Having trouble removing folders from uninstalled dockers.


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I recently uninstalled a MineOS-Node docker and i can't delet the remaining appdata folder. After failing to delete with Krusader and the CA appdata cleanup plugin i tried with the terminal and got the error message that it is a read only filesystem. Any help would be greatly appreciated. I checked the log and found the following.

 

Dec 13 20:23:56 Tower kernel: print_req_error: I/O error, dev loop2, sector 15422648
Dec 13 20:23:56 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 184, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:23:56 Tower kernel: loop: Write error at byte offset 7896920064, length 4096.
Dec 13 20:23:56 Tower kernel: print_req_error: I/O error, dev loop2, sector 15423672
Dec 13 20:23:56 Tower kernel: loop: Write error at byte offset 7897444352, length 4096.
Dec 13 20:23:56 Tower kernel: print_req_error: I/O error, dev loop2, sector 15424696
Dec 13 20:23:56 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 185, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:23:56 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 186, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:24:27 Tower kernel: lo_write_bvec: 3 callbacks suppressed
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 12746752, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: 3 callbacks suppressed
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 24896
Dec 13 20:24:27 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 187, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7892725760, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15415480
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7894036480, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15418040
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7894560768, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15419064
Dec 13 20:24:27 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 188, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7894822912, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15419576
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7895347200, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15420600
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7895871488, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15421624
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7896395776, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15422648
Dec 13 20:24:27 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 189, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7896920064, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15423672
Dec 13 20:24:27 Tower kernel: loop: Write error at byte offset 7897444352, length 4096.
Dec 13 20:24:27 Tower kernel: print_req_error: I/O error, dev loop2, sector 15424696
Dec 13 20:24:27 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 190, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:24:27 Tower kernel: BTRFS error (device loop2): bdev /dev/loop2 errs: wr 191, rd 0, flush 0, corrupt 0, gen 0
Dec 13 20:40:24 Tower login[9517]: ROOT LOGIN on '/dev/pts/0'

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You have corruption on you docker image. You will have to delete and recreate it then reinstall all your dockers using the Previous Apps feature on the Apps page.

 

https://forums.unraid.net/topic/57181-real-docker-faq/#comment-564309

 

 

And corruption of your cache pool. You will have to back it up and reformat.

 

https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?page=2#comment-543490

 

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There were previous read errors on one of your cache devices:

Dec  9 20:39:33 Tower kernel: BTRFS info (device sdd1): bdev /dev/sdd1 errs: wr 0, rd 3, flush 0, corrupt 0, gen 0

This is a hardware problem, and while there were very few looks like it was enough to cause problems, see here for more info on how to monitor the pools for the future:

https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=700582

 

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