Auto rebuilding, Pdm auto start – Promise Technology VTrak 15110 User Manual
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Chapter 5: Management with the CLU
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11
ST380013AS
80 GB
12
WDC WD1200JD-00FYB0
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
Name
Capacity
 ------------------------------------------------------------
 *9
WDC WD1200JD-00FYB0
120 GB
11
ST380013AS
80 GB
12
WDC WD1200JD-00FYB0
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 user-specified limits, PDM will migrate the data from the 
suspect disk drive to a replacement. 
