Create FlashCopy Logical Drive Wizard: Specify Array Parameters

Related Topics

This screen allows you to specify a new array where the FlashCopy repository logical drive will reside, and to specify the RAID level of the array that will meet FlashCopy repository logical drive data storage and protection requirements.

Procedure

1

Specify the RAID level that meets your FlashCopy repository logical drive data storage and protection requirements.

RAID level choices include RAID 0 , RAID 1 , RAID 3 , and RAID 5 . The RAID level should be set to the same RAID level as the base logical drive.

2

Select a method for defining which available drives to use in the array and perform the appropriate action as described in the following table. (By default, the Automatic method is selected.)

Method

Description and Action

Automatic

Lets you select from a list of array capacity choices selected by the software. A table displays array capacities and how many drives comprise the array.

Note: Your choice of RAID level affects the capacities of the listed arrays.

Action

Select one array and then select Next to continue the FlashCopy creation process.

Manual

Lets you select which specific drives comprise the array. A table displays drive location information and individual drive capacities. Note: Your choice of RAID level affects the resulting capacity of the array.

Important:

  • This option should only be used by experts who understand drive redundancy and optimal drive configurations.
  • There are limits to how much drive space capacity you can have in a single array. These limits vary according to your host operating system. Consult the Product Release Notes for specific limits.

Action

a

Select a drive or press CTRL + click to select multiple drives to include in the array; then select Apply.

Result: The area next to the Apply button displays the corresponding array capacity.

Important: RAID level 1 requires an even number of drives, and RAID level 3 and level 5 require at least three drives. If you do not select the appropriate number of drives for the chosen RAID level, an error message is displayed. Change your drive selections and select Apply again.

b

Select Next to continue the FlashCopy creation process.

Related Topics

Creating a FlashCopy Logical Drive Using the FlashCopy Logical Drive Wizard

Managing Logical Drives