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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 a medium</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.
<p>
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=1.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=1.html">Create error correction file from a CD/DVD/BD medium</a></td>
<td><a href="howtos23_way=2&expand=1.html"><img src="../images/good-image.png" alt="Icon: Complete image" class="noborder"></a></td>
<td><a href="howtos23_way=2&expand=1.html">Create error correction file from an ISO image</a></td>
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<hr><p>
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<td class="w200x" align="center"><img src="../images/slot-in.png" alt="Icon: Insert the medium into a drive">
<br><img src="../images/down-arrow.png" alt="Icon: Arrow down"></td>
<td> </td>
<td class="valignt"><b>Insert the medium you want to read into a drive</b>
which is directly connected to your computer.
You can not use network drives, software drives and drives inside virtual machines.
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<td class="w200x" align="center"><img src="../images/winbrowser.png" alt="Icon: Close any windows opened by the Autoplay function">
<br><img src="../images/down-arrow.png" alt="Icon: Arrow down"></td>
<td> </td>
<td class="valignt"><b>Close any windows</b> which may be opened by your operating system
for viewing or performing the medium contents.
Wait until the drive has recognized the medium and the medium has spun down.
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<td class="w200x" align="center"><a href="howtosa1.html">
<img src="../images/select-drive.png" alt="dvdisaster UI: Drive selection (dropdown menu)" 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 drive containing the medium</b>
in dvdisasters drop down menu.
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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 a directory and file name</b>
for storing the ISO image.</td>
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<a href="howtosa4.html">
<img src="images/read-icon.png" alt="dvdisaster UI: Read (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 ISO image</b> from the medium by clicking
the "Read" button.</td>
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<b>Watch the reading progress.</b>
Wait until the medium has been completely read. If the medium turns out
to contain defective sectors it will not be possible to create error correction data.
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<a href="howtos23_way=1&expand=0.html#snap1">
<img src="images/watch-read1.png" alt="" class="noborder">
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<tr><td align="center">Screen shot: Reading the image.</td></tr>
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<img src="../images/down-arrow.png" alt="" class="noborder">
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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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<td class="w200x" align="center">
<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="snap2"></a>
<a href="howtos23_way=1&expand=2.html#snap2"> <img src="thumbnails/watch-create.png" alt="" class="noborder">
<br><img src="../images/down-fork-arrow.png" alt="" class="noborder">
</a>
</td><td> </td>
<td class="valignt">
<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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<td class="w200x"align="center">
<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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<span class="fs">
<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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