb-doc: Document externally managed public IP addresses

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For use with DisableIPFailover=1.

Pair-programmed-with: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed May 13 09:27:36 CEST 2015 on sn-devel-104
This commit is contained in:
Martin Schwenke 2015-05-12 14:42:00 +10:00 committed by Amitay Isaacs
parent 6ad263ff94
commit 4779832309
2 changed files with 111 additions and 2 deletions
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ctdb/doc/examples/README
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This directory includes sample CTDB cluster configurations.
o cluster.conf - Basic cluster setup
o natgw.conf - Basic cluster setup with NAT gateway feature
o cluster.conf - Basic cluster setup
o natgw.conf - Basic cluster setup with NAT gateway feature
o external.conf - Basic cluster setup with externally managed public IP addresses

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ctdb/doc/examples/external.conf Normal file
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#
# CTDB configuration for cluster with externally managed public IP addresses
#
# This is the sample configuration for a 3-node CTDB cluster providing file
# services via Samba and NFS.
#
# Cluster details:
#
# internal network (192.168.1.0/24)
# -------+----------------------+-----------------------+----------
# | | |
# | | |
# eth0 | 192.168.1.1 eth0 | 192.168.1.2 eth0 | 192.168.1.3
# +-----+-----+ +-----+-----+ +-----+-----+
# | | | | | |
# | Node 1 | | Node 2 | | Node 3 |
# | | | | | |
# +-----+-----+ +-----+-----+ +-----+-----+
# eth1 | 10.1.1.1 eth1 | 10.1.1.2 eth1 | 10.1.1.3
# | | |
# | | |
# -------+----------------------+-----------------------+----------
# public network (10.1.1.0/24)
#
#
# Storage details:
#
# Each node has a shared storage - /shared
#
#
# Service details:
#
# Cluster provides file services on following IP addresses
#
# 10.1.1.101 - 10.1.1.106
#
# Each node also has a fixed IP address on public network. This is used to
# communicate to network infrastructure (e.g. DNS, Active Directory, ...).
# Make sure that file services are not available on these fixed IP addresses
# (e.g. network filtering, using cluster hostname instead of IPs)
CTDB_RECOVERY_LOCK=/shared/recovery.lock
#
# Nodes configuration
#
# ---------- /etc/ctdb/nodes ----------
# 192.168.1.1
# 192.168.1.2
# 192.168.1.3
# ---------- /etc/ctdb/nodes ----------
#
CTDB_NODES=/etc/ctdb/nodes
#
# Public addresses configuration
#
# ---------- /etc/ctdb/public_addresses ----------
# 10.1.1.101/24 eth1
# 10.1.1.102/24 eth1
# 10.1.1.103/24 eth1
# 10.1.1.104/24 eth1
# 10.1.1.105/24 eth1
# 10.1.1.106/24 eth1
# ---------- /etc/ctdb/public_addresses ----------
#
CTDB_PUBLIC_ADDRESSES=/etc/ctdb/public_addresses
#
# Externally managed public IP addresses:
#
# This indicates that CTDB will not host/failover public IP addresses.
# The addresses will need to be assigned/failed-over via some external
# means. Use "ctdb moveip" to inform CTDB of the IP
# assignment/failover so that CTDB can do connection tracking/killing
# correctly.
#
CTDB_SET_DisableIPFailover=1
#
# Also:
# ctdb disablescript 10.interface
# ctdb enablescript 10.external
#
# Enable logging to syslog
CTDB_LOGGING=syslog
# Default log level
CTDB_DEBUGLEVEL=NOTICE
# Auto start/stop managed services
CTDB_AUTO_STARTSTOP=yes
#
# Samba configuration
#
CTDB_MANAGES_SAMBA=yes
# CTDB_SAMBA_SKIP_SHARE_CHECK=yes
CTDB_MANAGES_WINBIND=yes
#
# NFS configuration
#
CTDB_MANAGES_NFS=yes
CTDB_RPCINFO_LOCALHOST="127.0.0.1"
# CTDB_MONITOR_NFS_THREAD_COUNT=yes