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Tape READERR and PARITY errors?

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The Question is:

Can you please explain what is the meaning of the following messages when a
 tape is being restored to a disk using the following command?
$ backup/log/image/rew/ign=lab mkb600:auc1sys.sav/sav $1$dka200:
Error messages occurs nearing the end of the backup process:
excessive data rate reading mkb600:auc1sys.sav;
System-F-parity, Parity error
What should be done to solve this?

The Answer is :

  The error messages should be self-explanatory, there were too
  many read errors, and specifically too many parity errors, and
  attempts to read the saveset are unsuccessful.  Assuming that
  use of the cleaning cartridge -- if applicable to the particular
  and unspecified tape drive involved here -- has been attempted,
  and assuming that this problem is reproducable when new and
  known-good storage media is utilized, please contact your hardware
  service organization.  This could be the tape drive or the media,
  or a problem with other hardware (I/O adapter, SCSI length, SCSI
  termination, host CPU, etc) relevent to the I/O activity.

answer written or last revised on ( 21-MAY-2001 )

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