Specifications

DS300f G2 Series User Manual
136
runnInG PDm on a DISk array (clu)
Predictive Data Migration (PDM) migrates data from the suspect physical drive to a spare drive before the
physical drive fails.
Before you can run PDM, you must have a replacement or target physical drive of adequate capacity for your
disk array.
To run PDM on a disk array:
1. From the Main Menu, highlight Disk Array Management and press Enter.
2. Highlight the disk array you want and press Enter.
3. Highlight Background Activities and press Enter.
4. Highlight Predictive Data Migration and press Enter.
Default source and target drives are shown with possible alternative choices.
5. To choose different drive, highlight the drive, press the backspace key to remove the current number, then
type a new number.
6. Highlight Start and press Enter.
See "Enabling Media Patrol, PDM, and Power Management on a Disk Array (CLU)" on page 135.
For PDM rate, see "Making Background Activity Settings (CLU)" on page 154.
runnInG tranSItIon on a DISk array (clu)
Transition is the process of replacing a revertible spare drive that is currently part of a disk array with an
unconguredphysicaldriveoranon-revertiblesparedrive.Formoreinformation,see“Transition”onpage193.
In order to run Transition:
• The spare drive must be Revertible.
• Youmusthaveanunconguredphysicaldriveofthesameorlargercapacitytoreplacethesparedrive.
To run Transition on a disk array:
1. From the Main Menu, highlight Disk Array Management and press Enter.
2. Highlight the disk array you want and press Enter.
3. Highlight Background Activities and press Enter.
4. Highlight Transition and press Enter.
Default source and target drives are shown with possible alternative choices.
5. To choose different drive, highlight the drive, press the backspace key to remove the current number, then
type a new number.
6. Highlight Start and press Enter.
For transition rate, see "Making Background Activity Settings (CLU)" on page 154.
locatInG a DISk array (clu)
This feature helps you identify the physical drives assigned to the disk array you are working with in the CLU.
To locate a disk array:
1. From the Main Menu, highlight Disk Array Management and press Enter.
2. Highlight the disk array you want and press Enter.
3. Highlight Locate Disk Array and press Enter.
ThedrivecarrierstatusLEDsashforoneminute.