
Chapter 5: Management with the CLU
| 11 | ST380013AS | 80 GB | 
| 12 | WDC  | 120 GB | 
Enter Physical Drive ID to select.
Press R to continue after you have finished selecting Physical Drive.
Your input?>9
3.If you change to a Dedicated hot spare drive, type the ID number of one available physical drive and press Enter.
*********Physical Drives Selection*********
ID NameCapacity
| *9 | WDC  | 120 GB | 
| 11 | ST380013AS | 80 GB | 
| 12 | WDC  | 120 GB | 
Enter Physical Drive ID to select.
Press R to continue after you have finished selecting Physical Drive.
Your input?>r
4.Press R and Enter to confirm the hot spare drive policy change. The Screen returns to the Disk Array Properties menu.
Note: Be sure Auto Rebuilding is enabled (below).
Auto Rebuilding
Use this feature to enable the automatic rebuilding of a disk array that has gone critical. This function must be enabled in order for a hot spare drive to work. See Hot Spare Policy, above. To rebuild a disk array manually, see .
1.Press 9 and Enter to access the Auto Rebuilding Option.
Enable auto rebuilding for Disk Array 1(y/n)?>y
2.Press Y and Enter to enable Auto Rebuilding. Press N and Enter to leave the setting unchanged.
The Screen returns to the Disk Array Properties menu.
PDM Auto Start
PDM (Predictive Data Migration) is a maintenance operation. VTrak checks the bad block remapping table and keeps a count of disk drive errors. When these reach the 
169
