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The Configuration wizard opens with the Create Arrays window. Add the
physical drives to the array; then, review and apply your new configuration.
If you click Change RAID level from RAID 5 to RAID 0, the Configuration
wizard automatically removes the physical drives and opens the Configuration
Summary window. Review and apply the new configuration.
If you click Change RAID level from RAID 5E to RAID 5, the Configuration
wizard does not add or remove a physical drive. Instead, the wizard changes
the spare space to become free space. Use this free space to create a new logical
drive.
More information
v Things to consider when changing RAID levels
v Understanding scheduled tasks
Increasing free space:
Note: This action is not supported on the integrated RAID controller.
Using this action you can add one, two, or three physical drives to an existing
array so that you can create another logical drive in the array.
When you create an array, logical drives are striped across all physical drives in
that array. To create more free space in an existing array, define additional physical
drives to add to the array. Then, the ServeRAID Manager migrates the logical
drives such that the data is spread across the existing and new physical drives.
Note:
1. To increase free space in an array, you need at least one ready drive that
is at least as big as the largest drive in the array.
2. You can schedule the logical-drive migration for a later date and time
when you review the configuration changes.
3. (Cluster and failover configurations only) A logical drive will not failover
while undergoing logical-drive migration.
1.
In the Logical devices view, click
(array).
2. Right-click Logical-drive migration → Increase free space. The Configuration
wizard opens with the Create Arrays window.
3. Add the physical drives to the array. When complete, click Next. The
Configuration Summary window opens.
4. Review and apply your new configuration.
5. After the logical-drive migration is complete, create a new logical drive in the
new free space.
More information
v Example: Increasing free space
v Understanding logical-drive migration
v Understanding scheduled tasks
Increasing logical-drive size:
Note: This action is not supported on the integrated RAID controller.
Using this action you can add one, two, or three physical drives to an existing
array so you can expand the size of the logical drives in the array. When increasing
Chapter 4. Managing ServeRAID devices 179