HP UX Serviceguard High Availability Software guide

on HP-UX 11i v3

NOTES:

A = Requires SVSP version 2.0 or later

B = Refer to the SVSP Streams documentation for DPM and VSM firmware versions required for the HP-UX version being used. Refer to the SVSP Streams documentation for the Command View and SecurePath versions required for the HP-UX version being used

C = Only supported with SVSP-supported external storage (available on SPOCK)

Additional notes for the information in the tables above:

∙Other disks or arrays (not listed in these tables) that are supported for HP-UX may be used on non-shared buses.

∙Oracle RAC data is generally required to be stored in RAW volumes on Shared LVM (SLVM) volume groups or Veritas Cluster Volume Manager (CVM) disk groups, or can be stored on Cluster File Systems (CFS).

∙To determine if a storage device is supported with the Serviceguard Storage Management Suites, check if the device is supported for VERITAS versions 4.1, 5.0, 5.0.1 or 5.1 and VxVM, CVM and CFS.

∙It is supported to mix Fibre Channel, SAS or SCSI mass storage devices within the same Serviceguard cluster.

∙All storage devices are supported as Serviceguard cluster lock disks, using LVM-based cluster lock or cluster lock LUN unless otherwise noted.

∙It is important to understand what is meant here when this document refers to a Shared Bus. A Shared Bus is any bus (SCSI, SAS, or Fibre Channel) connected to more than a single node. This is also known as having Multiple Initiators.

∙Generally, the information listed in this document is specifically regarding the use of the device as a shared data disk with Serviceguard, Serviceguard Extension for RAC (SGeRAC, formerly Serviceguard OPS Edition) or the Serviceguard Storage Management Suites (SG SMS). Unless otherwise noted, the information here does not apply to the use of any device for purposes other than as a shared data disk for

∙Serviceguard, SGeRAC, and SG SMS. Another important restriction with Serviceguard and SGeRAC is that shared SCSI buses should not contain any non-disk devices (such as DDS tape drives, DLT tape drives or CD-ROM drives). This is because most of these devices do not handle buses with Multiple Initiators properly. This restriction does not apply for Fibre Channel or SAS, since Fibre Channel and SAS switches provide the needed isolation.

∙Any Fibre Channel or SAS Host Bus Adapters and Switches supported by HP-UX are also with Serviceguard, SGeRAC, and SG SMS. Supported Host Bus Adapters for HP-UX can be found at: http://www.hp.com/products1/serverconnectivity/storagesnf2/index.html

UX Serviceguard High Availability Software specifications

HP-UX Serviceguard is a powerful high availability (HA) software solution designed to ensure that mission-critical applications remain accessible and operational in the event of hardware or software failures. Built for the HP-UX operating system, it plays a crucial role in maintaining business continuity by providing automated failover capabilities, minimizing downtime, and protecting valuable data.

One of the core features of HP-UX Serviceguard is its ability to monitor the health of system resources and applications. It continuously checks the status of critical components, and in the event of a detected failure, it automatically initiates failover processes. This means that system resources can be switched to backup servers seamlessly, allowing for uninterrupted access to services and applications.

Serviceguard utilizes a cluster-based architecture, which consists of multiple nodes that work together as a single system to ensure high availability. Each node can take over the resources of another node in case of a failure. This configuration provides redundancy and resilience, ensuring that if one node goes down, the others can maintain operations without any significant impact on performance.

Another standout feature of HP-UX Serviceguard is its support for various applications and databases. It is compatible with popular enterprise applications, making it a versatile solution for businesses with diverse IT environments. The software is optimized for a range of database and web applications, providing tools for seamless integration and management.

Serviceguard's advanced configuration options allow administrators to create custom failover policies based on specific business needs. This flexibility means that organizations can tailor their high availability solutions to meet the demands of their unique IT ecosystem. Furthermore, Serviceguard supports both active-active and active-passive clustering configurations, enabling businesses to choose the level of availability that suits their operational requirements.

In terms of data protection, HP-UX Serviceguard offers features such as file system replication and backup capabilities. It integrates with storage systems to provide comprehensive data recovery options. Additionally, its scripting and automation tools help streamline management tasks, reducing the operational burden on IT teams.

Overall, HP-UX Serviceguard stands out as a robust high availability solution, offering a comprehensive set of features, technologies, and characteristics that empower organizations to maintain business continuity. With its cluster-based architecture, application support, customizable policies, and data protection mechanisms, Serviceguard is an essential tool for enterprises relying on HP-UX for their critical workloads.