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使用 Serviceguard Extension for RAC > 第 2 章. Oracle 10g RAC 的 Serviceguard 配置

叢集配置 ASCII 檔案

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下列是 ASCII 配置檔的範例,該檔案在配備 Serviceguard Extension for RAC 的系統上,由搭配 -w full 選項的 cmquerycl 命令所產生。OPS_VOLUME_GROUP 參數顯示在檔案末尾。

# **********************************************************************
# ********* HIGH AVAILABILITY CLUSTER CONFIGURATION FILE ***************
# ***** For complete details about cluster parameters and how to *******
# ***** set them, consult the Serviceguard manual. *********************
# **********************************************************************

# Enter a name for this cluster.This name will be used to identify the
# cluster when viewing or manipulating it.

CLUSTER_NAME			                      cluster 1


# Cluster Lock Parameters
# The cluster lock is used as a tie-breaker for situations
# in which a running cluster fails, and then two equal-sized
# sub-clusters are both trying to form a new cluster.The
# cluster lock may be configured using only one of the
# following alternatives on a cluster: 
#          the LVM lock disk
#          the quorum server
#
#
# Consider the following when configuring a cluster.
# For a two-node cluster, you must use a cluster lock.For
# a cluster of three or four nodes, a cluster lock is strongly
# recommended.For a cluster of more than four nodes, a
# cluster lock is recommended.If you decide to configure
# a lock for a cluster of more than four nodes, it must be
# a quorum server.

# Lock Disk Parameters.Use the FIRST_CLUSTER_LOCK_VG and
# FIRST_CLUSTER_LOCK_PV parameters to define a lock disk.
# The FIRST_CLUSTER_LOCK_VG is the LVM volume group that
# holds the cluster lock.This volume group should not be
# used by any other cluster as a cluster lock device.  

# Quorum Server Parameters.Use the QS_HOST, QS_POLLING_INTERVAL,
# and QS_TIMEOUT_EXTENSION parameters to define a quorum server.
# The QS_HOST is the host name or IP address of the system
# that is running the quorum server process.The
# QS_POLLING_INTERVAL (microseconds) is the interval at which
# Serviceguard checks to make sure the quorum server is running.
# The optional QS_TIMEOUT_EXTENSION (microseconds) is used to increase
# the time interval after which the quorum server is marked DOWN.
#
# The default quorum server timeout is calculated from the
# Serviceguard cluster parameters, including NODE_TIMEOUT and
# HEARTBEAT_INTERVAL.If you are experiencing quorum server
# timeouts, you can adjust these parameters, or you can include
# the QS_TIMEOUT_EXTENSION parameter.
#
# The value of QS_TIMEOUT_EXTENSION will directly effect the amount
# of time it takes for cluster reformation in the event of failure.
# For example, if QS_TIMEOUT_EXTENSION is set to 10 seconds, the cluster
# reformation will take 10 seconds longer than if the QS_TIMEOUT_EXTENSION
# was set to 0. This delay applies even if there is no delay in
# contacting the Quorum Server.The recommended value for
# QS_TIMEOUT_EXTENSION is 0, which is used as the default 
# and the maximum supported value is 30000000 (5 minutes).
#
# For example, to configure a quorum server running on node
# “qshost” with 120 seconds for the QS_POLLING_INTERVAL and to
# add 2 seconds to the system assigned value for the quorum server
# timeout, enter:
#
# QS_HOST qshost
# QS_POLLING_INTERVAL 120000000
# QS_TIMEOUT_EXTENSION 2000000



# Definition of nodes in the cluster.
# Repeat node definitions as necessary for additional nodes.
# NODE_NAME is the specified nodename in the cluster.
# It must match the hostname and both cannot contain full domain name.
# Each NETWORK_INTERFACE, if configured with IPv4 address,
# must have ONLY one IPv4 address entry with it which could 
# be either HEARTBEAT_IP or STATIONARY_IP.
# Each NETWORK_INTERFACE, if configured with IPv6 address(es)
# can have multiple IPv6 address entries(up to a maximum of 2,
# only one IPv6 address entry belonging to site-local scope
# and only one belonging to global scope) which must be all
# STATIONARY_IP.They cannot be HEARTBEAT_IP. 


NODE_NAME           ever3a
NETWORK_INTERFACE	      lan0
STATIONARY_IP	15.244.64.140
NETWORK_INTERFACE	      lan1
HEARTBEAT_IP	192.77.1.1
NETWORK_INTERFACE	      lan2
# List of serial device file names
# For example:
# SERIAL_DEVICE_FILE	    /dev/tty0p0

# Primary Network Interfaces on Bridged Net 1:lan0.
#   Warning:There are no standby network interfaces on bridged net 1.
# Primary Network Interfaces on Bridged Net 2:lan1.
#   Possible standby Network Interfaces on Bridged Net 2:lan2.


# Cluster Timing Parameters (microseconds).

# The NODE_TIMEOUT parameter defaults to 2000000 (2 seconds).
# This default setting yields the fastest cluster reformations.
# However, the use of the default value increases the potential
# for spurious reformations due to momentary system hangs or
# network load spikes.
# For a significant portion of installations, a setting of
# 5000000 to 8000000 (5 to 8 seconds) is more appropriate.
# The maximum value recommended for NODE_TIMEOUT is 30000000
# (30 seconds).

HEARTBEAT_INTERVAL		           1000000
NODE_TIMEOUT		            2000000


# Configuration/Reconfiguration Timing Parameters (microseconds).

AUTO_START_TIMEOUT	          600000000
NETWORK_POLLING_INTERVAL	         2000000

# Network Monitor Configuration Parameters.
# The NETWORK_FAILURE_DETECTION parameter determines how LAN card failures are detected.
# If set to INONLY_OR_INOUT, a LAN card will be considered down when its inbound
# message count stops increasing or when both inbound and outbound
# message counts stop increasing.
# If set to INOUT, both the inbound and outbound message counts must
# stop increasing before the card is considered down.
NETWORK_FAILURE_DETECTION		              INOUT

# Package Configuration Parameters.
# Enter the maximum number of packages which will be configured in the cluster.
# You can not add packages beyond this limit.
# This parameter is required.
MAX_CONFIGURED_PACKAGES		           150


# Access Control Policy Parameters.
#
# Three entries set the access control policy for the cluster:
# First line must be USER_NAME, second USER_HOST, and third USER_ROLE.
# Enter a value after each. 
#
# 1. USER_NAME can either be ANY_USER, or a maximum of 
#    8 login names from the /etc/passwd file on user host.
# 2. USER_HOST is where the user can issue Serviceguard commands. 
#    If using Serviceguard Manager, it is the COM server.
#    Choose one of these three values:ANY_SERVICEGUARD_NODE, or
#    (any) CLUSTER_MEMBER_NODE, or a specific node.For node,
#    use the official hostname from domain name server, and not 
#    an IP addresses or fully qualified name.
# 3. USER_ROLE must be one of these three values:
#    * MONITOR:read-only capabilities for the cluster and packages
#    * PACKAGE_ADMIN:MONITOR, plus administrative commands for packages
#      in the cluster
#    * FULL_ADMIN:MONITOR and PACKAGE_ADMIN plus the administrative
#      commands for the cluster.
#
# Access control policy does not set a role for configuration 
# capability.To configure, a user must log on to one of the
# cluster’s nodes as root (UID=0).Access control
# policy cannot limit root users’ access.
# 
# MONITOR and FULL_ADMIN can only be set in the cluster configuration file, 
# and they apply to the entire cluster.PACKAGE_ADMIN can be set in the
# cluster or a package configuration file.If set in the cluster
# configuration file, PACKAGE_ADMIN applies to all configured packages. 
# If set in a package configuration file, PACKAGE_ADMIN applies to that
# package only.
# 
# Conflicting or redundant policies will cause an error while applying 
# the configuration, and stop the process.The maximum number of access
# policies that can be configured in the cluster is 200.
#
# Example:to configure a role for user john from node noir to
# administer a cluster and all its packages, enter:
# USER_NAME  john
# USER_HOST  noir
# USER_ROLE  FULL_ADMIN


# List of cluster aware LVM Volume Groups.These volume groups will
# be used by package applications via the vgchange -a e command.
# Neither CVM or VxVM Disk Groups should be used here.
# For example: 
# VOLUME_GROUP		               /dev/vgdatabase
# VOLUME_GROUP		               /dev/vg02


# List of OPS Volume Groups.
# Formerly known as DLM Volume Groups, these volume groups
# will be used by OPS or RAC cluster applications via
# the vgchange -a s command.(Note:the name DLM_VOLUME_GROUP
# is also still supported for compatibility with earlier versions.)
# For example: 
# OPS_VOLUME_GROUP		          /dev/vgdatabase
# OPS_VOLUME_GROUP		          /dev/vg02
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