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Recovering the medium image
To recover a defective medium you must first try to
read as much data as possible from it.
Then you need the appropriate error correction data
which you have hopefully generated at a time when the medium was still fully readable.
| 1. |
Select the image file.
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The  symbol opens the file chooser. |
| 2. |
If you are using error correction files, select
the respective error correction file.
Leave this entry blank when working
with augmented images.
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The  symbol opens the file chooser. |
| 3. |
Click on the "Fix" button. |
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| 4. |
Watch the recovery progress.
It is normal to experience phases of high hard drive
activity during image reconstruction |
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When the image has been successfully recovered, transfer it to a new medium
using a CD/DVD writing software.
Recovering the image using the command line
Recovering requires the following parameters (defaults are given in parenthesis):
No error correction file needs to be specified when augmented images are used.
user@linux> dvdisaster -f -i image.iso -e corrdata.ecc
dvdisaster-0.70 Copyright 2004-2007 Carsten Gnoerlich.
[... remainder of the GPL announcement ...]
Opening image.iso: 2224288 medium sectors.
Fix mode: Repairable sectors will be fixed in the image.
5 repaired sectors: 708225 59850 69825 79800 199500
6 repaired sectors: 708226 59851 69826 79801 89776 199501
[... more reports on repaired sectors ...]
5 repaired sectors: 708224 59849 69824 79799 199499
Ecc progress: 100.0%
Repaired sectors: 33264
Good! All sectors are repaired.
Erasure counts per ecc block: avg = 3.3; worst = 7.
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