[iyonix-support] Re: New Power supply

  • From: "David J. Ruck" <druck@xxxxxxxxxxxx>
  • To: iyonix-support@xxxxxxxxxxxxx
  • Date: Sun, 10 Jun 2007 15:02:29 +0100

On 10 Jun 2007 John <mail@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> DisckKnight then said "Disc is bad, 2 faults found" on the new drive, so I
> repaired it.

Be extremely cautious with DiscKnight if you are getting disc errors.
Contact me before performing a repair (as it says in the guide).

The issue is DiscKnight is designed to work around a permanent disc 
error to allow recovery of data in the case where there is a genuine 
bad sector. However if the error is bogus one and the sector contents 
are still valid (in the case of disc error 26), junk will be read, 
altered to make sense by DiscKnight - but with the possible loss of 
data. It will then attemp to write the sector back, which is likely to 
fail with another disc error, but if it suceeds the good data will 
have been overwrittem.

Cheers
---Dave

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