Index

Symbols

/etc/failsafe/cmon_process_groups directory, Monitoring Agents

/usr/lib/failsafe/cmgr-templates/cmgr-create-resource_type directory, Using cluster_mgr With a Script

/usr/lib/failsafe/policies directory, Failover Scripts

resource group

definition, Resource Group

A

action scripts, Action Scripts

examples, Examples of Action Scripts

failure of, Failure of Action Scripts

format

basic action, Basic Action

completion, Complete the Action

exit status, Exit Status

header, Header Information

overview, Script Format

read input file, Read Input File

read resource information, Set Local Variables, Read Resource Information

set global variables, Set Global Variables

set local variables, Set Local Variables

verify arguments, Verify Arguments

monitoring

frequence, How Often Should Monitoring Occur?

necessity of, Is Monitoring Necessary?

testing examples, Examples of Testing for Monitoring Failure

types, Types of Monitoring

optional, Set of Action Scripts

preparation for writing scripts, Preparation

required, Set of Action Scripts

resource types provided, Preparation

set of scripts, Set of Action Scripts

successful execution results, Successful Execution of Action Scripts

templates, Preparation

testing, Testing an Action Script

writing steps, Steps in Writing a Script

agents, Monitoring Agents

application failover domain, Failover Domain

attributes, Failover Attributes

Auto_Failback failover attribute, Failover Attributes

Auto_Recovery failover attribute, Failover Attributes

C

check arguments, Check Arguments

cluster, Cluster

cluster node, Cluster Node (or Node)

cluster_mgr command, Using cluster_mgr Interactively

cmgr command, Using cluster_mgr Interactively

cmond process

configuration, Monitoring Agents

command execution function, Execute a Command

command path, HA_CMDSPATH

concepts, Concepts

configurations

N+1, N+1 Configuration for Linux FailSafe

N+2, N+2 Configuration

N+M, N+M Configuration for Linux FailSafe

Controlled_Failback failover attribute, Failover Attributes

D

database location, HA_CDB

debug script messages, HA_DBGLOG

debugging information in action scripts, General Testing and Debugging Techniques

dependency list, Resource Type Dependency List

domain, Failover Domain, Failover Domain

E

environment variables, Set Global Definitions

exclusive script

example, exclusive Script

exclusive script

definition, Set of Action Scripts

execute a command, Execute a Command

exit status in action scripts, Exit Status

exit_script() function, Exit Status, Testing an Action Script

exit_status value, Exit Status

F

failover, Failover

failover attributes, Failover Attribute, Failover Attributes

failover domain, Failover Domain, Failover Domain

failover policy, Failover Policy

contents, Contents of a Failover Policy

examples

N+1, N+1 Configuration for Linux FailSafe

N+2, N+2 Configuration

N+M, N+M Configuration for Linux FailSafe

failover attributes, Failover Attributes

failover domain, Failover Domain

failover script, Failover Scripts

failover script interface, Failover Script Interface

failover script

description, Failover Scripts, Failover Scripts

interface, Failover Script Interface

field value, Get the Value for a Field

filesystemresource type, Plug-Ins

G

get_xxx_info() function, Read Resource Information

global definition setting, Set Global Definitions

global variables, Set Global Variables

H

HA_CDB environment variable, HA_CDB

ha_check_args() function, Verify Arguments, Check Arguments

HA_CMDSPATH environment variable, HA_CMDSPATH

HA_CMD_FAILED environment variable, HA_CMD_FAILED

HA_CURRENT_LOGLEVEL environment variable, HA_CURRENT_LOGLEVEL

HA_DBGLOG environment variable, HA_DBGLOG

HA_DBGLVL environment variable, HA_DBGLVL

ha_execute_cmd() function, Execute a Command

ha_execute_cmd_ret() function, Execute a Command

ha_get_field() function, Get the Value for a Field

ha_get_info() function, Get Resource Information

HA_HOSTNAME environment variable, HA_HOSTNAME

HA_INVAL_ARGS environment variable, HA_INVAL_ARGS

HA_LOG environment variable, HA_LOG

HA_LOGCMD environment variable, HA_LOGCMD

HA_NOCFGINFO environment variable, HA_NOCFGINFO

HA_NORMLVL environment variable, HA_NORMLVL

HA_NOTSUPPORTED environment variable, HA_NOTSUPPORTED

HA_NOT_RUNNING environment variable, HA_NOT_RUNNING

ha_print_exclusive_status() function, Print Exclusivity Check Messages

ha_print_exclusive_status_all_resources() function, Print Exclusivity Check Messages

HA_PRIVCMDSPATH environment variable, HA_PRIVCMDSPATH

ha_read_infile() function, Read Input File, Read an Input File

HA_RESOURCEQUERYCMD environment variable, HA_RESOURCEQUERYCMD

HA_RUNNING environment variable, HA_RUNNING

HA_SCRIPTGROUP environment variable, HA_SCRIPTGROUP

HA_SCRIPTSUBSYS environment variable, HA_SCRIPTSUBSYS

HA_SCRIPTTMPDIR environment variable, HA_SCRIPTTMPDIR

HA_SUCCESS environment variable, HA_SUCCESS

ha_write_status_for_all_resources() function, Write Status for a Resource

ha_write_status_for_resource function, Exit Status

ha_write_status_for_resource() function, Write Status for a Resource

high availability characterists, Characteristics that Permit an Application to be Highly Available

highly available

services, Highly Available Services Included with Linux FailSafe

hostname, HA_CMDSPATH

I

initial failover domain, Failover Domain

InPlace_Recovery failover attribute, Failover Attributes

input file, Read an Input File

IP address service, Highly Available Services Included with Linux FailSafe

L

logs, HA_SCRIPTSUBSYS

LVM logical volume service, Plug-Ins

M

MAC address service, Plug-Ins

MAC_address resource type, Plug-Ins

membership, Node Membership

monitor script

example, monitor Script

monitor script

definition, Set of Action Scripts

monitoring

agents, Monitoring Agents

failure, What are the Symptoms of Monitoring Failure?

frequence, How Often Should Monitoring Occur?

necessity of, Is Monitoring Necessary?

script testing, Special Testing Considerations for the monitor Script

testing examples, Examples of Testing for Monitoring Failure

types, Is Monitoring Necessary?

N

node, Cluster Node (or Node)

node membership, Node Membership

node status, General Testing and Debugging Techniques

nodename output, HA_CMDSPATH

O

order ranges for resource types, Defining a New Resource Type

ordered failover script, The ordered Failover Script

overview of the programming steps, Overview of the Programming Steps

P

path to user commands, HA_CMDSPATH

plug-ins, Plug-Ins

pool, Pool

print exclusivity check messages, Print Exclusivity Check Messages

privileged command path, HA_PRIVCMDSPATH

process

membership, Process Membership

programming steps overview, Overview of the Programming Steps

R

read an input file, Read an Input File

resource

definition, Resource

dependency list, Resource Type Dependency List

name, Resource Name

query command, HA_RESOURCEQUERYCMD

resource group

states, Successful Execution of Action Scripts

resource information

obtaining, Get Resource Information

read into an action script, Read Resource Information

resource type

cluster_mgr use, Using cluster_mgr Interactively

dependency list, Resource Type Dependency List

description, Resource Type

GUI use, Define a New Resource Type

information required to define a new resource type, Defining a New Resource Type

order ranges, Defining a New Resource Type

provided with Linux FailSafe, Highly Available Services Included with Linux FailSafe

restart mode, Defining a New Resource Type

script templates, Using cluster_mgr With a Script

script use, Using cluster_mgr With a Script

restart script

example, restart Script

restart mode, Defining a New Resource Type

restart script

definition, Set of Action Scripts

root command path, HA_PRIVCMDSPATH

run-time failover domain, Failover Domain

S

script group log, HA_SCRIPTGROUP

script library, Using the SRM Script Library

script testing

action scripts, Testing an Action Script

monitoring script considerations, Special Testing Considerations for the monitor Script

techniques, General Testing and Debugging Techniques

script.$$ suffix, Steps in Writing a Script

scriptlib file, Using the SRM Script Library

scripts. See action scripts or failover script, Script Format

set_global_variables() function, Set Global Variables

set_local_variables() section of an action script, Set Local Variables

start script

example, start Script

start script

definition, Set of Action Scripts

status of a node, General Testing and Debugging Techniques

stop script

example, stop Script

stop script

definition, Set of Action Scripts

T

templates

action scripts, Preparation

resource type script definition, Using cluster_mgr With a Script

testing scripts. See script testing, General Testing and Debugging Techniques

U

uname command, HA_CMDSPATH

user command path, HA_CMDSPATH

usr/lib/failsafe/resource_types directory, Defining a New Resource Type

V

value for a field, Get the Value for a Field

volume resource type, Plug-Ins

W

write status for a resource, Write Status for a Resource

X

XFS file system service, Plug-Ins