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System Administration Guide, Volume 1

How to Repair a Defective Sector

  1. Become superuser.

  2. Enter the format utility and select the disk that contains the defective sector.


    # format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
  0. c0t2d0 <SUN1.05 cyl 2036 alt 2 hd 14 sec 72>
     /iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@2,0
  1. c0t3d0 <SUN1.05 cyl 2036 alt 2 hd 14 sec 72>
     /iommu@f,e0000000/sbus@f,e0001000/espdma@f,400000/esp@f,800000/sd@3,0
Specify disk (enter its number): 1
selecting c0t3d0
[disk formatted]
format>

  3. Enter the repair command at the format> prompt.


    format> repair

  4. Enter the defective block number.


    Enter absolute block number of defect: 12354
   Ready to repair defect, continue? y
   Repairing block 12354 (18/4/18)...ok.
format>

    If you are unsure of the format used to identify the defective sector, see "How to Identify a Defective Sector by Using Surface Analysis" for more information.