January 29, 20224 yr Unraid: 6.9.2 Filesytem: BTRFS Just started receiving drive errors and currently running the btrfs scrub process.t I'm assuming that won't resolve the issue and am trying to figure out proper next steps. Hoping someone can help decipher the log and point me in the right direction. I'm attaching diagnostics and a couple of screen shots, one showing the syslog errors and the other showing the errors in the disk log. media1-diagnostics-20220129-1453.zip
January 29, 20224 yr Community Expert You have to rebuild the disk. Scrub won't hurt, but it is only working on the emulated disk at this point since the disk has been kicked out of the array. No SMART for disk9 in diagnostics, looks like it has disconnected. Check all connections, both ends, SATA and power, including splitters. Then post new diagnostics. Unrelated, but your syslog is mostly full of NFS problems. And you should disable mover logging unless you are trying to diagnose a mover problem, since those just fill log and aren't anonymized.
January 29, 20224 yr Author Thanks for the quick answer. A quick follow up question, by rebuild, are you saying the drive is still good and rebuild the existing drive or a rebuild using a new drive? --Or will this be unknown until I get I can get it back online with a smart test? Yeah, kept getting NFS errors (stale file) and gave up on it. Swapped to using SMB. (I'm assuming the errors you referred to were from a couple of days ago) I forgot about the mover logging, was doing some troubleshooting and never turned it off. Good catch, thanks for that. Thanks again!
January 29, 20224 yr 35 minutes ago, broncosaddict said: Or will this be unknown until I get I can get it back online with a smart test? This.
January 30, 20224 yr Author Well, the question has been answered, the drive is dead. Tried rebooting, changing the slot in the server twice, and running Seagate tools. Unraid and Seagate tools see's all the other disks except the one that generated the errors. After the reboot, it showed as no device and there was nothing listed in the available devices. It's under warranty so I'm going to do an exchange. My understanding is I can use everything as normal and will be fine as long as I don't lose 2 more drives (I had dual parity drives). Correct? When the replacement comes in, it is just a matter of swapping it out and rebuilding the drive. Correct?
January 30, 20224 yr Community Expert 1 hour ago, broncosaddict said: My understanding is I can use everything as normal and will be fine as long as I don't lose 2 more drives (I had dual parity drives). Correct? When the replacement comes in, it is just a matter of swapping it out and rebuilding the drive. Correct? Correct. Note that any access of the disabled disk actually accesses all other disks to get the data for the disk from the parity calculation when reading the disabled disk, and accesses all other disks to calculate the new parity value and updates parity when writing the disabled disk. So the emulated disk can be read, and even written, but all the disks are used to allow this. So there might be some performance impact.
January 30, 20224 yr Author Alright, good to know. Thanks for all the information and help!! Much appreciated.
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