Hi, I upgraded from 7.0.0 to 7.1.4 and got the "Replacement Disk Too Small" error. The array was working fine on 7.0.0. My array consists of one data disk (sdb, disk1) and one parity disk (sdc). Disk1 is not mountable since the Unraid update. The parity disk is fine and mountable. When starting the array, I see in the logs "disk1: mount error: wrong or no file System". When mounting disk1 with the unassigned devices plugin, the logs show the error "XFS (sdb1): last sector read failed" and "Mount of 'sdb1' failed: 'mount: /mnt/disks/ZW62YC07: can't read superblock on /dev/sdb1." For both drives, the SMART test shows no errors. I have reset the configuration in Tools -> New config thinking the file system would be rebuilt from the parity drive. Unraid now warns me regarding the parity drive that "All existing data on this device will be OVERWRITTEN when array is Started", so I did not start the array yet. I have the most important data backed up somewhere else, but can't back up my movies collection due to its size. A data loss on both drives would be annoying (having to re-download media), but not devastating. What is the best course of action now? Should I try fixing the file system on disk1 or copy the entire file system from parity to disk1? I did not run the above mentioned commands, as I am not sure if the root cause is the same.
diagnostics-20250907-1216.zip