Learn About Disabling and Re-creating a FlashCopy Logical Drive

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Disabling a FlashCopy Logical Drive

If you no longer need a FlashCopy logical drive , you may want to disable it because, as long as a FlashCopy logical drive is enabled, your storage subsystem performance is impacted by the copy-on-write activity to the associated FlashCopy repository logical drive . When you disable a FlashCopy logical drive, the copy-on-write activity stops.

If you disable the FlashCopy logical drive instead of deleting it, you can retain it and its associated repository. Then, when you need to create a different FlashCopy of the same base logical drive, you can use the re-create option to reuse a disabled FlashCopy. This takes less time than creating a new one.

When you disable a FlashCopy logical drive:

If you do not intend to re-create a FlashCopy, you can delete that FlashCopy logical drive instead of disabling it.

Re-creating a FlashCopy Logical Drive

Re-creating a FlashCopy logical drive takes less time than creating a new one.

If you have a FlashCopy logical drive that you no longer need, instead of deleting it, you can reuse it (and its associated FlashCopy repository logical drive) to create a different FlashCopy logical drive of the same base logical drive.

When you re-create a FlashCopy logical drive:

Related Topics

Disabling a FlashCopy Logical Drive

Re-creating a FlashCopy Logical Drive

Introduction to FlashCopy Logical Drives

Creating a FlashCopy Logical Drive Using the FlashCopy Wizard