You're going to a partially cached OS on the Optane drive. I would recommend disabling Optane, then cloning the drive. Once you boot to it, enable Optane.
If you type @PowerSpec_MikeW I'll get a notification, but I'll respond either way.
If you want the functionality of Optane, which is basically fast drive caching for the HDD. It will depend on your system and specifications. My thought would be to replace the Optane with a much larger NVMe drive, then use a software like PrimoCache to use the SSD as a L2 cache to make the HDD faster. Basically clone the HDD to the new NVMe drive and use the old HDD for data storage. PrimoCache and using the HDD at all is entirely optional. Optane is an interesting technology, it's a fast 32GB cache. It can only predict so much and when you hit the HDD performance suffers. I think an NVMe drive as your main drive would provide overall increased performance.
It shouldn't. Optane cache's data, but there should never be a time when the data on the Optane drive isn't present on the HDD as well. It should be fine either way.
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