The first screen of the Create FlashCopy Logical Drive Wizard allows you to select either the simple or advanced path to be followed through the Wizard.
The simple path (which is recommended) allows you to specify basic FlashCopy logical drive
Select this option to specify basic FlashCopy parameters and accept the common default settings, then press Next when ready to move to the next Wizard screen.
Basic FlashCopy parameters include:
FlashCopy Logical Drive Name |
Specify a name that helps you associate the FlashCopy logical drive to its corresponding repository and base logical drive. |
FlashCopy Repository Logical Drive Name |
Specify a name that helps you associate the FlashCopy repository logical drive its corresponding FlashCopy and base logical drive. |
FlashCopy Repository Logical Drive Capacity |
Specify the FlashCopy repository logical drive's capacity as a percentage of the base logical drive |
The following FlashCopy parameters are automatically set to these common defaults:
Capacity allocation |
The FlashCopy repository logical drive will be created using free capacity |
Logical Drive-to-LUN mapping |
The FlashCopy is given an automatic logical drive-to-LUN mapping, if Storage Partitioning is not enabled. If this feature is enabled, the default setting is Map Later with Storage Partitioning. |
Percent full |
When the FlashCopy repository logical drive reaches the specified threshold level |
FlashCopy repository logical drive full conditions |
If the FlashCopy repository logical drive becomes full, the FlashCopy logical drive will fail. |
Select this option to set the basic FlashCopy parameters and four advanced FlashCopy parameters, then press Next when ready to move to the next Wizard screen.
Advanced FlashCopy parameters you will set include:
Capacity allocation |
You are given a choice of where to physically place the FlashCopy repository logical drive. (You can use free capacity on the same array where the base logical drive resides, use free capacity on another array, or use unconfigured capacity Note: It is better if the FlashCopy repository logical drive resides within the array where the base logical drive resides. This ensures that if drives associated with the array are moved to another storage subsystem, all logical drives associated with the FlashCopy logical drive reside on that group, and no further drives need to be moved. |
Logical Drive-to-LUN mapping |
You are given a choice whether to give the FlashCopy an automatic logical drive-to-LUN mapping, or map the FlashCopy logical drive later using Storage Partitioning. Note: If Storage Partitioning is not enabled, the default setting is Automatic. If this feature is enabled, the default setting is Map Later with Storage Partitioning. |
Percent full |
When the FlashCopy repository logical drive reaches the specified threshold percentage, it will log the event and the icon will change in the Physical/Logical View. The default threshold percentage is set to 50% of the base logical drive. |
FlashCopy repository logical drive full conditions |
You are given a choice of failing writes to the base logical drive, or failing the FlashCopy logical drive when the FlashCopy repository logical drive becomes full. |
Creating a FlashCopy Logical Drive Using the FlashCopy Logical Drive Wizard