PandaCheese
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Posts posted by PandaCheese
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6 hours ago, itimpi said:
It looked to me as if you only did the short SMART tests on the drives. Drives can easily pass this test and still not be reliable.
You should carry out the Extended SMART test on any suspect drives and any that do not pass this should be replaced. Note that when carrying out the Extended test it can take many hours (with progress only reported in 10% increments) and you should temporarily disable any spindown on the drives being tested.
I'll do that. Thanks for the tip!
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4 hours ago, JorgeB said:
Diags are after rebooting so we can't see what caused the errors or the rebuild, likely some controller/power issue to cause them in multiple disks, you also need to check filesystem on disk6, possibly the result of the errors during the rebuild.
Yes this I did already after finding some folders missing.
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Single parity array of 8x6TB WD Red disks had been running fine for over 5 years, then suddenly I got this warning.
Disk 1 - WDC_WD60EFRX-68L0BN1_WD-WX11D76EPA6A (sdc) (errors 3) Disk 3 - WDC_WD60EFRX-68L0BN1_WD-WX11D76EPLE3 (sde) (errors 256) Disk 5 - WDC_WD60EFRX-68L0BN1_WD-WX11D668X8Z9 (sdg) (errors 2) Disk 6 - WDC_WD60EFRX-68L0BN1_WD-WX11D76EP0C8 (sdh) (errors 961)Shortly after disk 5 just went dead (not detectable even in WD's Data Lifeguard). I bought some 10TB replacements, replaced the totally dead disk 5 by doing a parity swap, then replaced the former parity disk, and lastly disk 6. Disk 6 continued to generate a lot of errors during the rebuild. None of the replaced disks would pass Data Lifeguard's extended test, including the former parity disk despite never reporting an error.
SMART test and disk attributes on the remaining 6TB disks look OK for now, but I wonder if I should be proactive and swap out more of them since they were all purchased around the same time as the bad disks? Diagnostics attached, appreciate any input!
SMB Slowness driving me to new solution
in MacOS/SMB
Posted
From what I remember SMB performance with many files wasn't always this bad. I came to unRAID from WHS, and for the first couple of years browsing performance was at least on par with that. Unfortunately I cannot recall the exact version that introduced the slowness, but to me it was within the last year that it became unbearable. Wonder if there's some hidden threshold you have to cross, like the total number of files or something.