Perry Posted November 29, 2022 Share Posted November 29, 2022 My hard drives keep failing and I'm worried of losing everything. I have dual parity, so I only lose everything if a third disk fails, but it's still worrying. Basically, here's what happened: 1. Disk 5 failed 2. I replaced Disk 5 with a pre-cleared hard drive, following all the manual instructions 3. A week later, disk 6 failed. I thought this was an unlucky coincidence 4. I replaced disk 6 exactly as I did previously. The array rebuilt successfully 5. A few days later disk 6 failed again. I knew that my new pre-cleared hard drive wasn't the issue here, so I unassigned disk 6 and then reassigned it to the array (again following the manual instructions) 6. At this point, as the array was rebuilding disk 6, disk 8 failed. 7. Now the parity is all rebuilt, but disk 8 is obviously still failed. tower-diagnostics-20221128-1809.zip FYI: All of the hard drives being used in this NAS (parity and disks) are Seagate EXOS 16TB disks. What should I do? I will check the power supply to the NAS chassis and the ethernet cable, as that's what some other forums point to. I will keep things posted here, but if you have any other ideas please let me know. Attached are the diagnostics. Thanks Quote Link to comment
JorgeB Posted November 30, 2022 Share Posted November 30, 2022 Disk dropped offline and reconnected again, this is usually a power/connection problem, also a good idea to update the LSI firmware to latest. Quote Link to comment
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