September 13Sep 13 hi,my system completely locked up on me, webui not responsive and console reboot timed out. After power cycle, system started up and parity check under way. Disk 8 then showed "Errors 2050"```The diagnostics identify what happened to Disk 8 after reboot:16:37:12: Disk 8 mounted successfully; XFS completed journal recovery.16:37:44: A correcting parity check started.16:42:22: The controller lost the disk. Read/write operations failed, and the controller removed it.16:42:37: The same disk returned as sds, previously sdh, reporting a power-on or device reset.```I rebooted, checked cables and brought array back online. showed disk 8 as offline and emulated. I read the rebuild-onto-itself procedure. after bringing the array up with disk 8 selected as no device. Disk 7 started getting errors?i swapped sata cable, currently running extended smart test on disk 8. Array mounted with disk 8 emulated, Disk 7 looking normal so far. If smart test passes i will try stopping and reassigning disk 8.holy-grail-diagnostics-20260913-1748.zipholy-grail-diagnostics-20260913-1707.zip Edited September 13Sep 13 by KeyBoardDabbler
September 13Sep 13 Community Expert The errors on disk7 are not logged as a disk problem, and SMART looks fine, so it's most likely a power/connection issue.Check/replace cables for that disk. Also, any power splitters in use?
September 13Sep 13 Author 13 hours ago, JorgeB said:The errors on disk7 are not logged as a disk problem, and SMART looks fine, so it's most likely a power/connection issue.Check/replace cables for that disk. Also, any power splitters in use?Extended SMART test is still in progress 70%.As mentioned i replaced the sata cable prior to starting SMART test. However, I do also use a power splitter for 4 disks. I will check if the disk is powered from this after test completes.
September 14Sep 14 Community Expert 3 hours ago, KeyBoardDabbler said:Extended SMART test is still in progress 70%.As mentioned i replaced the sata cable prior to starting SMART test. However, I do also use a power splitter for 4 disks. I will check if the disk is powered from this after test completes.Yeah, you should ideally never powersplit between more than 2 drives especially on SATA connections. Molex can often do up to 3 but keeping it to two is advised.
September 14Sep 14 Community Expert 9 hours ago, KeyBoardDabbler said:I do also use a power splitter for 4 disksVery bad idea, especially if it's a SATA power splitter.
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