By default, device files and special files are not created during restores if they do not exist.
The following files are not created by default during restores:
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Device files (character and block devices)
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Special files (non-regular)
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Pipe files
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Socket files
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Door files (on Solaris)
The device files can be restored either in place or out of place. You can restore only entire device files. Use character device files instead of block device files for achieving better restore performance.