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AWS Direct Connect Quick Start Guide
Quick Start Guides » AWS Direct Connect Quick Start Guide
Objective With the release of AWS Transit Gateway, a route table scenario for the Recovery Kit for EC2 is now available with the configuration where the on-premises environment (on-premises in the figure below) using AWS Direct Connect is connected to the HA cluster…
AWS Direct Connect Requirements
Quick Start Guides » AWS Direct Connect Quick Start Guide » AWS Direct Connect Requirements
The following is a summary of requirements that should be met for an AWS environment and instances created on it. Requirements for AWS Environment Create a base environment on AWS to provide services. The requirements for using this configuration are as…
AWS Direct Connect Preparations
Quick Start Guides » AWS Direct Connect Quick Start Guide » AWS Direct Connect Setup Procedure » AWS Direct Connect Preparations
Create an environment that meets the AWS Direct Connect requirements. Install LifeKeeper on each instance and create a communication path between Node1 and Node2.
AWS Direct Connect Setup Procedure
Quick Start Guides » AWS Direct Connect Quick Start Guide » AWS Direct Connect Setup Procedure
This section describes the general procedure to setup the environment shown below.
AWS Direct Connect Known Issues and Troubleshooting
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide » AWS Direct Connect Known Issues and Troubleshooting
There are currently no Known Issues.
Creating Direct Connect Resources
Quick Start Guides » AWS Direct Connect Quick Start Guide » AWS Direct Connect Setup Procedure » Creating Direct Connect Resources
Creating an IP Resource Create a virtual IP resource. The IP resource address must be outside the CIDR block managed by the VPC. Creating an EC2 Resource Create EC2 resources. For the IP resource requested when creating resources, specify the resource created…
Quick Start Guides
Quick Start Guides
AWS Direct Connect Quick Start Guide Protection Suite for Linux in the AWS Cloud (SAP) SAP HANA Recovery Kit Chef Support Documentation AWS VPC Peering Connections Quick Start Guide DataKeeper for Linux Evaluation Guide MySQL Cluster with Data Replication…
Considerations for Settings and Operations in AWS Direct Connect
Quick Start Guides » AWS Direct Connect Quick Start Guide » Considerations for Settings and Operations in AWS Direct Connect
Considering the Use of LifeKeeper I-O Fencing Since the shared disk environment cannot be used in an AWS environment, you cannot use SCSI reservations to prevent a split-brain. IP resources may cause a split-brain as it uses the real IP resource with different IP…
Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide
With the release of AWS Transit Gateway and AWS Transit Gateway inter-region peering, the Recovery Kit for EC2 route table scenario is now available for configurations where a client in a VPC (VPC B in the figure below) connects to an HA cluster located in a different…
Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide
Objective This document descries the requirements and basic operations for building connections among VPCs with LifeKeeper for Linux for v9.5.0. You can also build HA clusters in the AWS environment using the existing Recovery Kit for EC 2; however, you cannot…
Cluster Connect Dialog
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » Common Tasks » Cluster Connect Dialog
Server Name. The name of the server to which you want to connect. Login. The login name of a user with LifeKeeper authorization on the server to which you want to connect. Password. The password that authorizes the specified login on the server to which you want…
Other AWS VPC Requirements
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide » Connecting to a LifeKeeper Cluster using AWS Requirements » Other AWS VPC Requirements
Requirements for using this service from other VPCs are as follows: Clients using the service should be able to resolve names of the hosts that are protected by Route53 resources. Clients using the service should access with the host name protected by Route53…
Configuration 2 – Direct Mounts
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Configuration Considerations » MQ Configuration Requirements » MQ Supported File System Layouts » Configuration 2 – Direct Mounts
In this configuration, the QMDIR and the QMLOGDIR directories are located on shared storage. This requires two dedicated LUNS or partitions or the use of LVM for each queue manager. If LVM is used, two logical volumes from the same LUN can be created and separately…
AWS VPC Peering Connections Requirements
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide » AWS VPC Peering Connections Requirements
The following requirements should be met when using this configuration. Below is a summary of requirements for the AWS environment and instances created on it. Requirements for AWS environment Create a base environment on AWS to provide services. The requirements for…
AWS VPC Peering Setup Procedure
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide » AWS VPC Peering Setup Procedure
This section describes the general procedure to set up the environment shown in the figure below. Preparations Create an environment that satisfies the AWS VPC Peering Connections Requirements. Install LifeKeeper on each instance and create a communication…
Install, Configure, and Start MySQL
Quick Start Guides » MySQL Cluster with Data Replication (“Shared Nothing” Cluster) » Install, Configure, and Start MySQL
Primary Server On your Primary server, perform the following actions: Install both the “mysql” and “mysql-server” rpm packages if they do not exist on your system. Apply any required dependencies as well # yum install mysql mysql-server Verify…
Install, Configure, and Start PostgreSQL
Quick Start Guides » PostgreSQL Cluster with Shared Storage (ISCSI) » Install, Configure, and Start PostgreSQL
Primary Server On your Primary server, perform the following actions: Install both the “postgresql-server” and “postgresql” rpm packages if they do not exist on your system. Apply any required dependencies as well # yum install postgresql…
LifeKeeper Software Requirements for AWS Environment
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide » AWS VPC Peering Connections Requirements » LifeKeeper Software Requirements for AWS Environment
Install the same version of LifeKeeper software and patches on each server in the high-availability cluster. The Application Recovery Kits (ARK) required for this configuration are shown below. For the specific LifeKeeper requirements, please refer to: SPS for Linux…
Quick Service Protection Kit Message Catalog
Search for an Error Code » Combined Message Catalog » Quick Service Protection Kit Message Catalog
Use Control F to search for a specific error code in each catalog. To search for any error code, select the Search button at the top right of the screen. …
Quick Service Protection (QSP) Recovery Kit
LifeKeeper Single Server Protection for Linux Technical Documentation » Administration » Quick Service Protection (QSP) Recovery Kit
The QSP Recovery Kit provides a simplified method to protect the OS service. With the QSP Recovery Kit users can easily create a LifeKeeper resource instance to protect an OS service provided that service can be started and stopped by the OS service command. The…
Quick Service Protection (QSP) Recovery Kit
Application Recovery Kits » Quick Service Protection (QSP) Recovery Kit
The QSP Recovery Kit provides a simplified method to protect the OS service. With the QSP Recovery Kit users can easily create a LifeKeeper resource instance to protect an OS service provided that service can be started and stopped by the OS service command or the…
Related LifeKeeper Resources for AWS VPC Peering
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide » Related LifeKeeper Resources for AWS VPC Peering
Route53 Resource Summary When switchover occurs, it is necessary to update Amazon Route 53 DNS information in order to continue to secure the connection to the service. This feature is provided in Route53 resources. When the status of Route53 resource becomes “In…
Install, Configure, and Start MySQL – Apache
Quick Start Guides » Apache/MySQL Cluster Using Both Shared and Replicated Storage » Install, Configure, and Start MySQL – Apache
Primary Server On your Primary server, perform the following actions: Install both the “mysql” and “mysql-server” rpm packages if they do not exist on your system. Apply any required dependencies as well # yum install mysql mysql-server Verify…
Connecting to a LifeKeeper Cluster using AWS Requirements
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide » Connecting to a LifeKeeper Cluster using AWS Requirements
Some requirements should be met when using this configuration. Below is a summary of requirements for the AWS environment and instances created on it. Requirements for AWS environment Create a base environment on AWS to provide services. The requirements for using…
Considerations for Settings and Operations in AWS VPC Peering
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide » Considerations for Settings and Operations in AWS VPC Peering
Considering the Use of LifeKeeper I-O Fencing – AWS VPC Peering
SIOS Protection Suite for Linux in the AWS Cloud (SAP)
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP)
Overview This document will guide the user during SIOS Protection Suite for Linux installation (SPS). Follow the quick decision matrix to understand how to install SPS for SAP environment. Note: The link above is provided here so it can be…
Setup Procedure for Connecting to a LifeKeeper Cluster using AWS
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide » Setup Procedure for Connecting to a LifeKeeper Cluster using AWS
In this section, a general procedure to setup the environment shown as the figure below Preparations Create an environment that satisfies Requirements. Please install LifeKeeper on each instance and create a communication path between Node1 and Node2 (or Node2’).…
Peering Requirements for Connecting to a LifeKeeper Cluster using AWS
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide » Connecting to a LifeKeeper Cluster using AWS Requirements » Peering Requirements for Connecting to a LifeKeeper Cluster using AWS
You need to install the same version of LifeKeeper software and patches on each server. The Application Recovery Kit (ARK) required for this configuration is shown below. For the specific LifeKeeper requirements, please refer to: SPS for Linux Technical Documentation…
Connecting to a LifeKeeper Cluster using AWS Settings and Operations Considerations
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide » Connecting to a LifeKeeper Cluster using AWS Settings and Operations Considerations
Considering the Use of LifeKeeper I-O Fencing when Connecting to a LifeKeeper Cluster using AWS
Considering the Use of LifeKeeper I-O Fencing – AWS VPC Peering
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide » Considerations for Settings and Operations in AWS VPC Peering » Considering the Use of LifeKeeper I-O Fencing – AWS VPC Peering
Since an AWS environment does not support shared disk configurations, SCSI reservations cannot be used to prevent split brain scenarios. For this reason, consider using the Quorum/Witness Server or STONITH, LifeKeeper’s I/O fencing functionality, to operate more…
Considering the Use of LifeKeeper I-O Fencing when Connecting to a LifeKeeper Cluster using AWS
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS VPC Peering Quick Start Guide » Connecting to a LifeKeeper Cluster using AWS Settings and Operations Considerations » Considering the Use of LifeKeeper I-O Fencing when Connecting to a LifeKeeper Cluster using AWS
Since the shared disk environment cannot be used in AWS environment, you cannot use SCSI reservations to prevent a split-brain. Also, IP resource may cause the split-brain as it uses the real IP resource with different IP addresses for each node. For this reason,…
Additional Resources
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP) » Switchover and Failover Testing » Additional Resources
AWS services Amazon EC2 https://aws.amazon.com/documentation/ec2/ AWS CloudFormation https://aws.amazon.com/documentation/cloudformation/ Amazon VPC https://aws.amazon.com/documentation/vpc/ SIOS Protection Suite for Linux Step-By-Step: How to configure…
Additional Steps to Configure SAP on SPS
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP) » Additional Steps to Configure SAP on SPS
Follow the steps below to configure SAP on SPS. Step 1. Test the Deployment To connect to the SPS-L nodes, you need to connect to Windows jumpbox. To connect to a Windows machine, you need to connect to remote desktop terminal. In AWS console, select the windows…
Creating the SAP Resource Hierarchy
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP) » ASCS + ERS with NFS » Creating the SAP Resource Hierarchy
From the LifeKeeper GUI menu, select Edit, then Server. From the drop-down menu, select Create Resource Hierarchy. A dialog box will appear with a drop-down list box with all recognized recovery kits installed within the cluster. Select SAP from the drop-down…
Route53 Parameters List
Parameters List » Route53 Parameters List
The table below lists and explains the tunable values that are available for modifying the behavior of the Route53 Recovery Kit. These values are set by adding the /etc/default/LifeKeeper configuration file. Because none of the components of the Route53 Recovery Kit…
EC2 Parameters List
Parameters List » EC2 Parameters List
The table below lists the EC2 parameters. These values are set by adding them to the /etc/default/LifeKeeper configuration file. Because none of the components of the Recovery Kit for EC2 are memory resident, changes to these particular values become effective…
Connecting Servers to a Cluster
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » Common Tasks » Connecting Servers to a Cluster
There are two possible ways to begin. On the Global Toolbar, click the Connect button. On the File Menu, click Connect. In the Server Name field of the Cluster Connect dialog, enter the name of a server within the cluster to which you want to…
Creating an NFS Resource Hierarchy
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP) » ASCS + ERS with NFS » Creating an NFS Resource Hierarchy
To create a resource instance from the primary server, you should complete the following steps: From the LifeKeeper GUI menu, select Edit, then Server. From the drop-down menu, select Create Resource Hierarchy. To change a selection already entered or if an error…
LKCLI – Communication Path Creation and Deletion
SIOS Protection Suite for Linux Technical Documentation » Command Line Interface » LKCLI Guide » LKCLI – Communication Path Creation and Deletion
What is a communication path? LifeKeeper configures clusters by connecting multiple nodes to each other. Availability can be maintained by switching to resources on another node in the cluster in the event that a node fails. To achieve this, it is necessary to…
Configuring a Route Table
Quick Start Guides » AWS Direct Connect Quick Start Guide » AWS Direct Connect Setup Procedure » Configuring a Route Table
Configure a route table as shown below. Add the route information to the on-premises environment network to the route table of the VPC or subnet where the cluster nodes are located. Destination Address Target On-premises network address…
Configuring the Route Table
Quick Start Guides » Connecting to a LifeKeeper Cluster using AWS Transit Gateway Quick Start Guide » Configuring the Route Table
The AWS environment should be configured as in the following diagram: Add the following routes to the route table for VPC B or the subnet that contains the client instance: Destination Address Target VPC A CIDR Block AWS Transit…
Changing LifeKeeper WebSphere MQ Recovery Kit Defaults
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » LifeKeeper Configuration Tasks for MQ » Editing MQ Configuration Resource Properties » Changing LifeKeeper WebSphere MQ Recovery Kit Defaults
The IBM WebSphere MQ Recovery Kit uses a number of default values which can be tuned and modified if you have problems with the default settings. The default settings should be sufficient for most environments. If you have problems with timeouts you can use the…
Using External Snapshot Functions for Disks and Devices Protected by DataKeeper
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » Using External Snapshot Functions for Disks and Devices Protected by DataKeeper
Full synchronization is required when using a snapshot process to restore data to a disk or device that is actively protected by DataKeeper. Snapshot capability referred to in this document includes: Snapshots provided by cloud environment services such as…
Running the GUI on a LifeKeeper Server
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » GUI » Preparing to Run the GUI » Running the GUI on a LifeKeeper Server
The simplest way to run the LifeKeeper GUI is as an application on a LifeKeeper server. By doing so you are, in effect, running the GUI client and server on the same system. After configuring the LifeKeeper server for GUI Administration, you can run the GUI as an…
Route53™ Recovery Kit Requirements
Application Recovery Kits » Route53™ Recovery Kit Administration Guide » Route53™ Recovery Kit Requirements
Prior to installing and configuring the Route53™ Recovery Kit, be sure your configuration meets the following requirements. AWS Command Line Interface (AWS CLI) must be installed on all EC 2 instances. Refer to Installing AWS Command Line Interface” for…
MQ Parameters List
Parameters List » MQ Parameters List
The table below lists and explains names and meanings of the MQ parameters. These values are tuned by editing the /etc/default/LifeKeeper configuration file. Parameter Name Meaning Setting Value Default Value When to Apply Notes…
Recovery Kit for EC2™ Requirements
Application Recovery Kits » Recovery Kit for EC2™ Administration Guide » Recovery Kit for EC2™ Requirements
Before attempting to install or remove the Recovery Kit for EC2™ you must understand Amazon Web Service software requirements, as well as the installation and removal procedures for the Recovery Kit for EC2™ package. Amazon Web Service and Software…
Migrating a Pluggable Database
Application Recovery Kits » Oracle Recovery Kit Administration Guide » Oracle Appendix » Migrating a Pluggable Database
This section describes the procedure for migrating a pluggable database (PDB) between container databases (CDB) protected by LifeKeeper. We recommend to make a backup of the database in advance. How to Migrate This section describes how to migrate a PDB using the PDB…
Application Configuration
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » Application Configuration
Item Description Database Initialization Files The initialization files for databases need to be either on a shared device and symbolically linked to specified locations in the local file system or kept on separate systems and manually…
Browser Security Parameters for GUI Applet
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » GUI » Preparing to Run the GUI » Browser Security Parameters for GUI Applet
!WARNING: Be careful of other sites you visit with security set to low values. Firefox From the Edit menu, select Preferences. In the Preferences dialog box, select Content. Select the Enable Java and Enable Java Script options. Click Close. Internet…
Upgrading from the SAP HANA Gen/App to the SAP HANA Recovery Kit
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » Upgrading from the SAP HANA Gen/App to the SAP HANA Recovery Kit
*Beginning in v9.5.0 SIOS has released the new SAP HANA Application Recovery Kit. SIOS will continue to support the SAP HANA gen/app based Recovery Kit with the 9.4.x releases until March 31, 2022. If you are using SIOS Protection Suite for Linux v9.5 or later you must…
EC2 Resource Monitoring and Configuration
Application Recovery Kits » Recovery Kit for EC2™ Administration Guide » Recovery Kit for EC2™ Configuration » EC2 Resource Monitoring and Configuration
Route Table scenario (Backend Cluster): The recovery kit uses AWS CLI to perform the monitoring of the Route Table settings to enable an access from clients within the VPC to the protected IP resources. The recovery kit ensures that the target of the IP resources for…
Create the ERS Resources
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP) » ASCS + ERS with NFS » Create the ERS Resources
The ERS resource provides additional protection against a single point of failure of a Core Instance (Central Services Instance) or enqueue server process. When a Core Instance (Central Services Instance) fails and is restarted, it will retrieve the current status of…
Configure the Cluster – DK for Linux
Quick Start Guides » DataKeeper for Linux Evaluation Guide » Configure the Cluster – DK for Linux
Primary Server Complete the following steps on the primary server to configure the cluster: Create TCP Communication (Comm) Path(s) Verify the Communication (Comm) Path(s) Before you begin, SIOS recommends at least two TCP communications paths between each…
Specific Configuration Considerations for Oracle
Application Recovery Kits » Oracle Recovery Kit Administration Guide » Configuring Oracle with LifeKeeper » Specific Configuration Considerations for Oracle
*If you plan to use Oracle with Raw I/O, the Raw I/O devices must be properly set up prior to use. See the Appendix for instructions. (Raw I/O is not an option for LifeKeeper Single Server Protection.) Before configuring the Oracle Recovery Kit, complete the following…
SPS Configuration Steps
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » SPS Configuration Steps
If you have installed your SPS environment as described in the SPS Installation Guide, you should be ready to start and configure the SPS software on each server in your cluster. Follow the steps below which contain links to topics with additional details. Perform…
Switchover and Failover Testing
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP) » Switchover and Failover Testing
Steps below are for testing the switchover and failover of a SIOS cluster for SAP. Open “SAP Logon” or “SAP GUI for Windows”, which is an SAP supplied Windows client the Windows client. The program can be downloaded from the SAP download site. The…
Configuration Considerations for All DB2 Configurations
Application Recovery Kits » DB2 Recovery Kit Administration Guide » Configuring the LifeKeeper for Linux DB2 Recovery Kit » Configuration Considerations for All DB2 Configurations
DB2 instance names should contain alphanumeric characters only. DB2 clients should be configured to connect to the database via a LifeKeeper protected IP address. Users can define: DB2SYSTEM=” in $instancehome/sqllib/profile.env and catalog the floating IP…
Software RAID Notes and Restrictions
Application Recovery Kits » MD Recovery Kit Administration Guide » Software RAID (md) Recovery Kit Overview » Software RAID Notes and Restrictions
The following notes and restrictions apply to this version of the Software RAID Recovery Kit. Activating Virtual Devices During Boot Up Virtual devices on shared storage should not be activated during system boot-up. Persistent Superblock All virtual devices must…
Configure the Cluster
Quick Start Guides » MySQL Cluster with Data Replication (“Shared Nothing” Cluster) » Configure the Cluster
Primary Server Complete the following steps on the primary server to configure the cluster: Create TCP Communication (Comm) Path(s) Verify the Communication (Comm) Path(s) Before you begin, SIOS recommends at least two TCP communications paths between each server…
inqfail error in the LifeKeeper Log
Application Recovery Kits » Oracle Recovery Kit Administration Guide » Oracle Troubleshooting » Oracle Known Issues and Restrictions » inqfail error in the LifeKeeper Log
If an inqfail error appears in your LifeKeeper error log following a failover, you will need to change the filesystemio setting. Note: The disk id and server name will be different for each configuration. To resolve this problem, you will need to change the setting…
Product Incompatibility Issue / Restriction
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Troubleshooting » Known Issues and Restrictions » Product Incompatibility Issue / Restriction
Description SIOS AppKeeper Because SIOS LifeKeeper monitors and remediates OS and application services in clustered environments in AWS EC2, the use of SIOS AppKeeper in addition to SIOS LifeKeeper in those environments is not recommended or…
Configure the Cluster – PostgreSQL
Quick Start Guides » PostgreSQL Cluster with Shared Storage (ISCSI) » Configure the Cluster – PostgreSQL
Primary Server Complete the following steps on the primary server to configure the cluster: Create TCP Communication (Comm) Path(s) Verify the Communication (Comm) Path(s) Before you begin, SIOS recommends at least two TCP communications paths between each server…
PostgreSQL General Tips
Application Recovery Kits » PostgreSQL Recovery Kit Administration Guide » PostgreSQL Troubleshooting » PostgreSQL General Tips
The following error messages and conditions may be encountered while using the recovery kit. Error Solution Unable to protect PostgreSQL database using the same port as another LK protected PostgreSQL database. Verify the version of…
Creating an EC2 Resource Hierarchy
Application Recovery Kits » Recovery Kit for EC2™ Administration Guide » Recovery Kit for EC2™ Configuration » Creating an EC2 Resource Hierarchy
To create a resource instance from the primary server, complete the following steps: From the LifeKeeper GUI menu, select Edit, then Server. From the drop down menu, select Create Resource Hierarchy. A dialog box will appear with a drop down list showing all of…
Standby Node Health Check
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » Standby Node Health Check
Overview The Standby Node Health Check feature allows you to monitor CPU and memory utilization on the standby node and monitor the health of out-of-service resources to detect errors on the standby node. This allows for issues to be resolved in advance, reducing the…
Set Up TTY Connections
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » SPS Configuration Steps » Set Up TTY Connections
If you plan to use a TTY communications (comm) path for a LifeKeeper heartbeat, you need to set up the physical connection for that heartbeat. Remember that multiple communication paths are required to avoid false failover due to a simple communications failure. Two or…
Postfix Resource In-Service / Out-of-Service / Health Monitoring Error Messages
Application Recovery Kits » PostgreSQL Recovery Kit Administration Guide » Postfix Recovery Kit Administration Guide » Postfix Troubleshooting » Postfix Resource In-Service / Out-of-Service / Health Monitoring Error Messages
Error Error Message Master process of postfix is not running The master process of Postfix is not running. Please check the Postfix error log. Failed in a check by postfix command Postfix command check option has failed.…
MQ Supported File System Layouts
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Configuration Considerations » MQ Configuration Requirements » MQ Supported File System Layouts
Depending on your shared storage system and the file system layout, there are three different supported configurations. They differ in the file system layout. The following section describes the supported file system layouts. Configuration 1 – /var/mqm on Shared…
GUI – Known Issues / Restrictions
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Troubleshooting » Known Issues and Restrictions » GUI – Known Issues / Restrictions
Description GUI login prompt may not re-appear when reconnecting via a web browser after exiting the GUI When you exit or disconnect from the GUI applet and then try to reconnect from the same web browser session, the login prompt may not…
Running the GUI on a Remote System
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » GUI » Preparing to Run the GUI » Running the GUI on a Remote System
You may administer LifeKeeper from a Linux, Unix or Windows system outside the LifeKeeper cluster by running the LifeKeeper GUI as a Java applet. Configuring and running the GUI in this environment is described below. Configuring the GUI on a Remote System In order…
Client Configuration Considerations for MySQL
Application Recovery Kits » MySQL Recovery Kit Administration Guide » MySQL Recovery Kit Configuration » Client Configuration Considerations for MySQL
Following are some configuration considerations for MySQL database clients: If clients will connect from remote hosts, create an IP address under LifeKeeper to be used for client connections. Clients must be configured to connect to the database server through a…
Creating a File System Resource Hierarchy
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » LifeKeeper Administration Overview » Administrator Tasks » Creating Resource Hierarchies » Creating a File System Resource Hierarchy
Use this option to protect a file system only (for example, if you have shared files that need protection). There are four ways to begin creating a file system resource hierarchy. • Right-click on a server icon to bring up the server context menu, then click…
File Menu
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » GUI » Menus » File Menu
Connect. Connect to a LifeKeeper cluster. Connection to each server in the LifeKeeper cluster requires login authentication on that server. Exit. Disconnect from all servers and close the GUI window.
Configure the Cluster – Apache
Quick Start Guides » Apache/MySQL Cluster Using Both Shared and Replicated Storage » Configure the Cluster – Apache
Primary Server Complete the following steps on the primary server to configure the cluster: Create TCP Communication (Comm) Path(s) Verify the Communication (Comm) Path(s) Before you begin, SIOS recommends at least two TCP communications paths between each server…
Network Related Troubleshooting (GUI)
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Troubleshooting » GUI Troubleshooting » Network Related Troubleshooting (GUI)
LifeKeeper uses Java RMI (Remote Method Invocation) for communications between GUI clients and servers. Some potential problems may be related to RMI, and others are general network configuration problems. Long Connection Delays on Windows Platforms From Sun…
IP Recovery Kit Configuration Examples
Application Recovery Kits » IP Recovery Kit Administration Guide » IP Recovery Kit Configuration » IP Recovery Kit Configuration Examples
This topic identifies example network configurations and then describes two sample IP configuration exercises. The first example illustrates a typical case of a database application dependent upon a single IP resource and configured on a pre-existing subnet. The second…
LifeKeeper Single Server Protection for Linux Release Notes
LifeKeeper Single Server Protection » LifeKeeper Single Server Protection for Linux Release Notes
Version 9.5.0 Released May 12, 2020 Important!! Read This Document Before Attempting To Install Or Use This Product! This document contains last minute information that must be considered before, during and after installation. Introduction This release…
Starting and Stopping the GUI Server
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » GUI » Preparing to Run the GUI » Starting and Stopping the GUI Server
To Start the LifeKeeper GUI Server If the LifeKeeper GUI Server is not running, type the following command as root: /opt/LifeKeeper/bin/lkGUIserver start This command starts all LifeKeeper GUI Server daemon processes on the server being administered if they are not…
Password Dialog
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Dialogs » Password Dialog
This dialog is displayed if the initial login name or password entered in the Cluster Connect dialog is invalid. Login. The login name of a user with LifeKeeper authorization on the specified server. Password. The password that authorizes the specified login on…
IP Recovery Kit Principles of Operation
Application Recovery Kits » IP Recovery Kit Administration Guide » IP Recovery Kit Principles of Operation
LifeKeeper brings an IP resource into service by creating an IP alias address on one of the physical network interfaces on the primary server. Users connect to the node using this alias address. The IP Recovery Kit software performs checks to help ensure that the…
Testing MQ Client Connectivity
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » LifeKeeper Configuration Tasks for MQ » Testing a WebSphere MQ Resource Hierarchy » Testing MQ Client Connectivity
Testing Client Connectivity To test client connectivity, perform the following steps: On the primary server, use the amqsbcgc command to connect to the queue manager: export MQSERVER=‘SYSTEM.DEF.SVRCONN/TCP/192.168.1.90(1414)’ Note: Replace the IP…
Common Hardware Components
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » SIOS LifeKeeper for Linux Introduction » Configuration Concepts » Common Hardware Components
All LifeKeeper configurations share these common components: Server groups. The basis for the fault resilience provided by LifeKeeper is the grouping of two or more servers into a cluster. The servers can be any supported platform running a supported distribution of…
SMC Troubleshooting
LifeKeeper Single Server Protection for Linux Technical Documentation » Troubleshooting » SMC Troubleshooting
See below for troubleshooting hints and tips. LifeKeeper Single Server Protection monitored guest virtual machines must have VMware Tools installed. LifeKeeper Single Server Protection is unable to completely connect to virtual machines that do not…
MQ Recovery Kit Features
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Recovery Kit Overview » MQ Recovery Kit Features
The WebSphere MQ Recovery Kit provides the following features: Supports mult-instance Queue Managers (queue managers created with multiple versions of MQ software) Supports Active/Active configurations Supports LINEAR and CIRCULAR logging (detected…
Recovery Kit for EC2™ Principles of Operation
Application Recovery Kits » Recovery Kit for EC2™ Administration Guide » Recovery Kit for EC2™ Principles of Operation
Recovery Kit for EC2™ provides two functions. The Route Table scenario (Backend Cluster) manages Route Table for LifeKeeper-protected IP resources to be reached from clients within the Amazon VPC™. The Elastic IP scenario (Frontend Cluster) manages Elastic IP…
MQ Configuration Requirements
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Configuration Considerations » MQ Configuration Requirements
The section Configuring WebSphere MQ for Use with LifeKeeper contains a process for protecting a queue manager with LifeKeeper. In general, the following requirements must be met to successfully configure a WebSphere MQ queue manager with LifeKeeper: Configure…
Resource Error Recovery Scenario
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » SIOS LifeKeeper for Linux Introduction » Fault Detection and Recovery Scenarios » Resource Error Recovery Scenario
LifeKeeper provides a real-time daemon monitor, lkcheck, to check the status and health of LifeKeeper-protected resources. For each in-service resource, lkcheck periodically calls the quickCheck script for that resource type. The quickCheck script performs a quick…
OSU Resource Monitoring
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » Standby Node Health Check » OSU Resource Monitoring
For each out-of-service (OSU) resource, lkcheck periodically calls the OSUquickCheck script for the resource. The OSUquickCheck script performs a quick health check for the resource. If it determines that the resource cannot start successfully, it changes the state of…
tcp_remote Mode
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » LifeKeeper I/O Fencing Introduction » Quorum/Witness » tcp_remote Mode
In this setting Quorum is determined by checking the ability to connect to TCP/IP services on remote hosts. Connections are done via TCP/IP to a specific port on a host and are done independent of any of the defined communication paths. Being able to connect to the…
Install the PostgreSQL Software
Application Recovery Kits » PostgreSQL Recovery Kit Administration Guide » PostgreSQL Installation » Install the PostgreSQL Software
Install the PostgreSQL software on all servers in the cluster using identical parameters/settings. Refer to the PostgreSQL Administration Guide for details. The following are additional recommendations and reminders to ensure that LifeKeeper will work with…
LifeKeeper GUI – Overview
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » GUI » Preparing to Run the GUI » LifeKeeper GUI – Overview
The LifeKeeper GUI uses Java technology to provide a graphical status interface to LifeKeeper and its configuration data. Since the LifeKeeper GUI is a client/server application, a user will run the graphical user interface on a client system in order to monitor or…
Route53™ Recovery Kit Administration Guide
Application Recovery Kits » Route53™ Recovery Kit Administration Guide
Route53™ Recovery Kit provides a mechanism for updating Amazon Route 53 DNS information corresponding to a virtual IP address and an actual IP address information of IP resources that are in dependency relation when switching to a failed primary server to a backup…
LifeKeeper Core – Known Issues / Restrictions
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Troubleshooting » Known Issues and Restrictions » LifeKeeper Core – Known Issues / Restrictions
Description If there is a problem with a network connection, stop the service that automatically configures the network In an environment where IP addresses are protected using LifeKeeper, IP resources may conflict with daemons and services that…
Running Multiple Instances of Samba
Application Recovery Kits » Samba Recovery Kit Administration Guide » Configuring Samba with LifeKeeper » Running Multiple Instances of Samba
Running multiple instances of Samba in a LifeKeeper cluster introduces additional configuration requirements and restrictions. The following Samba configuration scenarios may involve multiple instances of Samba: Active/Standby configuration with multiple LifeKeeper…
Storage Mode
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » LifeKeeper I/O Fencing Introduction » Quorum/Witness » Storage Mode
With this mode each node writes information about itself to a shared storage device on a regular basis and periodically reads the information written by the other nodes. A cluster is considered to have quorum consensus when each node is able to access the shared…
Recovery Kit for EC2™ Administration Guide
Application Recovery Kits » Recovery Kit for EC2™ Administration Guide
The Recovery Kit for EC2™ provides a mechanism to recover an Elastic IP from a failed primary server to a backup server. It also provides a mechanism to enable the IP Recovery Kit to work in multiple availability zones. Please see the Principles of Operation for a…
Active/Active Configuration with Shared Storage
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Configuration Considerations » MQ Configuration Requirements » WebSphere MQ Configuration Examples » Active/Active Configuration with Shared Storage
In the Active/Active configuration below, both Node1 and Node2 are primary LifeKeeper servers for WebSphere MQ resources. Each server is also the backup server for the other. In this example, Node1 protects the shared storage array for queue manager QMGR1. Node2…
SAP HANA Resource Hierarchy Administration
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » SAP HANA Resource Hierarchy Administration
*Important Note: Unless otherwise noted in this guide, all administrative tasks for a LifeKeeper-protected SAP HANA Database should be performed through LifeKeeper. Performing administrative actions such as stopping the database or disabling SAP HANA System…
LifeKeeper Core
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » SIOS LifeKeeper for Linux Introduction » LifeKeeper Core
LifeKeeper Core is composed of four major components: LifeKeeper Core Software File System, Generic Application, Raw I/O and IP Recovery Kit Software LifeKeeper GUI Software LifeKeeper Man Pages LifeKeeper Core Software The LifeKeeper Core Software…