Active-Active Clustering

True Active-active Metro Stretch Cluster

Eliminate cost and complexity from business continuity and disaster recovery with Purity ActiveCluster™—a true simple, built-in active-active cluster.

Fully Symmetric Active-active Bidirectional Replication

Pure ActiveCluster provides synchronous replication for RPO zero and automatic transparent failover for RTO zero. With it, use clustered arrays and hosts in multiple sites within flexible active-active data center configurations. Provide intelligent asynchronous replication for long-distance disaster recovery.

Active-active Is the Key

Unlike active-passive implementations, Purity ActiveCluster’s active-active design simultaneously serves I/O on the same volume from both sites. Avoid the complexity of managing VM or database instance affinity to a site. Application latency is optimised.

Built-in Long-distance Protection

Active-active asynchronous replication provides robust out-of-region disaster recovery protection with intelligent replication. Maintain your disaster recovery RPO even if one of your ActiveCluster arrays is offline.

Performance-optimised, Always Available

ActiveCluster’s preferred-array setting ensures that hosts have the best possible performance. Writes from the host use only one round-trip for synchronous replication between arrays; reads are always serviced by the local path.

Easy and Automatic Management

Managing an ActiveCluster stretch cluster is as simple as a single array. Perform snapshot and clone operations from either array. Volumes and snapshots are synchronously maintained on both arrays. Failovers are transparent and arrays automatically resynchronize.

What is active-active clustering?

Active-active clustering is a data resiliency architecture in which client workloads are distributed across two or more nodes in a cluster to keep your data safe and available in the event of an unexpected component failure.

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People also ask:

1. What are the benefits of active-active clusters?

Common benefits of active-active clusters include:

  • High availability of mission-critical apps across data centers, campuses, and metros
  • Load balancing across a cluster of servers
  • Data redundancy and resiliency (maintain uptime even when one site fails)
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2. What is a high-availability cluster?

A high-availability cluster, also known as a failover cluster, is a computer system made up of two or more machines or nodes that may be used to maintain service availability due to failed hardware, disaster, or another type of downtime event.

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3. Active-active vs. active-passive—what’s the difference?

The key difference between these two architectures is performance. The two main types of high-availability (HA) clusters are:

  • Active-active clusters: Client machines connect to a load balancer that distributes their workloads across multiple active servers.

  • Active-passive clusters: Client machines connect to the main server, which handles the full workload, while a backup server remains on standby, only activating in the event of a failure.

Active-active clusters give you access to the resources of all your servers during normal operation. In an active-passive cluster, the backup server only sees action during failover.

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