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Doom Map deleted and Ultimate Doom Builder Settings removed.

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Hello everyone! I don't know if I'm posting this in the correct section.


The other day, around 9:00 p.m., there was a power outage throughout the building while I was editing a map, luckily I had saved the progress a little earlier. The next day when I wanted to continue editing the map I could no longer open it because it did not exist, it was deleted. He was saved without problems before the light fell, how is that possible? I opened the wad in Slade3 to see if there was anything inside and the only thing I found was a total of 78 Marker, nothing more. Luckily, I was able to recover the map by searching the forums for a solution. But it doesn't all end there nononono. In Ultimate Doom Builder all the changes I had made in it have been lost (Preferences, Game configurations, Linedef presets, Things filters, etc.). As if I had installed it for the first time.
Does anyone have an idea how this could have happened? Or have I been a victim of some type of witchcraft?



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Write caching is the culprit. When you save a file, it is not actually written to disk immediately, instead it is temporarily stored in the disk cache so that multiple file operations can be batched up and written to disk all at once, improving both throughput and disk lifespan by reducing the number of physical writes required. It does have the nasty side effect that a power failure will cause loss or corruption of cached files that you thought were already saved, which includes not just your WAD but also UDB's configuration files.


Write caching can be disabled if you want extra protection against this type of event, though it will impact disk performance. An uninterruptible power supply is a far better solution to the problem of power failures.

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Well, now I know it was for that reason. I don't think it's necessary to disable that option, power outages are not frequent. I just had bad luck.

Thank you very much for your answer!

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