CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems

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Chapter 3: Maintaining Mirrored Systems

 

Using the alternate boot device

39

Maintaining the chkDisks crontab

40

Activating chkDisks

40

Verifying chkDisks

40

Changing the scheduled run time

40

Canceling chkDisks

40

Doing a CMSADM backup on a mirrored system

41

Step 1: Print the vfstab file

41

Step 2: Run the backup

41

Step 3: Label and store the tapes

42

Restoring from a CMSADM Backup

43

Repairing or rebuilding the /cms file system

45

Repairing /cms

45

Rebuilding /cms

46

Restoring a mirrored system from a CMSADM backup

49

Step 1: Power off the system

49

Step 2: Install the new drives

49

Step 3: Boot the system from the compact disk

50

Step 4: Identify the system

51

Step 5: Set the Name Service options

52

Step 6: Set the date and time

53

Step 7: Select the operating system files to be installed

54

Step 8: Select the hard disks

55

Step 9: Set up the disk partitions

55

Step 10: Install the operating system

57

Step 11: Complete the OS installation

58

Step 12: Alter the tape configuration file (Enterprise 3500 only)

58

Step 13: Restore the backup

59

Step 14: Reestablish the disk mirrors

59

Restoring specific files from a CMSADM backup

62

Adding new disks to a standard mirrored system

63

Adding new disks to a nonstandard mirrored system

66

Replacing a faulty disk

69

Step 1: Identify the faulty disk

69

Step 2: Identify the submirrors

70

Step 3: Detach the submirrors

71

Step 4: Remove state database replicas (boot disks only)

72

Step 5: Replace the faulty disk drive

72

Step 6: Recreate the state database replicas

73

Step 7: Reattach the submirrors

74

Step 8: Reboot the system (boot disks only)

74

State Database Replicas

75

Setting up replicas

75

Replacing replicas

75

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Lucent Technologies 585-210-940 manual CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
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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.
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