Yes, your data has been corrupted. Seems your disk write cache is enabled on this disk and you do not have a UPS. So in such situation it’s recommended to disable a write cache.
Since your data is corrupted, I suggested to create a new empty database with a half of structure, the second half of structure was applied by the integrated migration mechanism.
Disk caching was not enabled but I made double sure it was turned off. Its now working happily for 24 hours
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