November 29, 20196 yr I had a disk show up as unformatted and first I restarted the machine but the disk still showed as unformatted. So I clicked on format. I then started a parity check (thinking this would rebuild the drive) Right now the parity check is at 80% and there is only 73GB used and 4.93TD Free. There was probably around 4TB of data on the drive before the drive showed up as unformatted. If I browse the drive I see all the directories and they appear to have the smaller files that were in them (this is a (movie/media server) but the big files (the movies themselves) appear to not be there. I am super nervous at this point if my movie files/data is lost with 10+ hours left to go of this parity check. What do you guys think? Edited November 29, 20196 yr by denzo added info
November 29, 20196 yr Community Expert When a disk is unmountable it usually means filesystem corruption, filesystem repair is the correct way to fix it, format deletes all data and updates parity, so it's never used for recovery. Your only option now, if you don't have backups, it to use a file recovery util, like UFS explorer.
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