“There is no such thing as the cloud, it’s just somebody else’s computer”
I apologize for any marketing confusion. When it comes to clustering and high availability software, there are several solutions available that help ensure service continuity and failover in a cloud environment. Here are some examples:
1. Pacemaker: Pacemaker is an open-source high availability resource manager that works in conjunction with the Linux-HA (Heartbeat) framework. It provides automated failover and resource management for critical services by monitoring the health of cluster nodes and managing the distribution of resources.
2. Keepalived: Keepalived is a lightweight and high-performance software solution that provides high availability and load balancing for Linux systems. It utilizes the Virtual Router Redundancy Protocol (VRRP) to create a virtual IP address that can be switched between multiple servers in case of a failure.
3. Microsoft Failover Clustering: Microsoft Failover Clustering is a feature available in Windows Server that allows multiple servers to work together as a cluster. It provides high availability and failover support for applications and services running on Windows-based systems.
4. Corosync: Corosync is an open-source cluster messaging layer that facilitates communication and coordination between nodes in a cluster. It is often used in conjunction with Pacemaker to build highly available clusters.
5. Veritas Cluster Server: Veritas Cluster Server is a commercial clustering solution that provides high availability and disaster recovery capabilities across physical and virtual environments. It offers advanced features such as application-level monitoring, automatic failover, and data replication.
6. Linux-HA (Heartbeat): Linux-HA, also known as Heartbeat, is an open-source software project that provides high availability clustering functionality for Linux systems. It monitors the health of cluster nodes and manages the failover of resources.
7. DRBD (Distributed Replicated Block Device): DRBD is a distributed storage solution for Linux that enables synchronous data replication between servers. It is often used in combination with clustering software to provide shared storage and high availability.
8. IBM PowerHA SystemMirror: PowerHA SystemMirror is a high availability and disaster recovery solution for IBM Power Systems. It provides automated failover, workload balancing, and data replication across multiple servers.
9. Oracle Clusterware: Oracle Clusterware is a component of Oracle Grid Infrastructure that enables the creation and management of clustered environments. It provides high availability and scalability for Oracle databases and applications.
10. FreeBSD CARP (Common Address Redundancy Protocol): CARP is a protocol available in FreeBSD that allows multiple hosts to share a common IP address. It provides redundancy and failover capabilities for network services.
11. Red Hat Cluster Suite: Red Hat Cluster Suite is a comprehensive high availability and clustering solution for Red Hat Enterprise Linux. It includes software components such as Pacemaker, Corosync, and cman for managing clusters and providing failover support.
12. SUSE Linux Enterprise High Availability Extension (SLE HA): SLE HA is a clustering and high availability solution for SUSE Linux Enterprise. It provides automated failover, resource monitoring, and recovery mechanisms for critical services.
13. Windows Server Failover Clustering (WSFC): WSFC is a feature of Windows Server that enables the creation of a high availability cluster. It provides failover support for applications and services running on Windows-based systems.
14. Apache ZooKeeper: ZooKeeper is an open-source distributed coordination service that provides high availability and coordination for distributed systems. It is often used in large-scale distributed applications and systems.
15. Veritas InfoScale: InfoScale, formerly known as Veritas Cluster Server, is a comprehensive solution for clustering and high availability across various operating systems and virtualization platforms. It offers advanced features for resource management, failover, and data replication.
16. Proxmox High Availability (HA): Proxmox HA is a feature of the Proxmox Virtual Environment (PVE) that provides high availability for virtual machines and containers. It allows for automatic failover and resource management in a virtualized environment.
17. Oracle Real Application Clusters (RAC): Oracle RAC is a high availability and scalability solution for Oracle databases. It enables multiple servers to share a single database, providing redundancy, workload balancing, and failover support.
18. IBM Spectrum Virtualize: IBM Spectrum Virtualize is a software-defined storage solution that offers high availability and data replication capabilities. It allows for the creation of virtualized storage pools across multiple systems for increased resiliency.
19. Citrix Application Delivery Controller (ADC): Citrix ADC, formerly known as NetScaler ADC, is a comprehensive application delivery and load balancing solution. It provides high availability, traffic management, and application acceleration for web-based applications.
20. Symantec Veritas Cluster Server (VCS): Veritas Cluster Server is a high availability and disaster recovery solution that supports a wide range of operating systems and applications. It offers advanced features for failover, application monitoring, and automated recovery.
21. Galera Cluster for MySQL: Galera Cluster is a multi-master synchronous replication solution for MySQL databases. It enables active-active clustering, ensuring high availability and data consistency across multiple nodes.
22. GlusterFS: GlusterFS is an open-source distributed file system that allows for the creation of highly available and scalable storage clusters. It provides data replication and automatic failover to ensure data accessibility and redundancy.
23. Apache Mesos: Apache Mesos is a distributed systems kernel that provides resource management and fault tolerance for large-scale cluster environments. It allows for the efficient utilization of resources and supports high availability for applications.
25. VMware vSphere High Availability (HA): VMware vSphere HA is a feature of the vSphere virtualization platform that provides automated restart and failover capabilities for virtual machines in case of host failures. It helps ensure high availability for virtualized environments.
26. Nutanix Acropolis Distributed Storage Fabric (ADSF): ADSF is a software-defined storage solution provided by Nutanix. It utilizes a distributed architecture to deliver high availability, data redundancy, and performance for virtualized environments.
27. Cisco Unified Computing System (UCS) Manager: Cisco UCS Manager is a management tool for Cisco Unified Computing System infrastructure. It offers built-in high availability and failover capabilities to ensure uninterrupted operation of the Cisco UCS environment.
28. Oracle Grid Infrastructure: Oracle Grid Infrastructure is a foundation for Oracle’s high availability solutions. It provides cluster management, resource monitoring, and failover support for Oracle databases and applications.
29. IBM PowerHA SystemMirror for AIX: PowerHA SystemMirror for AIX is an IBM solution that provides high availability and disaster recovery capabilities for AIX environments. It enables automatic failover and workload balancing across multiple systems.
30. HPE Serviceguard: HPE Serviceguard is a clustering and high availability solution for HPE servers running the HP-UX operating system. It offers features such as failover, automatic recovery, and application monitoring.
To name a few…
The popularity of clustering and high availability software can vary depending on specific use cases, industries, and preferences. However, some of the widely recognized and popular solutions in the market include:
1. Pacemaker: Pacemaker is a popular open-source high availability resource manager that is widely used in Linux environments, offering features like failover and resource management.
2. Microsoft Failover Clustering: Microsoft Failover Clustering is a widely used solution for providing high availability and failover support for Windows-based systems, particularly in the Microsoft ecosystem.
3. VMware vSphere High Availability (HA): VMware vSphere HA is a widely adopted solution for providing high availability for virtualized environments using the VMware vSphere platform.
4. Oracle Real Application Clusters (RAC): Oracle RAC is a popular choice for ensuring high availability and scalability for Oracle database deployments, allowing multiple servers to share a single database.
5. Linux-HA (Heartbeat): Linux-HA, also known as Heartbeat, is a well-established open-source project used in Linux environments for achieving high availability through resource monitoring and failover.
6. Apache ZooKeeper: Apache ZooKeeper is widely used in distributed systems and big data applications for coordination, synchronization, and high availability.
Please note that the choice of clustering and high availability software may depend on the specific operating system, infrastructure, application requirements, and organizational preferences. It’s important to evaluate the features, compatibility, and support for your specific environment when selecting the most suitable solution.
These are just a few examples of clustering and high availability software that can be used to ensure service continuity and failover and make for a cloud environment. The specific choice of software may depend on factors such as the operating system, infrastructure, application requirements, and organizational preferences.