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SG0-001 · Question #177

An administrator has just replaced a single-port HBA and needs to complete zoning changes to replace the current alias. The administrator creates the new alias, adds it to the existing zone, and then

The correct answer is D. Remove the original alias from the zone before deleting it.. The error occurred because the administrator deleted the alias object before removing its reference from the existing zone, causing the configuration commit to fail.

Storage Management

Question

An administrator has just replaced a single-port HBA and needs to complete zoning changes to replace the current alias. The administrator creates the new alias, adds it to the existing zone, and then deletes the old alias. When applying the new configuration, an error states that the original alias is not found and the configuration cannot be applied. Which of the following steps did the administrator miss?

Options

  • ACreate a new zone with the new alias and add it to the existing configuration
  • BRemove the original zone and recreate it with the new alias.
  • CRename the original alias before deleting it.
  • DRemove the original alias from the zone before deleting it.

How the community answered

(37 responses)
  • A
    16% (6)
  • B
    3% (1)
  • C
    5% (2)
  • D
    76% (28)

Why each option

The error occurred because the administrator deleted the alias object before removing its reference from the existing zone, causing the configuration commit to fail.

ACreate a new zone with the new alias and add it to the existing configuration

Creating a new zone is not necessary to resolve an issue where an existing alias reference is invalid.

BRemove the original zone and recreate it with the new alias.

Removing and recreating an entire zone is an overly drastic and unnecessary measure for correcting an alias-related issue.

CRename the original alias before deleting it.

Renaming an alias does not address the fundamental problem of an alias being deleted while still actively referenced within a zone.

DRemove the original alias from the zone before deleting it.Correct

Before an alias can be safely deleted, it must first be removed as a member from all zones it is associated with. If an alias is deleted while still being referenced by an active zone, the system will report an error during configuration activation because the zone's member list becomes invalid.

Concept tested: Fibre Channel (FC) zoning alias management best practices

Source: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/6_2/configuration/guide/fm_6_2_config/zoning.html#wp1013446

Topics

#SAN zoning#HBA replacement#Alias management#Configuration management

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