Exit Zen
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In the **Enter passphrase to unlock** dialog, enter the passphrase of your Persistent Storage.
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Click **Unlock**.
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In the **Authentication Required** dialog, enter your administration password.
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Choose **[[!img lib/system-run.png alt="Additional partition options" class=symbolic link="no"]] ▸ Create Partition Image**.
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In the **Create Disk Image** dialog:
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In the **Name** field, specify *persistent-storage.img*.
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In the **Save in Folder** menu, choose the external disk to which you want to save the partition image.
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Click the **Start Creating** button.
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<p class="command-template">ddrescue <span class="command-placeholder">/dev/mapper/luks-xyz</span> persistent-storage.img ddrescue.log</p>
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The output of `ddrescue` looks like this:
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GNU ddrescue 1.27
Press Ctrl-C to interrupt
ipos: 749404 kB, non-trimmed: 0 B, current rate: 34996 kB/s
ipos: 1446 MB, non-trimmed: 0 B, current rate: 24772 kB/s
opos: 1446 MB, non-scraped: 0 B, average rate: 33629 kB/s
non-tried: 9290 MB, bad-sector: 0 B, error rate: 0 B/s
rescued: 1446 MB, bad areas: 0, run time: 43s
pct rescued: 13.46%, read errors: 0, remaining time: 1m 31s
time since last successful read: 0s
Copying non-tried blocks... Pass 1 (forwards)
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The section about **bad areas** refers to errors reading the data of your
Persistent Storage, most likely because of hardware failures.
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After `ddrescue` finishes:
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If bad areas were reported, try leaving your USB stick to rest for some minutes and executing the same `ddrescue` command again to copy more data.
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We recommend that you replace your USB stick and [[copy the partition image
to a new USB stick|fsck#copy]] after you execute `ddrescue` several times.
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If no bad areas were reported or if the same bad areas were reported after several executions of the `ddrescue` command, it means that all the data that could be rescued was copied to the partition image.
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Shut down Tails.
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You can now safely start [[recovering data from the Persistent
Storage|fsck#welcome]].
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<h1 id="recover">Recovering data from the Persistent Storage</h1>
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After [[creating a partition image|fsck#image]], you can safely try to recover data from your Persistent Storage without risking erasing more data.
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