Miomio Posted February 17, 2023 Share Posted February 17, 2023 (edited) Hello! First post here. Had my system (very small, 6 drives, including cache) for several years, no issues. All of a sudden I get 'Disk is Write-Protected' error. Diagnostic file attached. Many thanks for looking into this! -Miomio tower-diagnostics-20230217-1250.zip Edited February 17, 2023 by Miomio Quote Link to comment
Solution Squid Posted February 17, 2023 Solution Share Posted February 17, 2023 Check the connections to the cache drive. It dropped completely offline Quote Link to comment
Miomio Posted February 17, 2023 Author Share Posted February 17, 2023 Aye aye aye, Thanks for the ultra fast answer! Problem Solved! I disconected and reconnected the cables and Voilà! (still strange as the box is never moved around). Also strange as yesterday I was seeing the cache drive online (empty files when opening it, which made sense to me). Thanks again! -Miomio Note: In order to learn 'diagnostics', where did you see so fast this was the cache drive? Quote Link to comment
Squid Posted February 17, 2023 Share Posted February 17, 2023 1 hour ago, Miomio said: Note: In order to learn 'diagnostics', where did you see so fast this was the cache drive? Via 2 methods: Method 1: Prior to the drive finally getting kicked out and btrfs having a conniption there is all of this very many times in the syslog Feb 17 12:47:03 Tower kernel: ata5: hard resetting link Feb 17 12:47:05 Tower kernel: ata5: SATA link down (SStatus 1 SControl 310) Searching back in the syslog for ata5 you wind up with Feb 17 12:43:36 Tower kernel: ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Feb 17 12:43:36 Tower kernel: ata5.00: ATA-10: WDC WD10SPZX-21Z10T0, WD-WX61A7852UTZ, 02.01A02, max UDMA/133 Cross reference that drive in the SMART section of the diagnostics and it doesn't exist at all (ie: no drive is connected) But it was connected originally as the cache drive Feb 17 12:43:39 Tower emhttpd: import 30 cache device: (sdb) WDC_WD10SPZX-21Z10T0_WD-WX61A7852UTZ Which leads to 1 hour ago, Squid said: Check the connections to the cache drive. It dropped completely offline But, personally I think it was mostly method #2: Quote Link to comment
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