From 4779832309aa80e26ac7a0300ff4b2df6f7ac989 Mon Sep 17 00:00:00 2001 From: Martin Schwenke Date: Tue, 12 May 2015 14:42:00 +1000 Subject: [PATCH] ctdb-doc: Document externally managed public IP addresses For use with DisableIPFailover=1. Pair-programmed-with: Amitay Isaacs Signed-off-by: Martin Schwenke Reviewed-by: Amitay Isaacs Autobuild-User(master): Amitay Isaacs Autobuild-Date(master): Wed May 13 09:27:36 CEST 2015 on sn-devel-104 --- ctdb/doc/examples/README | 5 +- ctdb/doc/examples/external.conf | 108 ++++++++++++++++++++++++++++++++ 2 files changed, 111 insertions(+), 2 deletions(-) create mode 100644 ctdb/doc/examples/external.conf diff --git a/ctdb/doc/examples/README b/ctdb/doc/examples/README index 71337b7560b..7a2e964bffa 100644 --- a/ctdb/doc/examples/README +++ b/ctdb/doc/examples/README @@ -1,4 +1,5 @@ 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 diff --git a/ctdb/doc/examples/external.conf b/ctdb/doc/examples/external.conf new file mode 100644 index 00000000000..8354e5c3ced --- /dev/null +++ b/ctdb/doc/examples/external.conf @@ -0,0 +1,108 @@ +# +# 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 -- 2.34.1