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Animal Shelter

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Vertical-Specific

medium

large

Oracle Real Application Clusters (RAC) allow customers to run a single Oracle Database across multiple servers in order to maximize availability and enable horizontal scalability, while accessing shared storage. User sessions connecting to Oracle RAC instances can failover and safely replay changes during outages, without any changes to end user applications, hiding the impact of the outages from end users.

Oracle Real Application Clusters

High Availability Cluster

Oracle

small

Windows Server Failover Clustering (WSFC) is a group of independent servers that work together to increase application and service availability.

Windows Server Failover Clustering

Microsoft

InfoScale delivers a common availability platform across physical, virtual, and cloud infrastructures. Through direct integration with enterprise applications, it provides high availability and disaster recovery for a wide array of critical business services. InfoScale helps enterprises to increase application uptime and optimize performance.

Veritas InfoScale

Cohesity

Percona XtraDB Cluster

Percona

NetApp MetroCluster software is a solution that combines array-based clustering with synchronous
replication to deliver continuous availability and zero data loss at the lowest cost. The vendor states administration of the array-based cluster is simpler because the dependencies and complexity normally associated with hostbased clustering are eliminated. MetroCluster immediately duplicates mission-critical data on a transaction-by-transaction basis, providing uninterrupted access to applications and data. MetroCluster works with a host environment to provide continuous data availability while eliminating the need to create and maintain complicated failover scripts.

NetApp MetroCluster

NetApp

SUSE Linux Enterprise High Availability Extension

SUSE

Red Hat Cluster Suite

Red Hat

HPE Serviceguard

Hewlett Packard Enterprise

DxEnterprise

DH2i

Tech Cares 2022

Tech Cares 2023

IBM offers PowerHA SystemMirror, for high availability clustering.

IBM PowerHA SystemMirror

High Availability Clusters (or HA Clusters, also called fail over clusters) are servers grouped together so that if one server providing an applications fails, another server immediately restarts the application. In this way application reliability is maintained and down-time is minimized or nearly eliminated. High Availability Cluster Software (or just High Availability Software) are the automated cluster management platforms designed to achieve constant application availability without intervention by a human operator.

Likelihood to Recommend

IBM is a global technology and innovation company headquartered in Armonk, NY.  It is one of the largest technology and consulting employers in the world, with approximately 427,000 employees serving clients in 170 countries. IBM offers a wide range of technology and consulting services; a broad portfolio of middleware for collaboration, predictive analytics, software development and systems management; and advanced servers and supercomputers. Utilizing its business consulting, technology and R&amp;D expertise, IBM says it helps clients become "smarter" as the planet becomes more digitally interconnected. This includes working with organizations and governments to build systems that improve traffic congestion, availability of clean water, and the health and safety of populations. IBM invests more than $6 billion a year in R&amp;D, just completing its 18th year of patent leadership. IBM Research has received recognition beyond any commercial technology research organization and is home to 5 Nobel Laureates, 9 US National Medals of Technology, 5 US National Medals of Science, 6 Turing Awards, and 10 Inductees in US Inventors Hall of Fame. The company was behind the inventions of the PC; SABRE travel reservation system; UPC codes, Watson, the Jeopardy!-playing computing system, and much more.

Reviews

TrustRadius is a technology and business research firm based in Austin, Texas. The company is known as a review platform for verified B2B technology and software reviews through a proprietary algorithm and human verification.

TrustRadius

Graphical interface

Needs an update

Technical support

Customization options

Down time

Hardware and software

Provide us

Production environment

High performance

Send a message

No downtime

Lots of customization

Business operations

Home

High Availability Cluster Software

IBM PowerVM

IBM Power servers

IBM Power Virtual Server

In our project, we are using IBM PowerHA SystemMirror to make our DB2 database highly available. We can't afford any downtime during production hours. 

Product Usage

In our project, we are using IBM PowerHA SystemMirror to make our DB2 database highly available. We can't afford any downtime during production hours.

Pros and Cons

High performance during peak business hours
No downtime during critical business operations
Easy updates

Things done well

It would be great if we could configure it on Linux servers
CPU core dependency
Online resource change, like Volume Group

Things done poorly

When we were planning for our underneath OS migration from AIX 7.1 TL05 SP02 to AIX 7.2 TL02SP03 we moved the active database to another node. After failover, we rebooted the primary node and successfully upgraded the OS on the node. Once we perform the basic health check then we will fall back on the primary node in scheduled maintenance.

Database monitoring configuration in cluster
Cluster FS size can be easily extended
Auto-cluster snapshot, which takes regular backup of cluster configuration

Most Important Features 3.4.21

There will is no single point of failure in PowerHA SystemMirror
High performance in PowerHA SystemMirror
TL upgrades are easy without any impact

Return on Investment

There are multiple reasons that bring PowerHA SystemMirror upfront from other software. It's installed on IBM AIX, which is a high-resilience and high-performance operating system. Additionally, OS and TL upgrades can be easily done while using PowerHA SystemMirror.

Alternatives

IBM Power System Virtual Server, IBM Power servers, IBM PowerVM

Other Software Used

Senior Specialist

IBM PowerHA SystemMirror 2022-03-22 00:02:03

IBM AIX

As we are running with critical applications and databases including oracle, db2, and others. To make them highly available we are using Power HA System Mirror which is helping to run the environment with minimal downtime window in case of worst scenarios as well as in case of maintenance which is helping a lot in my business.

Resource group movement.
Application monitoring.
Problem determination.

GUI Feature can be added in every version of Power HA.
Default installation of smart assist file set can be made.
Default Parameters of application monitoring can be added.

In every organization, we have some of the critical applications in on Premise datacentre were a lot of dependencies in a picture in terms of application as well as a business where we can make highly available to this application by using Power HA Systemmirror by using this we can avoid last time surprises.

Application monitoring.
Resource movement.
Problem determination tool.

Reliable High Available Environment.
SAN Based Monitoring in terms of devices.
Network level check in terms of HA services.

As I am having long experience with this so no doubt, I am very confident for it where I can deploy easily and manage easily in terms of any issues can go with multiple logs and take further actions on it to fix the issue in a swift manner which matters a lot to me. That's why I have given higher priority to it.

IBM AIX, IBM PowerVM, IBM Power System Virtual Server

Manager

IBM PowerHA SystemMirror 2022-03-06 08:31:14

PowerHA is used across the organization for our most critical apps. It is used to reduce downtime on our critical apps in the event of a system failure.

Reduces downtime
can automatically failover the apps and start them up
Lots of customization options

Sometimes has problems with starting or stopping the applications

It is well suited if you have a mission-critical application that you need to keep running.  While there will still be some downtime while it fails over, it is greatly reduced.

automatic failover
ability to DLPAR CPU and memory resources
customization

It does require two separate servers which is an extra expense
If there is a failure the downtime for the apps is limited

IBM PowerHA SystemMirror 2021-07-08 08:39:48

Precisely Assure MIMIX

SolarWinds Security Event Manager (SEM)

DX Application Performance Management

PowerHA is currently used by the IBM Power Infrastructure Support group for high-availability clustering and to replicate our user profiles to our DR infrastructure. Is also use for asynchronous geographic mirroring and space-efficient FlashCopy where we perform our backups.

Asynchronous geographic mirroring extends the host-based replication to our DR environment.
FlashCopy provide us with a point in time snapshot of our Production environment from which we can run our daily backups without downtime.
Since PowerHA runs at the kernel level it allows the system to send a message from the primary system to the backup or secondary system when the node has crashed.

IBM Sybase replication has been an issue for those who don't [use] MIMIX on their systems to keep the Sybase up to date.
The graphical interface really needs an update.
Technical support isn't as responsive as it should be.

If you have an environment where you have to replicate your Sybase I would recommend an implementation that includes MIMIX for PowerHA as part of the entire environment, but if you have a Sybase that never changes and you run all your applications on an iASP the IBM PowerHA SystemMirror is the solution for your business.

The inability to maintain our Sybase up to date with IBM PowerHA SystemMirror

We installed IBM PowerHA SystemMirror to perform the clustering and switching functionality.

IBMi Systems Engineer

IBM PowerHA SystemMirror 2017-08-25 13:50:22

Operating Systems	Unspecified
Mobile Application	No

IBM PowerHA SystemMirror

Overview

What is IBM PowerHA SystemMirror?

PowerHA SystemMirror

IBM PowerHA SystemMirror- Vikas

Use PowerHA to keep your critical applications running

IBM PowerHA Use it or Not!!!

Awards

Product Details

What is IBM PowerHA SystemMirror?

IBM PowerHA SystemMirror Technical Details

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