April 14, 20251 yr Moved my server into a new case and lost two 6tb WD Red Plus drives. Things I have tried: External HDD Enclosure Different SATA Cables Different Power Cables Checked Mobo BiOS settings At this point I am assuming the drives are lost. I still have my 16tb parity and a 10tb data drive. My question is what is the best way forward. Do I try a direct swap and add two drives? Can I just add one higher capacity drive in their place? Any help is greatly appreciated!
April 14, 20251 yr Can you better define 'lost' - are they failing SMART tests? Are they powering up but not showing up in UnRaid? Are the disks simply not powering up at all? Is/was your array a single parity XFS array? or are you dabbling with ZFS? I'm assuming when you've moved into the new case that you're checking both ends of the SATA power connection - disk/enclosure and PSU. I only say this, because I've also just moved my gear into a new case (see signature) and sometimes you think you've plugged something into the PSU and it just ain't so.
April 14, 20251 yr Author 5 hours ago, Lebowski89 said: Can you better define 'lost' Drives are not recognized in the BiOS, also not recognized in unraid. When I placed them into the enclosure, they failed to initialize on my Windows machine due to a "fatal hardware error". It feels like they are not spinning up at all. Yes, single parity and have not dove into zfs at all. The cabeling was what I hoped it was at first, I have swapped out every single cable, tried different SATA ports, etc all to no avail.
April 14, 20251 yr Community Expert You can do a new config to recover the remaining drives, and add more if like, parity will need to be resynced after.
April 14, 20251 yr Author 5 hours ago, JorgeB said: You can do a new config to recover the remaining drives, and add more if like, parity will need to be resynced after. Does doing a new config wipe the non dead current drives? Want to preserve as much data as possible
April 14, 20251 yr Community Expert 22 minutes ago, jlindz39 said: Does doing a new config wipe the non dead current drives? No, you only lose the data from the missing drives.
April 15, 20251 yr Author 8 hours ago, JorgeB said: No, you only lose the data from the missing drives. Ok, preclearing a new disk and then I am going to try this out.
April 15, 20251 yr Community Expert 22 hours ago, jlindz39 said: Moved my server into a new case and lost two 6tb WD Red Plus drives. Did you also move the PSU? Or did you try to use modular PSU cables from one case on a new PSU in the new case? There is no standard pinout for modular PSU cables, and many have fried disks using cables for different PSU.
April 15, 20251 yr Author 14 minutes ago, trurl said: Did you also move the PSU? Or did you try to use modular PSU cables from one case on a new PSU in the new case? There is no standard pinout for modular PSU cables, and many have fried disks using cables for different PSU. Same PSU. I actually did think it was this at first, but I checked my other power supper and it isnt modular so all of the cables I have are from this PSU.
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