LoyalScotsman Posted March 8 Share Posted March 8 (edited) Was about to add a new 8tb disk then noticed an error pop up when logging in saying cache error not first time i had this so its annoying but i went to have a look at disks and one shown failed but unriad wasn't responding to any changes that i was trying to do so i ended up forcing a reboot and now both cache disks appear to run smart scans and say no issues Logs before the reboot vault101-diagnostics-20240308-1515.zip vault101-syslog-20240308-1514.zip logs after reboot vault101-diagnostics-20240308-1534.zip vault101-syslog-20240308-1534.zip also checked disk logs and see the below cache disk sde cache 2 disk sdk Also i have tried a different sata cable on the disks to see if it helps but to early to tell esscailly with the current errors parity check in process cause i rebooted it to get it to respond this is the scipt results for the cache check Script Starting Mar 08, 2024 15:47.01 Full logs for this script are available at /tmp/user.scripts/tmpScripts/checkcachedrives/log.txt [/dev/sde1].write_io_errs 0 [/dev/sde1].read_io_errs 0 [/dev/sde1].flush_io_errs 0 [/dev/sde1].corruption_errs 0 [/dev/sde1].generation_errs 0 [/dev/sdk1].write_io_errs 2668196 [/dev/sdk1].read_io_errs 3936 [/dev/sdk1].flush_io_errs 0 [/dev/sdk1].corruption_errs 57 [/dev/sdk1].generation_errs 0 Script Finished Mar 08, 2024 15:47.03 So i have ran a scrub and it has gave me the following UUID: 5f5d37ad-1efa-46da-b974-d876dfdb375a Scrub started: Fri Mar 8 16:05:10 2024 Status: finished Duration: 0:43:16 Total to scrub: 142.90GiB Rate: 56.34MiB/s Error summary: verify=2592 csum=1678144 Corrected: 1680736 Uncorrectable: 0 Unverified: 0 is there an indication to why my cache has corrupted ?, i am am happy to move everything off my cache again to see how that goes cause it leaves corrupted stuff behide but looking for input before i do this incase there is a suggestion any help would be great ? thank you is there an indication to why my cache has corrupted ?, i am am happy to move everything off my cache again to see how that goes cause it leaves corrupted stuff behide but looking for input before i do this incase there is a suggestion any help would be great ? thank you EDIT after the scrub it appears the errors have stopped will update a post later on but would still like input please Edited March 8 by LoyalScotsman Quote Link to comment
JorgeB Posted March 8 Share Posted March 8 Those errors suggest one of the ache devices dropped offline in the past, scrub brought it up to date, and since there aren't any uncorrectable errors it should be fine now, assuming no NOCOW shares. It would be a good idea to check/replace cables for that device, the one that was /dev/sdk on those screenshots. Quote Link to comment
LoyalScotsman Posted March 8 Author Share Posted March 8 2 hours ago, JorgeB said: Those errors suggest one of the ache devices dropped offline in the past, scrub brought it up to date, and since there aren't any uncorrectable errors it should be fine now, assuming no NOCOW shares. It would be a good idea to check/replace cables for that device, the one that was /dev/sdk on those screenshots. there is no NOCOW shares i have replaced the cable for /dev/sdk i will montior just thought put a post but so far it is looking good so as you say that disk must have dropped offline Quote Link to comment
LoyalScotsman Posted March 8 Author Share Posted March 8 the script appears to still be picking up errors is there a command to clear this ? Script Starting Mar 08, 2024 19:47.01 Full logs for this script are available at /tmp/user.scripts/tmpScripts/checkcachedrives/log.txt [/dev/sde1].write_io_errs 0 [/dev/sde1].read_io_errs 0 [/dev/sde1].flush_io_errs 0 [/dev/sde1].corruption_errs 0 [/dev/sde1].generation_errs 0 [/dev/sdk1].write_io_errs 2668196 [/dev/sdk1].read_io_errs 3936 [/dev/sdk1].flush_io_errs 0 [/dev/sdk1].corruption_errs 1779689 [/dev/sdk1].generation_errs 2592 Script Finished Mar 08, 2024 19:47.03 Quote Link to comment
Solution JorgeB Posted March 9 Solution Share Posted March 9 13 hours ago, LoyalScotsman said: the script appears to still be picking up errors is there a command to clear this ? You need to reset them, see here: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=700582 13 hours ago, LoyalScotsman said: there is no NOCOW shares Suggest converting those to COW, btrfs cannot correct NOCOW data, since it's not checksummed. Quote Link to comment
LoyalScotsman Posted March 10 Author Share Posted March 10 So i have done the above and errors cleared hopefully it also stops the pop up when logging in that occurs ever hour with regards to COW my appdata share is set to auto shares system and domains is set to no how do i change this cause it appears greyed out I assume this COW option is only for shares directly saved on the cache ? Quote Link to comment
JorgeB Posted March 11 Share Posted March 11 14 hours ago, LoyalScotsman said: shares system and domains is set to no how do i change this cause it appears greyed out You'd need to recreate the share. Quote Link to comment
LoyalScotsman Posted March 12 Author Share Posted March 12 On 3/11/2024 at 9:41 AM, JorgeB said: You'd need to recreate the share. thank you i shall do this but another issue occurred so will post this and await response Quote Link to comment
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