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<span class="fxxl"><b>dvdisaster</b></span>
<i>Version 0.72.4 / 0.72 (pl4)</i>
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<span class="fxxl"> </span><a href="http://dvdisaster.net/en/">To the Internet version</a>
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<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtos60.html">The big picture</a></span></td></tr>
<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtos10.html">Scanning media for errors</a></span></td></tr>
<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtos20.html">Putting error correction data on a separate file</a></span></td></tr>
<tr><td></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs"><a href="howtos21.html">Decision help</a></span></td></tr>
<tr><td></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs"><a href="howtos22.html">Basic settings for reading</a></span></td></tr>
<tr><td></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs">Creating the error correction file</span></td></tr>
<tr><td></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs"><a href="howtos24.html">Archiving error correction files</a></span></td></tr>
<tr><td></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs"><a href="howtos25.html">Advanced settings</a></span></td></tr>
<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtos30.html">Putting error correction data on the medium</a></span></td></tr>
<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtos40.html">Recovering media images</a></span></td></tr>
<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtos50.html">Getting information about images and error correction data</a></span></td></tr>
<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtos90.html">Testing image compatibility</a></span></td></tr>
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<tr><td><span class="fl"><b>Creating error correction files</b></span></td>
<td rowspan="2" align="right"><img src="images/create-icon.png" alt=""></td></tr>
<tr><td><i>from an ISO image</i></td></tr>
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Please make sure that dvdisaster has been configured as described in the
<a href="howtos22.html">basic settings</a> section as some selections might
create sub optimal error correction data.
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The next steps depend on the source for the error correction data. Select between
these two ways:<p>
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<td><a href="howtos23_way=1&expand=0.html"><img src="../images/good-cd.png" alt="Icon: Good medium (without read errors)" class="noborder"></a></td>
<td><a href="howtos23_way=1&expand=0.html">Create error correction file from a CD/DVD/BD medium</a></td>
<td><a href="howtos23_way=2&expand=0.html"><img src="../images/good-image.png" alt="Icon: Complete image" class="noborder"></a></td>
<td><a href="howtos23_way=2&expand=0.html">Create error correction file from an ISO image</a></td>
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<a href="howtosa2.html">
<img src="../images/select-image.png" alt="dvdisaster UI: Image file selection (input field and button)" class="noborder">
<br><img src="../images/down-arrow.png" alt="Icon: Arrow down" class="noborder"></a></td>
<td> </td>
<td class="valignt"><b>Select the directory and name of the ISO image</b>
for which you want to create the error correction data.
(It is assumed that the ISO image has been created by some other means,
e.g. by using your CD/DVD/BD authoring software.)</td>
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<a href="howtosa3.html">
<img src="../images/select-ecc.png" alt="dvdisaster UI: Error correction file selection (input field and button)" class="noborder">
<br><img src="../images/down-arrow.png" alt="Icon: Arrow down" class="noborder"></a></td>
<td> </td>
<td class="valignt"><b>Select a directory and name</b>
for storing the error correction file.</td>
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<a href="howtosa4.html">
<img src="images/create-icon.png" alt="dvdisaster UI: Create (button)" class="noborder">
<br><img src="../images/down-arrow.png" alt="Icon: Arrow down" class="noborder"></a></td>
<td> </td>
<td class="valignt"><b>Create the error correction file</b>
by clicking the "Create" button.</td>
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<a name="snap1"></a>
<a href="howtos23_way=2&expand=1.html#snap1"> <img src="thumbnails/watch-create.png" alt="" class="noborder">
<br><img src="../images/down-fork-arrow.png" alt="" class="noborder">
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<b>Wait until the creation process finishes.</b>
This may take a while depending on the image size and the selected redundancy.
For example creating an error correction file using the "normal" redundancy setting
will take about 5 minutes for a 4GB sized DVD image and using standard hardware.
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<img src="../images/old-image.png" alt="Icon: Old image file" class="nobordervalignm">
<img src="../images/ecc.png" alt="Icon: Separate file with error correction data" class="nobordervalignm"></td>
<td> </td>
<td class="valignt"><b>Wrapping up.</b> You can delete the image file now. However you
must keep the error correction file and, even more important, protect it from being
damaged. Refer to the next page for some suggestions about
<a href="howtos24.html">error correction file archival</a>.
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<p>
<a href="howtos24.html">Error correction file archival...</a>
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<i> Copyright 2004-2012 Carsten Gnörlich.<br>
Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.
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