Figure 25 Consistency of I/O addressing

Device Addressing Identification

System Event

L

 

L

 

 

 

 

 

 

un

 

egac

 

 

 

 

UNpath

 

 

L

 

 

 

 

 

L

 

 

 

 

 

 

 

 

 

Per

 

 

 

 

y

 

 

 

 

 

 

 

 

 

yH/W evi

 

 

 

 

egac

 

 

 

 

 

H/W

 

 

 

 

 

 

tentH/W

 

 

 

 

 

 

 

sis

 

 

 

 

 

 

D

ce

 

 

 

P

P

 

D

P

 

 

 

 

 

 

SF ath

ath

SFath

 

D

 

 

 

 

 

 

 

 

WWI D D

Reboot

C

C

C

C

C

C

C

Reinstallation on same system and devices.

N

N

C

N

C

C

C

Installation with replacement of system and/or HBAs

N N C N C C C

with same model and config using the same devices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Installation with same system and config using

N N *

N * N N

replacement devices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Installation with other hardware changes

N

N

N

N

N

N

N

 

 

 

 

 

 

 

 

Recovery with same system and devices

R

N

C

R

C

C

C

 

 

 

 

 

 

 

 

Recovery with replacement of system and/or HBAs

R

N C

R

C

C C

with same model and config using the same devices

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Recovery with same system and config using

R

N *

R

* N N

replacement devices

 

 

 

 

 

 

 

 

 

 

 

 

 

Recovery with other hardware changes

N

N

N

N N

N N

Use the following key for the “Consistency of I/O Addressing” figure above.

C = Consistent — Device addressing id value is saved in HP-UX config content and the correlation between these values and devices does not change as a result of the event.

N = New Value — Device addressing id value is newly created as a result of the event. The device addressing id value for a device might or might not change as a result of the event.

R = Recovered — Ignite-UX will restore the association between device addressing id values and devices when possible. The process used to match previous and current devices is handled by Ignite-UX recovery matching methods. Matching might not be possible if the system configs differ.

*— Might be a consistent value for some I/O protocols such as parallel SCSI, and might be a new value for some I/O protocols such as fibre channel.

Practical considerations

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Image 79
HP UX System Management Software manual UNpath Per YH/W evi

UX System Management Software specifications

HP-UX System Management Software is a robust suite of tools designed to facilitate the administration and management of HP's Unix-based operating system, HP-UX. As organizations increasingly rely on mission-critical applications, the need for a reliable and efficient management solution becomes paramount. HP-UX provides a comprehensive understanding of system performance, resource utilization, and enterprise-wide configuration, all while maintaining high availability and security.

One of the key features of HP-UX System Management Software is its Advanced System Administrator Toolkit. This toolkit includes a wide array of utilities that streamline daily administrative tasks such as monitoring system performance, managing user accounts, and configuring system settings. Tools such as Glance provide real-time monitoring of system resources, enabling administrators to identify bottlenecks and optimize performance.

The software also boasts an advanced security framework, including features such as Role-Based Access Control (RBAC) and Secure Shell (SSH) for secure data transmission. Security patches and updates can be managed through HP’s Service Pack for HP-UX, which provides a streamlined method for maintaining system integrity and compliance with various regulatory standards.

Another notable aspect is the extensive support for virtualization technologies. HP-UX supports HP’s Integrity Virtual Machines (IVMs) and vPars, allowing administrators to create multiple isolated environments on a single physical server. This not only enhances resource utilization but also improves disaster recovery planning by enabling easier backup and restore processes.

For storage management, HP-UX offers tools that enable easy setup and management of Logical Volume Managers (LVM). This allows simplified disk space allocation and management, ensuring that critical applications have the necessary resources without manual intervention.

Furthermore, HP-UX is designed with compatibility in mind, supporting a wide range of third-party applications and frameworks. Integration with management platforms like HP System Insight Manager enhances the ability to monitor and manage systems from a centralized perspective, providing alerts and reports that help in proactive decision-making.

In summary, HP-UX System Management Software delivers a streamlined approach to system administration, focusing on performance, security, and ease of management. Its advanced features, combined with an emphasis on virtualization and storage management, make it a powerful tool for organizations seeking reliability and efficiency in their Unix-based environments. As businesses continue to evolve, tools like HP-UX will remain crucial for ensuring consistent performance and operational excellence.