Boot problems

Troubleshooting	CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Boot problems	85

Trying to boot from the wrong device

Primary boot device is not available

Generally speaking, most boot problems are the result of one of two problems: either you are trying to boot from the wrong device or the primary boot device is not available. This section suggests remedies for those situations.

If you are trying to boot from the wrong device, you must change the boot device. Here is a quick way to do that:

1.Reboot: # /usr/sbin/shutdown -y -g0 -i0

2.From the ok prompt enter: ok> printenv boot-device

The system responds: boot-device<disk>

where <device> is either the word disk, indicating the primary boot device, or the word bootdevice2, indicating the alternate boot device. (This may be followed by additional device names.)

To change the boot device, enter the following command:

ok setenv boot-device bootdevice2

- or -

ok setenv boot-device disk

You should have set up bootdevice2 as the alternate boot device when you installed disk mirroring.

If the primary boot device is not available, you must change to the secondary boot device.

Changing to the secondary boot device is a matter of entering, from the ok prompt, the following command:

ok> setenv boot-device bootdevice2

You should have set up bootdevice2 as the alternate boot device when you installed mirroring.

585-210-940 specifications

Lucent Technologies, founded in 1996 as a spin-off from AT&T, emerged as a leader in telecommunications, contributing significantly to the advancement of network technologies. The model 585-210-940, an innovative product from Lucent, exemplifies their commitment to providing cutting-edge solutions for communication networks.

The 585-210-940 is primarily recognized as a digital cross-connect system (DCS) designed to manage and route digital voice and data traffic efficiently. This system plays a crucial role in facilitating seamless communication by allowing service providers to interconnect different digital circuits and manage bandwidth effectively. One of the main features of the 585-210-940 is its ability to support multiple protocols, which enhances interoperability among diverse communication platforms.

A standout characteristic of this system is its scalability. The 585-210-940 can adapt to growing network demands, making it suitable for both small enterprises and large service providers. This flexibility ensures that users can expand their systems without a complete overhaul, thereby reducing costs and downtime during upgrades. Additionally, the system provides fault tolerance, ensuring high availability and reliability, which are essential metrics for any critical telecommunications infrastructure.

Lucent Technologies also integrated advanced monitoring and management capabilities into the 585-210-940. This feature allows operators to track performance metrics and identify potential issues in real time. The system includes a user-friendly interface that simplifies network management tasks, making it accessible to operators with varying levels of technical expertise.

Moreover, the 585-210-940 is designed to support high capacity, handling numerous channels simultaneously without compromising performance. This capability is particularly beneficial in environments with heavy data traffic, such as urban centers or large corporate hubs.

In conclusion, Lucent Technologies' 585-210-940 serves as a robust solution for telecommunications, encapsulating many of the core innovations of the late 20th century. With its support for multiple protocols, scalability, fault tolerance, and advanced management capabilities, it stands out as an essential component for any modern communication network, reflecting Lucent's legacy in the industry.

CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems

Boot problems

Primary boot device is not available

ok> setenv boot-device bootdevice2

585-210-940 specifications