June 4, 201610 yr Good day Unraid Community, I've been using Unraid for many years successfully. Lately, I'm experiencing issues with my drive #12 (ST4000VN000-1H4168.) Every month when doing parity check, this drive fails at some point. Usually, I don't consider it a big deal as I simply rebuild it and boom, I'm back in business for another month. Obviously, this isn't a good sign but I simply didn't have time to troubleshoot the issue. But this month, it's simply not working anymore. I've tried a few rebuilt and they all fail while rebuilding the disk; hence why I'm suddenly opening this thread. The drive by itself looks good as per the smart report (include.) So, I'm suspecting something else, potentially the SATA card/port or cable. The syslog is pretty verbose in terms of errors (as you can see attached.) Server: Version: unRAID server Pro, version 6.1.9 M/B: ASRock - Z97 Extreme6 CPU: Intel® Core™ i7-4790K CPU @ 4.00GHz HVM: Enabled IOMMU: Enabled Cache: 256 kB, 1024 kB, 8192 kB Memory: 16384 MB (max. installable capacity 32 GB) Network: eth0: 1000Mb/s - Full Duplex Kernel: Linux 4.1.18-unRAID x86_64 I've got 16 drives total. 1 Parity + 1 cache + 14 drives. The problematic drive in question is ST4000VN000-1H4168. I'm including the diagnostic report from Unraid so you guys can confirm what could be the issue. The zip file was bigger than the allowed size though (>192kb) so I've split it in multiple archives/post, sorry about that. What are your thoughts on the potential issue? Are we talking about a bad SATA card? A problematic SATA cable? Or the HDD is truly failing? Thanks for your help and have a great day! EDIT: I've re-uploaded the zip file. Since it was >192kb, I've rename a 7-zip file (7z) to .zip. When opening it, simply remove the .zip and open it with 7-zip. If this doesn't work, I will upload the original zip to a remote server. Thanks! tower-diagnostics-20160604-1338.7z.zip
June 7, 201610 yr Author Oups, sorry about that. Let me zip it again and reupload it. That 192kb limit is tricky. Alright, so the file is a .zip but it's a 7z file (to be opened by 7-zip), let me know if I need to upload a true .zip file on a remote server. I've also updated the file in the original post to ensure people download the right info. Thanks! tower-diagnostics-20160604-1338.7z.zip
June 8, 201610 yr Author Anyone had a chance to look at the logs? I'm starting to worry another disk might fail while this one isn't protected... Btw, in the event it's a hardware error, I've purchased a new case so I can reinstall all my setup and each HDDs to ensure everything is properly installed. If someone knows the possible cause of this issue, it'd be smarter before starting to tackle the the hardware level.
June 8, 201610 yr Community Expert SMART looks good, but I could still be a bad disk, easy to confirm, trade places with another disk (easy if it's a hot swap case, in a standard case replace/trade both cables and connect it to a different sata port/controller), if it still fails during a rebuild or in a future parity check replace it.
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