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disk fatal drive and file structure allocation err

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The Question is:

 
Dear Wizard,
 
I was busy with a stand-alone backup to one of my disks when the power
failed.
 
I have a VAX 4000/96 and the disk giving the problem is a Seagate ST32171N
(RZ28L-A)
 
I tried the backup after the power failure again and the following message
appear:- "FILE STRUCTURE ALLOCATION FAILURE". The backup command used =
backup/verify/image/rewind mka500: dka300:
 
I can boot using the other disk, but get the following error when trying to
mount the problem disk:- "FATAL DRIVE ERROR"
 
What is the problem with the disk? Will it be possible to fix the problem?
 
Many Thanks
 
Edwin

The Answer is :

 
  Bootstrap OpenVMS off a recent distribution CD-ROM (root SYS1 on OpenVMS
  VAX V7.2) or off an alternate OpenVMS root, and try to INITIALIZE this
  disk, or use the BACKUP/INITIALIZE qualifer.  (Depending on exactly what
  happened to the disk, you may end up needing to reformat or replace the
  disk -- the incidence of hardware failures resulting from power failures
  is not unknown.)

  
     
     answer written or last revised on ( 19-APR-1999 )
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