My unRAID server hard-locked up today - it was completely unresponsive via web (page could not be displayed), the console mouse and keyboard were locked up and I could not SSH nor even ping the machine.  I had no options but to hard power cycle the machine.  Upon rebooting I had 1 drive not come up - "Unmountable: No filesystem".  I have started the array in maintenance mode and ran the xfs_repair -n where there are a lot of inode messages.  I have tried xfs_repair /dev/md2 but end up, after some time, with an error: "fatal error -- couldn't map inode 4389412487, err = 117"

 

Any help to repair the usperblock of this drive would be much appreciated.  Attached is my tower diagnostics

tower-diagnostics-20180819-1932.zip

If you still need help please repost your diagnostics as there seems to be a problem where the old forum diags can't be downloaded.