New app corrupted drive?

I recently installed the Iphone app and tried to access my 50 gb of images on it.  It never finished reading all of them, which is no surprise, but while doing this the drive gave me an error message about overheating and then one of my data volumes went into degraded mode.  Is this a coincidence, or did trying to access a large number of photos (including a bunch of RAW files that the app could not read) make the drive fail?  Any way to fix this without replacing the drive?


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