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High
Availability

CoreLab Cluster HA provides automatic failover through 1:1 local mirroring and shared-storage N:1 configurations. When a server failure occurs, your systems continue running without business interruption.

HA Architecture

Local Network Virtual IP (VIP) 192.168.1.3 Active Node A 192.168.1.1 100.100.100.1 200.200.200.1 Application Server Standby Node B 192.168.1.2 100.100.100.2 200.200.200.2 Application Server Real-time Sync

Key Features

⚡ Automatic Failover

Event-based fault detection with fast failure judgment and automatic failover. Service continuity without user intervention.

🔄 Real-time Sync

Real-time data synchronization between Active and Standby for zero data loss on failover.
Immediate recovery without interruption.

🔗 Shared Storage

Supports configurations using SAN/iSCSI-based shared storage.

🖥️ Web Console

Cluster status monitoring, configuration changes, and log review in a single screen.

Product Configuration

Product Mirror Replication Shared Storage
CoreLab Cluster for Windows ✓ ✓
CoreLab Cluster for Linux ✓ ✓
CoreLab Cluster for Virtual ✓ ✓

Supported Environments

Supported OS (Windows) MS Windows Server 2012 R2+
MS Windows 10 1607 ESU+
MS Windows 11 22H2 ESU+
Supported OS (Linux) RedHat Enterprise Linux 8 x64+
CentOS Stream 9 x64+
Rocky 8.4 x64+
Oracle Enterprise Linux 8 x64+
Ubuntu 20.04 / 22.04 / 24.04 x64+
Debian 12 x64+
Virtualization VMware, Hyper-V, KVM, Proxmox, Citrix
Supported Applications DB: Oracle, MSSQL, DB2, MySQL, MariaDB, Tibero, Postgres SQL
Web: IIS, NginX, Apache
M/W: WebLogic, WebSphere, Tomcat
Custom App: Service(Windows), Daemon(Linux), Process
Supported Storage FCSAN, iSCSI, SAS
Management Web Console + REST API
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