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add volume

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Adds volumes to the Shadow Copy Set, which is the set of volumes to be shadow copied. When a shadow copy is created, an environment variable links the alias to the shadow ID, so the alias can then be used for scripting.

Volumes are added one at a time. Each time a volume is added, it's checked to make sure VSS supports shadow copy creation for that volume. This check can be invalidated by later use of the set context command.

This command is necessary to create shadow copies. If used without parameters, add volume displays help at the command prompt.

Syntax

add volume <volume> [provider <providerid>]

Parameters

Parameter Description
<volume> Specifies a volume to add to the Shadow Copy Set. At least one volume is required for shadow copy creation.
[provider \<providerid>] Specifies the Provider ID for a registered provider to use to create the shadow copy. If provider is not specified, the default provider is used.

Examples

To view the current list of registered providers, at the diskshadow> prompt, type:

list providers

The following output displays a single provider, which will be used by default:

* ProviderID: {b5946137-7b9f-4925-af80-51abd60b20d5}
        Type: [1] VSS_PROV_SYSTEM
        Name: Microsoft Software Shadow Copy provider 1.0
        Version: 1.0.0.7
        CLSID: {65ee1dba-8ff4-4a58-ac1c-3470ee2f376a}
1 provider registered.

To add drive C: to the Shadow Copy Set and assign an alias named System1, type:

add volume c: alias System1