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Chapter 6: Technology Background
187
Automatic Transition
At this juncture, you would replace the failed drive in channel 2 with a new drive
of the same or greater capacity.
When the SuperTrak controller detects the new drive in channel 2, it will:
• Transition the data from the drive in channel 4 to the drive in channel 2.
• Return the drive in channel 4 to spare status.
When the Transition is finished:
• The physical drives in channels 1 and 2 belong to the disk array.
• The physical drive in channel 3 is still unconfigured.
• The physical drive in channel 4 is a revertible spare drive.
The original configuration is restored.
Manual Transition
Manual transition requires an unassigned physical drive.
The example below is the same two-drive RAID 1 disk array as before.
• The physical drives in channels 1 and 2 belong to the disk array.
• The physical drive in channel 3 is unconfigured.
• The physical drive in channel 4 is a revertible spare drive.