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Active IQ Unified Manager 9.7
9.7
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Select Source Snapshot Copy dialog box

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You use the Select Source Snapshot Copy dialog box to select a specific Snapshot copy to transfer data between protection relationships, or you select the default behavior, which varies depending on whether you are initializing, updating, or resynchronizing a relationship, and whether the relationship is a SnapMirror or SnapVault.

Default

Enables you to select the default behavior for determining which Snapshot copy is used for initialize, update, and resynchronize transfers for SnapVault and SnapMirror relationships.

If you are performing a SnapVault transfer, the default behavior for each operation is as follows:

Operation Default SnapVault behavior when source is read/write Default SnapVault behavior when source is Data Protection (DP)

Initialize

Creates a new Snapshot copy and transfers it.

Transfers the last exported Snapshot copy.

Update

Transfers only labeled Snapshot copies, as specified in the policy.

Transfers the last exported Snapshot copy.

Resynchronize

Transfers all labeled Snapshot copies created after the newest common Snapshot copy.

Transfers the newest labeled Snapshot copy.

If you are performing a SnapMirror transfer, the default behavior for each operation is as follows:

Operation Default SnapMirror behavior Default SnapMirror behavior when relationship is second hop in a SnapMirror to SnapMirror cascade

Initialize

Creates a new Snapshot copy and transfers it and all Snapshot copies created prior to the new Snapshot copy.

Transfers all Snapshot copies from the source.

Update

Creates a new Snapshot copy and transfers it and all Snapshot copies created prior to the new Snapshot copy.

Transfers all Snapshot copies.

Resynchronize

Creates a new Snapshot copy and then transfers all Snapshot copies from the source.

Transfers all Snapshot copies from the secondary volume to the tertiary volume, and deletes any data added after creation of the newest common Snapshot copy.

Existing Snapshot Copy

Enables you to select an existing Snapshot copy from the list if Snapshot copy selection is allowed for that operation.

  • Snapshot Copy

    Displays the existing Snapshot copies from which you can select for a transfer.

  • Date Created

    Displays the date and time the Snapshot copy was created. Snapshot copies are listed from most recent to least recent, with the most recent at the top of the list.

If you are performing a SnapVault transfer and you want to select an existing Snapshot copy to transfer from a source to a destination, the behavior for each operation is as follows:

Operation SnapVault behavior when specifying a Snapshot copy SnapVault behavior when specifying a Snapshot copy in a cascade

Initialize

Transfers the specified Snapshot copy.

Source Snapshot copy selection is not supported for data protection volumes.

Update

Transfers the specified Snapshot copy.

Source Snapshot copy selection is not supported for data protection volumes.

Resynchronize

Transfers the selected Snapshot copy.

Source Snapshot copy selection is not supported for data protection volumes.

If you are performing a SnapMirror transfer and you want to select an existing Snapshot copy to transfer from a source to a destination, the behavior for each operation is as follows:

Operation SnapMirror behavior when specifying a Snapshot copy SnapMirror behavior when specifying a Snapshot copy in a cascade

Initialize

Transfers all Snapshot copies on the source, up to the specified Snapshot copy.

Source Snapshot copy selection is not supported for data protection volumes.

Update

Transfers all Snapshot copies on the source, up to the specified Snapshot copy.

Source Snapshot copy selection is not supported for data protection volumes.

Resynchronize

Transfers all Snapshot copies from the source, up to the selected Snapshot copy, and then deletes any data added after creation of the newest common Snapshot copy.

Source Snapshot copy selection is not supported for data protection volumes.

Command buttons

The command buttons enable you to perform the following tasks:

  • Submit

    Submits your selections and closes the Select Source Snapshot Copy dialog box.

  • Cancel

    Discards your selections and closes the Select Source Snapshot Copy dialog box.