Search
Related topics are listed below.
Replicate New File System
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » SIOS DataKeeper Installation and Configuration » Resource Configuration Tasks » Creating a DataKeeper Resource Hierarchy » Replicate New File System
This option will create a NetRAID device, format it with a LifeKeeper supported file system type, mount the file system on the NetRAID device and place both the mounted file system and the NetRAID device under LifeKeeper protection. The NetRAID device and the local…
Replicate Existing File System
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » SIOS DataKeeper Installation and Configuration » Resource Configuration Tasks » Creating a DataKeeper Resource Hierarchy » Replicate Existing File System
This option will unmount a currently mounted file system on a local disk or partition, create a NetRAID device, then re-mount the file system on the NetRAID device. Both the NetRAID device and the mounted file system are placed under LifeKeeper protection. You should…
File System Health Monitoring
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » Maintenance Tasks » File System Health Monitoring
The File System Health Monitoring feature detects conditions that could cause LifeKeeper protected applications that depend on the file system to fail. Monitoring occurs on active/in-service resources (i.e. file systems) only. The two conditions that are monitored…
File System Kit Message Catalog
Search for an Error Code » Combined Message Catalog » File System 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. …
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…
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…
Extending a File System Resource Hierarchy
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » LifeKeeper Administration Overview » Administrator Tasks » Extending Resource Hierarchies » Extending a File System Resource Hierarchy
This operation can be started automatically after you have finished creating a file system resource hierarchy, or from an existing file system resource, as described in the section on extending resource hierarchies. Then complete the steps below, which are specific to…
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.
LKCLI – Replicate the Existing Cluster Settings
SIOS Protection Suite for Linux Technical Documentation » Command Line Interface » LKCLI Guide » LKCLI – Replicate the Existing Cluster Settings
Inherit and Duplicate the Cluster Settings This section describes the procedure for replicating a cluster with the same settings based on the cluster with the communication path and resource set. Configuration The steps describe preparing a 2-node LifeKeeper…
System Requirements
LifeKeeper Single Server Protection for Linux Technical Documentation » Intergration with VMware HA » SteelEye Management Console » System Requirements
The SteelEye Management Console, or SMC, must be installed on a dedicated server. The server can be physical or virtual but must not be used for any other purpose. SIOS Technology Corp. does not currently support running the SMC software on servers that are also being…
System Grouping Arrangements
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » SIOS LifeKeeper for Linux Introduction » Configuration Concepts » System Grouping Arrangements
A resource hierarchy is defined on a cluster of LifeKeeper servers. For a given hierarchy, each server is assigned a priority, with one (1) being the highest possible priority. The primary, or highest priority, server is the computer you want to use for the normal…
Sybase Interfaces File Considerations
Application Recovery Kits » Sybase ASE Recovery Kit Administration Guide » Sybase ASE Recovery Kit Configuration Considerations » Sybase Interfaces File Considerations
The Sybase ASE Recovery Kit uses the Sybase ASE interfaces file for the detection of the client IP addresses and ports. This file is located under $SYBASE and is typically called interfaces. This file is updated whenever an Adaptive Server, Monitor Server or Backup…
The Samba Configuration File
Application Recovery Kits » Samba Recovery Kit Administration Guide » Configuring Samba with LifeKeeper » The Samba Configuration File
While a Samba configuration file can contain many different directives, this description focuses on those aspects of the configuration file that affect your LifeKeeper configuration. Here are some key points about the configuration file: The configuration file is…
Maintaining the smvpasswd File
Application Recovery Kits » Samba Recovery Kit Administration Guide » Samba Hierarchy Administration » Maintaining the smvpasswd File
Samba provides four different authentication methods via the security directive. The share and user security settings both require access to the local smbpasswd file to determine if access will be granted. As noted in the section Running Multiple Instances of Samba…
Configuration File Synchronization Utility
Application Recovery Kits » Samba Recovery Kit Administration Guide » Samba Troubleshooting » Configuration File Synchronization Utility
Error Number Error Message Description 109013 The hierarchy for the specified configuration file does not have an equivalency with the target system. Select another target system or configuration file. The -t TargetSys argument to…
IP User System Setup
Application Recovery Kits » IP Recovery Kit Administration Guide » IP Recovery Kit Configuration » IP User System Setup
When the IP Recover Kit software switches an IP resource from one server to another, the MAC address associated with the switched IP address changes because the interface changes. Each router and user system on the LAN must reflect this change in its ARP table before…
EC2 User System Setup
Application Recovery Kits » Recovery Kit for EC2™ Administration Guide » Recovery Kit for EC2™ Configuration » EC2 User System Setup
Route Table scenario (Backend Cluster): The Route Table protection option in the Recovery Kit for EC2™ provides the ability to automatically update the routing in the VPC. During a failover the recovery kit will update the route table to reflect the new Elastic…
Modifying the Samba Configuration File
Application Recovery Kits » Samba Recovery Kit Administration Guide » Samba Hierarchy Administration » Modifying the Samba Configuration File
When changes are required to a Samba configuration file that is used in a LifeKeeper Samba instance, perform these procedures on the server that is In Service, Protected (ISP). There are three types of configuration file changes: Those that do not directly impact…
Configure SAP HANA System Replication
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » Configuring SAP HANA with SPS » Configure SAP HANA System Replication
Configure SAP HANA System Replication according to the instructions provided in the SAP HANA System Replication Guide (available at http://help.sap.com). Once SAP HANA System Replication has been successfully enabled on the intended primary replication site and the…
Maintaining a LifeKeeper Protected System
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » Maintenance Tasks » Maintaining a LifeKeeper Protected System
When performing shutdown and maintenance on a LifeKeeper-protected server, you must put that system’s resource hierarchies in service on the backup server before performing maintenance. This process stops all activity for shared disks on the system needing…
Route53™ User System Setup
Application Recovery Kits » Route53™ Recovery Kit Administration Guide » Route 53™ Configuration » Route53™ User System Setup
An IP resource is required for creating the Route53 resource and can be either the virtual IP resource or the actual IP resource (resource for the primary IP address that is configured for NIC). When Using the Virtual IP Resource When using the virtual IP resource…
Appendix A – Sample mqs.ini Configuration File
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » Appendix A – Sample mqs.ini Configuration File
#********************************************************************# #* *# #* *# #* Licensed Materials – Property of IBM …
Appendix B – Sample qm.ini Configuration File
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » Appendix B – Sample qm.ini Configuration File
#*******************************************************************# #* Module Name: qm.ini *# #* Type : WebSphere MQ queue manager configuration file *# # Function : Define the configuration of a single queue…
[Global] Section of the Configuration File
Application Recovery Kits » Samba Recovery Kit Administration Guide » Configuring Samba with LifeKeeper » [Global] Section of the Configuration File
The [global] section is a special section in the configuration file that must appear in every configuration file used in a LifeKeeper Samba resource hierarchy. As the name implies, any options set in this section apply to all other sections unless that directive is…
[Homes] Section of the Configuration File
Application Recovery Kits » Samba Recovery Kit Administration Guide » Configuring Samba with LifeKeeper » [Homes] Section of the Configuration File
The [homes] section is a special section in the configuration file to handle connection attempts to a user’s home directory on a Samba server if it is not specifically defined as a share. LifeKeeper does not protect users’ home directories via this special share;…
[Printers] Section of the Configuration File
Application Recovery Kits » Samba Recovery Kit Administration Guide » Configuring Samba with LifeKeeper » [Printers] Section of the Configuration File
The [printers] section handles connection attempts to printers on a Samba server if it is not specifically defined as a share. LifeKeeper does not protect printer shares via this special section nor through the global directive load printers. Each LifeKeeper-protected…
Using Mirrored File Systems with DataKeeper
Application Recovery Kits » PostgreSQL Recovery Kit Administration Guide » PostgreSQL Configuration Considerations » Using Mirrored File Systems with DataKeeper
The PostgreSQL Recovery Kit supports the use of SIOS DataKeeper as a shared file system. The mirrored file systems can be used for the PostgreSQL installation path, log path, the data directory and the executable path. For example, a dependent file system for a…
Create File Systems and Directory Structure
Application Recovery Kits » SAP Recovery Kit Administration Guide » SAP Installation » Create File Systems and Directory Structure
While there are many different configurations depending upon which database management system is being used, below is the basic layout that should be adhered to. Set up comm paths between the primary and secondary servers Add virtual ip resources to…
Share Definition Sections of the Configuration File
Application Recovery Kits » Samba Recovery Kit Administration Guide » Configuring Samba with LifeKeeper » Share Definition Sections of the Configuration File
All other sections in the configuration file define the file and/or print shares that clients can attempt to access for this instance. A configuration file must have one or more shares defined. The Samba configuration file can contain file shares only, print shares…
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…
tset Errors Appear in the LifeKeeper Log File
Application Recovery Kits » SAP Recovery Kit Administration Guide » SAP Troubleshooting » tset Errors Appear in the LifeKeeper Log File
Cause: The su commands used by the SAP and Database Recovery Kits cause a ‘tset’ error message to be output to the LK log that appears as follows: tset: standard error: Invalid argument This error comes from one of the profile files in the SAP…
Using Sybase ASE Mirrored File Systems with DataKeeper
Application Recovery Kits » Sybase ASE Recovery Kit Administration Guide » Sybase ASE Recovery Kit Configuration Considerations » Using Sybase ASE Mirrored File Systems with DataKeeper
The Sybase ASE Recovery Kit supports the use of SIOS DataKeeper as a device space. In addition, the Sybase ASE software can be installed on mirrored file systems. For example, a dependent file system for a Sybase ASE resource would look similar to the following, which…
Maintaining a LifeKeeper Single Server Protection Protected System
LifeKeeper Single Server Protection for Linux Technical Documentation » Administration » Maintaining a LifeKeeper Single Server Protection Protected System
When performing system or application maintenance on a LifeKeeper Single Server Protection-protected server, you should either stop LifeKeeper Single Server Protection monitoring or place the protected resources into maintenance mode. This will stop LifeKeeper Single…
Taking the System to init state S WARNING
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Troubleshooting » Taking the System to init state S WARNING
When LifeKeeper is operational, the system must not be taken directly to init state S. Due to the operation of the Linux init system, such a transition causes all the LifeKeeper processes to be killed immediately and may precipitate a fastfail. Instead, you should…
Using SAP DB / Max DB Mirrored File Systems with DataKeeper
Application Recovery Kits » SAP MaxDB Recovery Kit Administration Guide » SAP DB / MaxDB Configuration Considerations » Using SAP DB / Max DB Mirrored File Systems with DataKeeper
The SAP DB / Max DB Recovery Kit supports the use of DataKeeper as a device space. In addition, the SAP DB / MaxDB software can be installed on mirrored file systems. For example, a dependent file system for an SAP DB / MaxDB resource would look similar to the…
Measuring Rate of Change on a Linux System (Physical or Virtual)
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » SIOS DataKeeper Installation and Configuration » Network Bandwidth Requirements » Measuring Rate of Change on a Linux System (Physical or Virtual)
DataKeeper for Linux can replicate data across any available network. In Wide Area Network (WAN) configurations, special consideration must be given to the question, “Is there sufficient bandwidth to successfully replicate the partition and keep the mirror in the…
Creating a DataKeeper Resource Hierarchy
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » SIOS DataKeeper Installation and Configuration » Resource Configuration Tasks » Creating a DataKeeper Resource Hierarchy
Perform the following on your primary server: Select Edit > Server > Create Resource Hierarchy The Create Resource Wizard dialog will appear. Select the Data Replication option from the drop down list and click Next to continue. You will be prompted for the…
SIOS DataKeeper for Linux Resource Types
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » SIOS DataKeeper Installation and Configuration » SIOS DataKeeper for Linux Resource Types
When creating your DataKeeper resource hierarchy, LifeKeeper will prompt you to select a resource type. There are several different DataKeeper resource types. The following information can help you determine which type is best for your environment. Replicate New File…
Avoiding Full Resynchronizations
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » Administering SIOS DataKeeper for Linux » Avoiding Full Resynchronizations
When replicating large amounts of data over a WAN link, it is desirable to avoid full resynchronizations which can consume large amounts of network bandwidth and time. With newer kernels, SIOS DataKeeper can avoid almost all full resyncs by using its bitmap technology.…
Configuration Considerations for Apache Web Server
Application Recovery Kits » Apache Recovery Kit Administration Guide » Configuring Apache Web Server with LifeKeeper » Configuration Considerations for Apache Web Server
Before you create Apache resource hierarchies, you will need to make sure you have completed the following configuration tasks for the Apache Web Server application: In the case Apache package attached to a distribution is installed, it is normally set to autostart…
Mirroring with SIOS DataKeeper for Linux
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » Mirroring with SIOS DataKeeper for Linux
SIOS DataKeeper for Linux offers an alternative for customers who want to build a high availability cluster (using SIOS LifeKeeper) without shared storage or who simply want to replicate business-critical data in real-time between servers. SIOS DataKeeper uses either…
Java Security Policy
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » GUI » Preparing to Run the GUI » Java Security Policy
The LifeKeeper GUI uses policy-based access control. When the GUI client is loaded, it is assigned permissions based on the security policy currently in effect. The policy, which specifies permissions that are available for code from various signers/locations, is…
Command Line Mirror Administration
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » Administering SIOS DataKeeper for Linux » Command Line Mirror Administration
In addition to performing actions through the LifeKeeper GUI, the mirror can also be administered using the command line. There are several commands (found in the $LKROOT/bin directory) that can be used to administer a DataKeeper resource. Mirror…
How SIOS DataKeeper Works
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » How SIOS DataKeeper Works
SIOS DataKeeper creates and protects NetRAID devices. A NetRAID device is a RAID1 device that consists of a local disk or partition and a Network Block Device (NBD) as shown in the diagram below. A LifeKeeper supported file system can be mounted on a NetRAID…
Testing your SAP HANA Resource Hierarchy
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » SAP HANA Resource Configuration Tasks » Testing your SAP HANA Resource Hierarchy
Test Scenarios To understand the behavior of the SAP HANA Recovery Kit, perform the following tests. The following prerequisites must be completed before performing any test: LifeKeeper and the SAP HANA database must be installed and configured according to the…
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…
Setting up NFS
Quick Start Guides » SIOS Protection Suite for Linux in the AWS Cloud (SAP) » ASCS + ERS with NFS » Setting up NFS
NFS server should have been installed on both cluster nodes prior to installation of SIOS as a prerequisite. Create the NFS exports based on the SAP’s requirements in your SAP design. Below are examples that may be use as a guide but not a representation of your SAP…
Network Bandwidth Requirements
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » SIOS DataKeeper Installation and Configuration » Network Bandwidth Requirements
Prior to installing SIOS DataKeeper, you should determine the network bandwidth requirements for replicating your current configuration whether you are employing virtual machines or using physical Linux servers. If you are employing virtual machines (VMs), use the…
Changing Replication and Operation Modes
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » SAP HANA Resource Hierarchy Administration » Changing Replication and Operation Modes
Warning: While the replication and operation modes may be changed for the secondary replication site, the user should never perform a manual takeover or switchover of SAP HANA System Replication outside of LifeKeeper. Doing so will result in an error state in which…
Configuration Definitions and Examples
Application Recovery Kits » Apache Recovery Kit Administration Guide » Configuring Apache Web Server with LifeKeeper » Configuration Definitions and Examples
Apache Web Server supports multiple instances of the httpd daemon running at the same time. Each LifeKeeper Apache Web Server hierarchy corresponds to a separate Apache instance with its own “server root” directory. Each instance may support one or more web sites,…
NAS Recovery Kit Overview
Application Recovery Kits » NAS Recovery Kit Administration Guide » NAS Recovery Kit Overview
LifeKeeper for Linux NAS Recovery Kit The primary focus of the LifeKeeper for Linux NAS Recovery Kit is to offer LifeKeeper users an alternative storage method to shared storage and data replication. The NAS Recovery Kit enables the creation of LifeKeeper resource…
DataKeeper for Linux Troubleshooting
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » DataKeeper for Linux Troubleshooting
This section provides information regarding issues that may be encountered with the use of DataKeeper for Linux. Where appropriate, additional explanation of the cause of an error is provided along with necessary action to resolve the error condition. Messages…
Resolving Split Brain Scenarios
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » SAP HANA Resource Hierarchy Administration » Resolving Split Brain Scenarios
A “split brain” scenario occurs when the SAP HANA database is running and configured as the primary SAP HANA Replication site on multiple cluster nodes. In this situation, LifeKeeper will suspend all monitoring of the HANA database until the issue is manually…
Using Network Attached Storage
Application Recovery Kits » MySQL Recovery Kit Administration Guide » MySQL Recovery Kit Configuration » Using Network Attached Storage
There are a couple of special considerations to take into account when configuring LifeKeeper to use an NFS file server (Network Attached Storage) as cluster storage. Use the NAS Recovery Kit The optional Network Attached Storage (NAS) recovery kit is required when…
Technical Notes
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » Technical Notes
*We strongly recommend that you read the following technical notes concerning configuration and operational issues related to your LifeKeeper environment. LifeKeeper Features Item Description Licensing LifeKeeper requires unique runtime…
Relocating QMDIR and QMLOGDIR
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Configuration Considerations » MQ Configuration Requirements » MQ Configuration Changes After Resource Creation » Relocating QMDIR and QMLOGDIR
If the location of the QMDIR and QMLOGDIR are changed, the LifeKeeper configuration must be modified. You have the following options to do so: Recreate the queue manager resource hierarchies. This involves deletion of the queue manager hierarchy and creation of…
Modify the SAP HANA Instance Profile
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » Configuring SAP HANA with SPS » Modify the SAP HANA Instance Profile
Disable Autostart for the HDB Instance In order for LifeKeeper to successfully manage the SAP HANA resource during failover or system reboot, the Autostart feature which automatically starts the HDB instance on system boot must be disabled. In order to disable this…
Creating a PostgreSQL Database
Application Recovery Kits » PostgreSQL Recovery Kit Administration Guide » PostgreSQL Installation » Creating a PostgreSQL Database
Follow the instructions in your PostgreSQL Administration Guide to create your database. In addition, please note the following recommendations: The PostgreSQL data directory should be initialized using the initdb utility, specifying the –D option. The initdb…
Using Network Attached Storage with Sybase ASE
Application Recovery Kits » Sybase ASE Recovery Kit Administration Guide » Sybase ASE Recovery Kit Configuration Considerations » Using Network Attached Storage with Sybase ASE
There are a couple of special considerations to take into account when configuring SPS to use an NFS file server (Network Attached Storage) as cluster storage. Use the NAS Recovery Kit The optional Network Attached Storage (NAS) Recovery Kit is required when using an…
Configuring NFS Server with LifeKeeper
Application Recovery Kits » NFS Server Recovery Kit Administration Guide » NFS Server Recovery Kit Configuration Considerations » Configuring NFS Server with LifeKeeper
This section contains information to consider before starting to configure and administer the NFS Server Recovery Kit as well as examples of typical LifeKeeper NFS configurations. Please refer to SPS for Linux Technical Documentation for instructions on configuring…
SAP HANA Recovery Kit Message Catalog
Search for an Error Code » Combined Message Catalog » SAP HANA Recovery 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. Code Severity Message Cause/Action …
SAP DB / MaxDB Active/Standby Considerations
Application Recovery Kits » SAP MaxDB Recovery Kit Administration Guide » SAP DB / MaxDB Configuration Considerations » SAP DB / MaxDB Active/Standby Considerations
In an Active/Standby configuration, the backup server is not actively running the SAP DB / MaxDB but stands by in case the primary server experiences a failure. The following scenarios provide specific requirements that must be adhered to when protecting an SAP DB…
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…
Sybase ASE Active/Standby Considerations
Application Recovery Kits » Sybase ASE Recovery Kit Administration Guide » Sybase ASE Recovery Kit Configuration Considerations » Sybase ASE Active/Standby Considerations
In an Active/Standby configuration, the backup server is not actively running the Sybase ASE but stands by in case the primary server experiences a failure. The following scenarios provide specific requirements that must be adhered to when protecting a Sybase ASE…
SPS LVM Hierarchy Creation and Administration
Application Recovery Kits » LVM Recovery Kit Administration Guide » SPS LVM Hierarchy Creation and Administration
SPS LVM hierarchies are created automatically during the hierarchy creation process for resources that sit on top of logical volumes. The creation and extension of hierarchies containing the LVM resource types will always be driven by the create and extend processes of…
Create the SAP DB / MaxDB Database
Application Recovery Kits » SAP MaxDB Recovery Kit Administration Guide » Configuring SAP DB / MaxDB with SPS » Create the SAP DB / MaxDB Database
Follow the instructions in your SAP DB / MaxDB User Manual to create your database. In addition, please note the following recommendations: There must be a DBM operator with authority for starting, stopping, obtaining status and obtaining database parameters via…
Sybase ASE Active/Active Considerations
Application Recovery Kits » Sybase ASE Recovery Kit Administration Guide » Sybase ASE Recovery Kit Configuration Considerations » Sybase ASE Active/Active Considerations
In an Active/Active configuration, each server is actively running one or more Sybase ASE Servers, while acting as a backup for the other SPS server in case of failure. The following scenario provides specific requirements that must be adhered to in sequential order…
Configuration 3 – Symbolic Links
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Configuration Considerations » MQ Configuration Requirements » MQ Supported File System Layouts » Configuration 3 – Symbolic Links
The recommended configuration for Active/Active configurations without LVM and with a large number of queue managers is the use of symbolic links. In this case, one or more dedicated mount points are created (e.g./mg). A LifeKeeper protected file system is mounted…
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…
Clustering with Fusion-io
SIOS Protection Suite for Linux Technical Documentation » DataKeeper » Clustering with Fusion-io
Fusion-io Best Practices for Maximizing DataKeeper Performance SPS for Linux includes integrated, block level data replication functionality that makes it very easy to set up a cluster when there is no shared storage involved. Using Fusion-io, SPS for Linux allows you…
Changing Username / Password for the Oracle Database Account
Application Recovery Kits » Oracle Recovery Kit Administration Guide » LifeKeeper Configuration Tasks for Oracle » Changing Username / Password for the Oracle Database Account
After a hierarchy has been created, change the Username and Password using one of the following procedures. If $ORACLE_HOME is on shared (or replicated) storage (common in active-passive configurations): On the system where the Oracle database resource is…
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…
NAS Troubleshooting
Application Recovery Kits » NAS Recovery Kit Administration Guide » NAS Troubleshooting
Symptom Possible Cause LifeKeeper fail over operation fails with umount busy error. The file system kit used to build NAS hierarchies cannot detect and remove processes not protected by LifeKeeper that are using the mounted file system in a…
Using mysqld Groups with LifeKeeper
Application Recovery Kits » MySQL Recovery Kit Administration Guide » MySQL Recovery Kit Configuration » Using mysqld Groups with LifeKeeper
The MySQL Application Recovery Kit supports my.cnf files using the mysqld group feature managed via mysqld_multi. This MySQL feature allows multiple MySQL instances to be easily configured via a single my.cnf file (typically stored in /etc.) The kit now detects a…
Configuring WebSphere MQ for use with LifeKeeper
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » WebSphere MQ Configuration Considerations » MQ Configuration Requirements » Configuring WebSphere MQ for use with LifeKeeper
There are a number of WebSphere MQ configuration considerations that need to be made before attempting to create LifeKeeper for Linux WebSphere MQ resource hierarchies. These changes are required to enable the Recovery Kit to perform PUT/GET tests and to make the path…
Protecting PostgreSQL Best Practices
Application Recovery Kits » PostgreSQL Recovery Kit Administration Guide » PostgreSQL Configuration Considerations » Protecting PostgreSQL Best Practices
In an Active/Standby configuration, the backup server is not actively running the PostgreSQL, but stands by in case the primary server experiences a failure. In an Active/Active configuration, each server is actively running a PostgreSQL instance, while acting as a…
Known Issues and Workarounds
LifeKeeper Single Server Protection for Linux Technical Documentation » Troubleshooting » Known Issues and Workarounds
Included below are the restrictions and/or known issues open against LifeKeeper Single Server Protection. Product Incompatibility SIOS AppKeeper Because SIOS LifeKeeper monitors and remediates OS and application services in clustered environments in AWS…
SAP HANA Recovery Kit Overview
Application Recovery Kits » SAP HANA Recovery Kit Administration Guide » SAP HANA Recovery Kit Overview
The SAP HANA Recovery Kit is compatible with SAP HANA Platform 2 (SP04 or later). SAP HANA provides three different mechanisms to increase availability. Host Auto-Failover – At least one standby node added to a SAP HANA system. These nodes are configured to work…
Disabling Reservations
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » LifeKeeper I/O Fencing Introduction » Disabling Reservations
While reservations provide the highest level of data protection for shared storage, in some cases, the use of reservations is not available and must be disabled within LifeKeeper. With reservations disabled, the storage no longer acts as an arbitrator in cases where…
Apache Hierarchy Creation Errors
Application Recovery Kits » Apache Recovery Kit Administration Guide » Apache Web Server Troubleshooting » Apache Hierarchy Creation Errors
The error messages that might be displayed during the Apache hierarchy creation are listed below, along with a suggested explanation for each. Error messages displayed by the LifeKeeper core and by other recovery kits are not listed in this guide. Note that you may…
How to Use Setup Scripts
LifeKeeper Single Server Protection » LifeKeeper Single Server Protection for Linux Installation Guide » How to Use Setup Scripts
How to Install / Upgrade LifeKeeper SSP Using the Setup Script To install LifeKeeper SSP, perform the following activities using the setup script. Interactive Mode After logging in as the root user, use the following command to mount the sps.img file: mount -t…
MQ Recovery Kit Abbreviations
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » MQ Recovery Kit Abbreviations
The following abbreviations are used throughout this document: Abbreviation Meaning HA Highly Available, High Availability QMDIR WebSphere MQ queue manager directory. This directory holds the queue manager persistent queue…
Oracle Known Issues and Restrictions
Application Recovery Kits » Oracle Recovery Kit Administration Guide » Oracle Troubleshooting » Oracle Known Issues and Restrictions
Control File Switchover Failure If the $ORACLE_HOME directory does not recover, the database control files may not be set up properly. For automatic switchover, the control files need to be configured on a shared device during the database creation. If you keep the…
DB2 Configuration Requirements
Application Recovery Kits » DB2 Recovery Kit Administration Guide » Configuring the LifeKeeper for Linux DB2 Recovery Kit » Configuration Considerations for DB2 Multiple Partition » DB2 Configuration Requirements
To ensure proper operation of the DB2 Recovery Kit in a multiple partition environment, LifeKeeper requires the following: If you cannot use an additional cluster for your NFS hierarchy, be aware that the LifeKeeper for Linux DB2 Recovery Kit restricts the…
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…
Adding a Device Space after Creating a Hierarchy
Application Recovery Kits » SAP MaxDB Recovery Kit Administration Guide » Appendix – Creating Device Spaces Using Raw I/O with SAP DB » Adding a Device Space after Creating a Hierarchy
If a tablespace is added on a raw I/O device or shared file system after the SAP DB hierarchy has been created in SPS, you must manually create a resource hierarchy for the raw device or file system via the LifeKeeper GUI. The newly created resource hierarchy must then…
LCDI Commands
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » User Guide » Using LifeKeeper for Linux » Advanced Tasks » LCD » LCDI Commands
Steps to Create Resources by Defining Your Own Recovery Kit Note: Use the GUI to create resources if using the existing Recovery Kit. LifeKeeper provides two mechanisms for defining an application resource hierarchy: LifeKeeper GUI LifeKeeper Configuration…
How to Use Setup Scripts
SIOS Protection Suite for Linux Installation Guide » How to Use Setup Scripts
How to Install / Upgrade SPS Using the Setup Script To install or upgrade SPS, follow the steps below. Interactive Mode After logging in as the root user, use the following command to mount the sps.img file: mount -t iso9660 -o loop Where PATH is the path to…
Setting up Oracle to Use Raw I/O
Application Recovery Kits » Oracle Recovery Kit Administration Guide » Oracle Appendix » Setting up Oracle to Use Raw I/O
Use the following steps to create an Oracle database that uses shared Raw I/O devices instead of files. Determine the minimum number and sizes of files that you will need to create your database, including control files, tablespaces and redologs. You can create a…
SAP DB / MaxDB Active/Active Considerations
Application Recovery Kits » SAP MaxDB Recovery Kit Administration Guide » SAP DB / MaxDB Configuration Considerations » SAP DB / MaxDB Active/Active Considerations
In an Active/Active configuration, each server is actively running one SAP DB instance while acting as a backup for the other server in case of failure. The following scenario provides specific requirements that must be adhered to in sequential order when protecting an…
MQ Hardware and Software Requirements
Application Recovery Kits » WebSphere MQ Recovery Kit Administration Guide » MQ Recovery Kit Requirements » MQ Hardware and Software Requirements
Hardware Requirements Servers. The Recovery Kit requires two or more servers configured in accordance with the requirements described in the SIOS Protection Suite Installation Guide. See the Linux Configuration Table for supported Linux distributions. Data…
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…
SAP Directory Structure
Application Recovery Kits » SAP Recovery Kit Administration Guide » SAP Configuration Considerations » SAP Directory Structure
The directory structure for the database will be different for each database management system that is used with the SAP system. Please consult the SAP installation guide specific to the database management system for details on the directory structure for the…
Active/Standby Configuration Example
Application Recovery Kits » SAP MaxDB Recovery Kit Administration Guide » SAP DB / MaxDB Configuration Considerations » SAP DB / MaxDB Active/Standby Considerations » Active/Standby Configuration Example
IndepData = /shr1/data IndepPrograms = /shr1/programs DependPath = /shr1/depend Configuration Notes: Both servers use the IndepProgPath, DependPath and IndepDataPath on the shared storage. The database instance DB1 is located on the shared storage. This…
LKCLI – Resource Creation
SIOS Protection Suite for Linux Technical Documentation » Command Line Interface » LKCLI Guide » LKCLI – Resource Creation
This topic describes how to create LifeKeeper resources for protected services and applications. Note: Be sure to create a communication path first (refer to LKCLI Communication Path Creation and Deletion). Creating File System Resources The steps for creating file…
General IP Planning Considerations
Application Recovery Kits » IP Recovery Kit Administration Guide » IP Recovery Kit Configuration » General IP Planning Considerations
After you have selected the addresses, netmasks and associated host/domain names you intend to use for IP resource hierarchies, add the appropriate entries to each server’s /etc/hosts file, and to the Domain Name Server (DNS), if used. *Note: Even if you are using a…
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…
Apache Extend Hierarchy Errors
Application Recovery Kits » Apache Recovery Kit Administration Guide » Apache Web Server Troubleshooting » Apache Extend Hierarchy Errors
The error messages that might be displayed during Apache hierarchy extension are listed below, along with a suggested explanation for each. Note that these error messages appear when the GUI indicates it is “Executing the pre-extend script….” to validate the…
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…
Quorum/Witness
SIOS Protection Suite for Linux Technical Documentation » LifeKeeper » Installation and Configuration » LifeKeeper I/O Fencing Introduction » Quorum/Witness
Quorum/Witness Server Support Package for LifeKeeper Feature Summary The Quorum/Witness Server Support Package for LifeKeeper (steeleye-lkQWK, hereinafter “Quorum/Witness Package”) combined with the existing failover process of the LifeKeeper core allows system…