So following up from this thread: https://forums.tomshardware.com/threads/is-it-possible-to-preserve-my-raid-5-array.3565667 (thank you everyone for the quick replies, by the way) I gave up on recovering my data and tried to just format the drives and use windows 10's Storage Spaces to create a new striped array. This ran into issues quickly, as it would only be able to use one out of 3 disks. Checking Disk Manager, which I used for the (non-quick) format in the first place, showed that the drives Storage Spaces could not use were somehow about 120MB smaller than the other one. The drives are identical!
Runing CHKDSK /b after formatting a simple volume on the entire drive brought one of the 'smaller' drives back to the capacity of the other one, and Storage Spaces is able to use it now, but the other one remains smaller than its peers. I have no idea why those mb's are inaccessible, or what to do about it. View: https://imgur.com/a/KW46UJ0
here is a screenshot of Disk Manager showing the smaller drive. Any help is once again humbly appreciated!
Runing CHKDSK /b after formatting a simple volume on the entire drive brought one of the 'smaller' drives back to the capacity of the other one, and Storage Spaces is able to use it now, but the other one remains smaller than its peers. I have no idea why those mb's are inaccessible, or what to do about it. View: https://imgur.com/a/KW46UJ0
here is a screenshot of Disk Manager showing the smaller drive. Any help is once again humbly appreciated!