November 23, 20169 yr unfortunately for me I believe I have gone ahead and blitzed any chance of recovering data from disk2 which became unmounted after an upgrade reboot... I have read through this Topic: [6.2.4] Array Started with Unmountable Disks and it is similar to my experience in that the array started (from memory) with disk2 gone What I would like to understand and could not clearly deduce from my logs was what actually occurred and in what order. tower-diagnostics-20161122-2000.zip
November 23, 20169 yr Community Expert I have gone ahead and blitzed any chance of recovering data from disk2 Why do you say that? As long as you didn't format the disk it should be recoverable, check filesystem on disk2: https://lime-technology.com/wiki/index.php/Check_Disk_Filesystems#Drives_formatted_with_XFS
November 23, 20169 yr Author I stupidly formatted the disk from the gui - thinking ( in my ignorance and lack of reading documentation ) that I would then recover the lost data from the parity disk .... Oh well now I know for next time I encounter an unmountable disk
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