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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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<span class="fs"><b>Contents</b></span>
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<tr><td colspan=3><span class="fs"><a href="news.html">News</a></span></td></tr>
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<tr><td colspan=3><span class="fs"><a href="index.html">Overview</a></span></td></tr>
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<tr><td colspan=3><span class="fs"><a href="howtos.html">Howtos</a></span></td></tr>
<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 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></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs"><a href="howtos31.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="howtos32.html">Basic settings</a></span></td></tr>
<tr><td></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs">Creating the medium</span></td></tr>
<tr><td></td><td style="vertical-align:top; font-size:small;">-</td><td><span class="fs"><a href="howtos34.html">Advanced settings</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>
<tr><td style="width:1%; vertical-align:top;">·</td><td colspan=2><span class="fs"><a href="howtosa0.html">Dialogs and buttons</a></span></td></tr>
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<tr><td><span class="fl"><b>Augmenting images with error correction data</b></span></td>
<td rowspan="2" align="right"><img src="images/create-icon.png" alt=""></td></tr>
<tr><td><i>Walkthrough</i></td></tr>
</table><p>
dvdisaster is specialized in working with error correction data and reading
of defective media. Creating ISO or UDF images and writing them to a medium
is a totally different business, and also bears high complexity.
We do not want to re-invent medium writing in dvdisaster. Instead we
continue using the CD/DVD/BD writing software which you have got when
purchasing your drive.<p>
<pre> </pre>
<a name="a"></a>
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<td class="w200x" align="center">
<a href="howtos33_way=0.html">
<img src="thumbnails/make-iso1.png" alt="Icon: Creating an image file" class="noborder">
<br><img src="../images/down-arrow.png" alt="Icon: Arrow down" class="noborder"></a></td>
<td> </td>
<td class="valignt"><b>First create an ISO image</b> using your CD/DVD/BD
writing software. Select the files you want to write to medium,
but do not start the writing process yet. Instead, create an ISO
image on your hard disk. Click on the image to the left to see a
<a href="howtos33_way=0.html">
detailed walk-thorugh</a>.
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<hr>
<b>Detailed example: Creating an ISO image on hard disk</b>.
Since there are many different media writing programs available we
are demonstrating the required steps by using
the popular GNU/Linux software <i>K3b</i> as an example.
If you are using a different software you should be able to figure
out the required actions from the descriptions below.
<p>
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<b>Begin a new project.</b>
First open your media writing application. Many programs expect you to
start a new project. Within the project you will then make
the selections for the new medium. <p>
Using K3b: <i>Begin a new project by clicking into the highlighted field
("New Data CD project") in the main window.</i>
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<tr><td><span class="fs">Start new project</span></td></tr>
<tr><td><a href="howtos33_way=1&expand=1.html#snap1"><img src="thumbnails/make-iso1.png" alt="" class="noborder"></a></td></tr>
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<td class="valignt">
<b>Select the files to be written on the medium.</b>
Typically there is a file selection dialog from which you can select files
or drag them into the project.<p>
Using K3b: <i>Choose the required files in the upper half of the window.
In the example the files <i>backup.tar.gz</i>,
<i>win.zip</i> and <i>work.tar.gz</i> have been selected for writing onto CD.
The currently selected files are shown in the lower window half.</i><p>
<b>Important:</b> Do not completely fill the medium. Make sure to keep
at least 20% of the medium space for the error correction data.<p>
Using K3b: <i> The currently used medium space is shown in the green bar
at the bottom of the window (558,9 MB).</i>
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<tr><td><span class="fs">File selection</span></td></tr>
<tr><td><a href="howtos33_way=1&expand=2.html#snap2"><img src="thumbnails/make-iso2.png" alt="" class="noborder"></a></td></tr>
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<b>Configuring the writing software.</b> The software will let you
choose the writing target before the actual writing process is invoked.
Do <b>not</b> select the CD/DVD/BD writing drive here, but configure
the creation of an ISO/UDF image on hard disk as described below.<p>
<b>Hint:</b> Remove all media from the drives before proceeding to make sure
that you do not inadvertently start the writing process.<p>
Using K3b: <i>Open the writing dialog tab by clicking on the "Burn" button
near to the left edge of the window.</i>
</td></tr>
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<a href="howtos33_way=1&.html">
<img src="images/make-iso2.png" alt="" class="noborder">
</a>
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<tr><td align="center">Screen shot: Configuring the writing software</td></tr>
</table><pre> </pre>
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<b>Selecting image writing.</b> Most writing programs will simply let
you click an option for creating the ISO image on hard disk.
If your program seems to be missing this option you might have to select
an "image recorder" instead of the actual CD burner.<p>
Using K3b: <i>Select the "Writing" tab".
Activate the "Only create image" option (marked in green).</i>
</td>
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<a name="snap4"></a>
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<tr><td><span class="fs">Selecting image creation</span></td></tr>
<tr><td><a href="howtos33_way=1&expand=4.html#snap4"><img src="thumbnails/make-iso3.png" alt="" class="noborder"></a></td></tr>
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<td class="valignt">
<b>Select image file and type.</b>
Select the target directory, name and type for the image file.
Use image files of type ".iso" or ".udf" only! Other image formats like
".nrg" are not supported by dvdisaster; processing such image files with
dvdisaster will render them unusable without further notice or error
messages.<p>
Using K3b: <i>Choose the "Image" tab.
Enter the target directory for the file
(the example file "medium.iso" will be put into the sub
directory "/var/tmp/cg"). K3b will always create .iso images so there
are no choices to be made for the image type.</i>
</td>
<td>
<a name="snap5"></a>
<table class="thumbnail" width="160">
<tr><td><span class="fs">Image file selection</span></td></tr>
<tr><td><a href="howtos33_way=1&expand=5.html#snap5"><img src="thumbnails/make-iso4.png" alt="" class="noborder"></a></td></tr>
</table>
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<img src="../images/down-arrow.png" alt="Icon: Arrow down" class="noborder"></td>
<td> </td>
<td class="valignt"></td>
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</table>
<a name="b"></a>
<table>
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<td class="w200x" align="center">
<img src="../images/good-image.png" alt="Icon: Complete image (from an undamaged medium)" class="noborder">
<br><img src="../images/down-arrow.png" alt="Icon: Arrow down" class="noborder"></td>
<td> </td>
<td class="valignt">When you have prepared the image
<b>switch over to dvdisaster</b>. Make sure that it
has been configured as described in
the <a href="howtos32.html">basic settings</a>.
</td>
</tr>
</table>
<table>
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<td class="w200x" align="center">
<a href="howtosa2.html">
<img src="../images/select-image2.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 file name</b>
of the ISO image which you have just created.</td>
</tr>
</table>
<table>
<tr>
<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>Augment the image with error correction data</b> by
clicking on the "Create" button.</td>
</tr>
</table>
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<td class="w200x" align="center">
<a name="snap6"></a>
<a href="howtos33_way=1&expand=6.html#snap6"> <img src="thumbnails/make-ecc1.png" alt="" class="noborder">
<br><img src="../images/down-arrow.png" alt="" class="noborder">
</a>
</td><td> </td>
<td class="valignt">
<b>Please wait while the error correction data is created.</b>
This may take a while depending on the image size and the
available free space on the medium. Processing a DVD image with about
20-30% free space should take about 5-10 minutes on recent hardware.
</td>
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</table><p>
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<td class="w200x" align="center">
<a name="snap7"></a>
<a href="howtos33_way=1&expand=7.html#snap7"> <img src="thumbnails/make-ecc2.png" alt="" class="noborder">
<br><img src="../images/down-arrow.png" alt="" class="noborder">
</a>
</td><td> </td>
<td class="valignt">
<b>Please note:</b> dvdisaster does not create a new image, but will rather
augment the existing one. Look at the image in the file manager before
and after processing it with dvdisaster and note how its size increases.
</td>
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<a name="c"></a>
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<td class="w200x" align="center">
<a href="howtos33_way=3.html">
<img src="thumbnails/write-iso1.png" alt="Icon: Writing image to a medium" class="noborder"></a></td>
<td> </td>
<td class="valignt"><b>Write the augmented ISO image</b> on the medium.
Select the augmented image in your writing software and
start the writing process. Click on the screen shot to the left for
<a href="howtos33_way=3.html">
a detailed example</a>.
</td>
</tr>
</table>
<table>
<tr>
<td class="w200x" align="center">
<img src="../images/down-arrow.png" alt="Icon: Arrow down" class="noborder"></td>
<td> </td>
<td class="valignt"></td>
</tr>
</table>
<table>
<tr>
<td class="w200x" align="center">
<img src="../images/good-cd-ecc.png" alt="Icon: Undamaged medium with error correction data" class="noborder"></td>
<td> </td>
<td class="valignt"><b>Finished!</b> You have now created a CD which is
protected by error correction code.</td>
</tr>
</table>
<pre> </pre>
<b>Related information</b>
<ul>
<li><a href="howtos90.html">Check whether the writing process has affected
the error correction data.</a><p>
It is recommended to perform this test once every time you change to a new
version (or vendor) of your media writing software to make sure that it
interoperates well with dvdisaster.
</li>
</ul>
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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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