November 3, 20241 yr Today I found my 2TB HDD I use as intake for downloads is readonly, folders are there but most are empty, and the disk usage remains as it should be. I use this cache drive to not spin up my array when downloading stuff or seeding torrents. I don't mind if I lose the files in that cache drive, I knew the risks of using cache instad of the array, but I would like to recover if possible, and know what happened and how to prevent this. Attached is the diagnostic zip. Affected share is named "cache_dl". WDC_WD20EARX-00MMMB0_WD-WMAWZ0357516 - 2 TB (sdi). Thank you. unraid-diagnostics-20241103-1554.zip
November 3, 20241 yr Community Expert Solution The cache disk dropped offline, check/replace cables and post new diags after array start.
November 3, 20241 yr Author Huh! I did what you said and took this change to finally install the LSI card I bought quite a long time a go. After re-checking that all the SATA power cables were OK I checked again in unraid and everything is back there. Curious what happened there. Maybe this old Z87 motherboard is starting to be faulty. Thank you for the quick answer and fix. Could you tell me where in the logs did you find the issue? I looked around but I don't now what to look for. unraid-diagnostics-20241103-1916.zip Edited November 3, 20241 yr by Nirvash
November 4, 20241 yr Community Expert 14 hours ago, Nirvash said: Could you tell me where in the logs did you find the issue? In the syslog, this is when it dropped: Nov 3 15:38:23 Unraid kernel: ata8: link is slow to respond, please be patient (ready=0) Nov 3 15:38:28 Unraid kernel: ata8: found unknown device (class 0) Nov 3 15:38:33 Unraid kernel: ata8: link is slow to respond, please be patient (ready=0) Nov 3 15:38:40 Unraid kernel: ata8: SATA link up 6.0 Gbps (SStatus 133 SControl 300) Nov 3 15:38:46 Unraid kernel: ata8.00: qc timeout after 5000 msecs (cmd 0xec) Nov 3 15:38:46 Unraid kernel: ata8.00: failed to IDENTIFY (I/O error, err_mask=0x4) Nov 3 15:38:46 Unraid kernel: ata8: hard resetting link Nov 3 15:38:46 Unraid kernel: ata8: SATA link up 6.0 Gbps (SStatus 133 SControl 300) Nov 3 15:38:46 Unraid kernel: ata8.00: ATA-8: WDC WD20EARX-00MMMB0, 80.00A80, max UDMA/133 Nov 3 15:38:46 Unraid kernel: ata8.00: 3907029168 sectors, multi 0: LBA48 NCQ (depth 32), AA Nov 3 15:38:46 Unraid kernel: ata8.00: configured for UDMA/133 Nov 3 15:38:46 Unraid kernel: ata8.00: retrying FLUSH 0xea Emask 0x10 Nov 3 15:38:46 Unraid kernel: sd 9:0:0:0: [sdi] tag#4 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=188s Nov 3 15:38:46 Unraid kernel: sd 9:0:0:0: [sdi] tag#4 Sense Key : 0x5 [current] Nov 3 15:38:46 Unraid kernel: sd 9:0:0:0: [sdi] tag#4 ASC=0x21 ASCQ=0x4 Nov 3 15:38:46 Unraid kernel: sd 9:0:0:0: [sdi] tag#4 CDB: opcode=0x35 35 00 00 00 00 00 00 00 00 00 Nov 3 15:38:46 Unraid kernel: I/O error, dev sdi, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 0 prio class 2 Nov 3 15:38:46 Unraid kernel: ata8: EH complete Nov 3 15:38:46 Unraid kernel: sd 9:0:0:0: rejecting I/O to offline device
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