Snapshot Configuration Properties of the Dell EMC VNX / Celerra Storage Array

The Snap Configuration tab contains properties that control the behavior of the storage array in your environment.

If you don't select the Auto Update Array Host Aliases check box, then you must manually enter any aliases for the array in the Array Host Aliases list. If you specify a list of aliases in the Array Host Aliases property to manually control the names for the array, then clear the Auto Update Array Host Aliases check box. Aliases are important for recognizing an array during snapshot backup jobs. An array can have multiple hostnames, IP addresses, or user configured names, which might be accessible by the client that initiates the snapshot creation.

Property	Description
Auto Update Array Host Aliases	If you select this option, then aliases can be added by the snapshot engine during a backup job, or while adding the array. By default, this property is selected.
Array Host Aliases	The list of aliases that can be accessed by the array. If you manually enter aliases by creating this list, then clear the Auto Update Array Host Aliases check box. The list is useful when array aliases cannot be detected automatically, or when duplicate assets might be detected between arrays that are shared by the same array access node.

Property

Description

Auto Update Array Host Aliases

If you select this option, then aliases can be added by the snapshot engine during a backup job, or while adding the array.

By default, this property is selected.

Array Host Aliases

The list of aliases that can be accessed by the array. If you manually enter aliases by creating this list, then clear the Auto Update Array Host Aliases check box.

The list is useful when array aliases cannot be detected automatically, or when duplicate assets might be detected between arrays that are shared by the same array access node.