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@girish alright, thanks a lot. Always useful to learn more about the things we use

I did what you wrote above and now everything works just like usual
If disk issues keep on happening, I will have to get in contact with the provider..

@nebulon and @girish thank you for the analysis and suggestions. How do I know if an app uses mongodb? Right now I am using nextcloud and limesurvey, but I could find any mongodb references in the app settings.

Indeed, I just restartet the mongodb service, to get fresh logs and following showed (can't share the entire log, since it is to long and I am not allowed to upload txt files, so here what seemed most important):

Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.655+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":-31802,"message":"[1689665604:655246][14:0x7ff7eea7acc0], file:local/collection-10-4461053802942612146.wt, txn rollback_to_stable: __rollback_to_stable_btree_apply, 1530: file:local/collection-10-4461053802942612146.wt: unable to open handle: WT_ERROR: non-specific WiredTiger error"}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.657+00:00"},"s":"I", "c":"STORAGE", "id":22430, "ctx":"initandlisten","msg":"WiredTiger message","attr":{"message":"[1689665604:657723][14:0x7ff7eea7acc0], WT_SESSION.checkpoint: [WT_VERB_CHECKPOINT_PROGRESS] saving checkpoint snapshot min: 1, snapshot max: 1 snapshot count: 0, oldest timestamp: (1681933318, 1) , meta checkpoint timestamp: (1681933323, 1) base write gen: 16574542"}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.661+00:00"},"s":"I", "c":"STORAGE", "id":4795906, "ctx":"initandlisten","msg":"WiredTiger opened","attr":{"durationMillis":996}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.661+00:00"},"s":"I", "c":"RECOVERY", "id":23987, "ctx":"initandlisten","msg":"WiredTiger recoveryTimestamp","attr":{"recoveryTimestamp":{"$timestamp":{"t":1681933323,"i":1}}}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.663+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":0,"message":"[1689665604:663636][14:0x7ff7eea7acc0], file:sizeStorer.wt, WT_SESSION.open_cursor: __wt_block_read_off, 286: sizeStorer.wt: potential hardware corruption, read checksum error for 4096B block at offset 32768: block header checksum of 0x47873a4d doesn't match expected checksum of 0x7a76f50f"}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.663+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":0,"message":"[1689665604:663763][14:0x7ff7eea7acc0], file:sizeStorer.wt, WT_SESSION.open_cursor: __wt_bm_corrupt_dump, 140: {0: 32768, 4096, 0x7a76f50f}: (chunk 1 of 4): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 33 00 00 00 0b 00 00 00 01 00 00 01 00 10 00 00 4d 3a 87 47 01 00 00 00 e2 f5 1a 80 cf c0 e2 1f c0 80 81 e3 fc b1 d9 e2 6f c0 00 00 00 00 00 00 c4 90 65 6e 63 72 79 70 74 69 6f 6e 3d 28 6b 65 79 69 64 3d 2c 6e 61 6d 65 3d 29 2c 62 6c 6f 63 6b 5f 6d 65 74 61 64 61 74 61 5f 65 6e 63 72 79 70 74 65 64 3d 66 61 6c 73 65 2c 62 6c 6f 63 6b 5f 6d 65 74 61 64 61 74 61 3d 5b 61 63 63 65 73 73 5f 70 61 74 74 65 72 6e 5f 68 69 6e 74 3d 6e 6f 6e 65 2c 61 6c 6c 6f 63 61 74 69 6f 6e 5f 73 69 7a 65 3d 34 4b 42 2c 61 70 70 5f 6d 65 74 61 64 61 74 61 3d 2c 61 73 73 65 72 74 3d 28 63 6f 6d 6d 69 74 5f 74 69 6d 65 73 74 61 6d 70 3d 6e 6f 6e 65 2c 64 75 72 61 62 6c 65 5f 74 69 6d 65 73 74 61 6d 70 3d 6e 6f 6e 65 2c 72 65 61 64 5f 74 69 6d 65 73 74 61 6d 70 3d 6e 6f 6e 65 29 2c 62 6c 6f 63 6b 5f 61 6c 6c 6f 63 61 74 69 6f 6e 3d 62 65 73 74 2c 62 6c 6f 63 6b 5f 63 6f 6d 70 72 65 73 73 6f 72 3d 2c 63 61 63 68 65 5f 72 65 73 69 64 65 6e 74 3d 66 61 6c 73 65 2c 63 68 65 63 6b 73 75 6d 3d 75 6e 63 6f 6d 70 72 65 73 73 65 64 2c 63 6f 6c 6c 61 74 6f 72 3d 2c 63 6f 6c 75 6d 6e 73 3d 2c 64 69 63 74 69 6f 6e 61 72 79 3d 30 2c 65 6e 63 72 79 70 74 69 6f 6e 3d 28 6b 65 79 69 64 3d 2c 6e 61 6d 65 3d 29 2c 66 6f 72 6d 61 74 3d 62 74 72 65 65 2c 68 75 66 66 6d 61 6e 5f 6b 65 79 3d 2c 68 75 66 66 6d 61 6e 5f 76 61 6c 75 65 3d 2c 69 64 3d 32 2c 69 67 6e 6f 72 65 5f 69 6e 5f 6d 65 6d 6f 72 79 5f 63 61 63 68 65 5f 73 69 7a 65 3d 66 61 6c 73 65 2c 69 6e 74 65 72 6e 61 6c 5f 69 74 65 6d 5f 6d 61 78 3d 30 2c 69 6e 74 65 72 6e 61 6c 5f 6b 65 79 5f 6d 61 78 3d 30 2c 69 6e 74 65 72 6e 61 6c 5f 6b 65 79 5f 74 72 75 6e 63 61 74 65 3d 74 72 75 65 2c 69 6e 74 65 72 6e 61 6c 5f 70 61 67 65 5f 6d 61 78 3d 34 4b 42 2c 6b 65 79 5f 66 6f 72 6d 61 74 3d 75 2c 6b 65 79 5f 67 61 70 3d 31 30 2c 6c 65 61 66 5f 69 74 65 6d 5f 6d 61 78 3d 30 2c 6c 65 61 66 5f 6b 65 79 5f 6d 61 78 3d 30 2c 6c 65 61 66 5f 70 61 67 65 5f 6d 61 78 3d 33 32 4b 42 2c 6c 65 61 66 5f 76 61 6c 75 65 5f 6d 61 78 3d 30 2c 6c 6f 67 3d 28 65 6e 61 62 6c 65 64 3d 74 72 75 65 29 2c 6d 65 6d 6f 72 79 5f 70 61 67 65 5f 69 6d 61 67 65 5f 6d 61 78 3d 30 2c 6d 65 6d 6f 72 79 5f 70 61 67 65 5f 6d 61 78 3d 35 4d 42 2c 6f 73 5f 63 61 63 68 65 5f 64 69 72 74 79 5f 6d 61 78 3d 30 2c 6f 73 5f 63 61 63 68 65 5f 6d 61 78 3d 30 2c 70 72 65 66 69 78 5f 63 6f 6d 70 72 65 73 73 69 6f 6e 3d 66 61 6c 73 65 2c 70 72 65 66 69 78 5f 63 6f 6d 70 72 65 73 73 69 6f 6e 5f 6d 69 6e 3d 34 2c 73 70 6c 69 74 5f 64 65 65 70 65 6e 5f 6d 69 6e 5f 63 68 69 6c 64 3d 30 2c 73 70 6c 69 74 5f 64 65 65 70 65 6e 5f 70 65 72 5f 63 68 69 6c 64 3d 30 2c 73 70 6c 69 74 5f 70 63 74 3d 39 30 2c 76 61 6c 75 65 5f 66 6f 72 6d 61 74 3d 75 2c 76 65 72 73 69 6f 6e 3d 28 6d 61 6a 6f 72 3d 31 2c 6d 69 6e 6f 72 3d 31 29 2c 63 68 65 63 6b 70 6f 69 6e 74 3d 28 57 69 72 65 64 54 69 67 65 72 43 68 65 63 6b 70 6f 69 6e 74 2e 31 30 39 37 39 31 39 3d 28 61 64 64 72 3d 22 30 31 38 31 38 31 65 34 61 65 34 63 37 37 34 39 38 32 38 31 65 34 31 35 34 36 62 64 31 36 38 33 38 31 65 34 66 63 64 66 33 31 33 64 38 30 38 30 38 30 65 "}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.664+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":0,"message":"[1689665604:664002][14:0x7ff7eea7acc0], file:sizeStorer.wt, WT_SESSION.open_cursor: __wt_bm_corrupt_dump, 140: {0: 32768, 4096, 0x7a76f50f}: (chunk 2 of 4): 32 36 66 63 30 63 66 63 30 22 2c 6f 72 64 65 72 3d 31 30 39 37 39 31 39 2c 74 69 6d 65 3d 31 36 38 31 38 35 39 30 38 37 2c 73 69 7a 65 3d 38 31 39 32 2c 6e 65 77 65 73 74 5f 73 74 61 72 74 5f 64 75 72 61 62 6c 65 5f 74 73 3d 30 2c 6f 6c 64 65 73 74 5f 73 74 61 72 74 5f 74 73 3d 30 2c 6e 65 77 65 73 74 5f 74 78 6e 3d 30 2c 6e 65 77 65 73 74 5f 73 74 6f 70 5f 64 75 72 61 62 6c 65 5f 74 73 3d 30 2c 6e 65 77 65 73 74 5f 73 74 6f 70 5f 74 73 3d 2d 31 2c 6e 65 77 65 73 74 5f 73 74 6f 70 5f 74 78 6e 3d 2d 31 31 2c 70 72 65 70 61 72 65 3d 30 2c 77 72 69 74 65 5f 67 65 6e 3d 31 36 35 36 35 31 33 34 2c 72 75 6e 5f 77 72 69 74 65 5f 67 65 6e 3d 31 36 35 36 35 31 33 32 29 29 2c 63 68 65 63 6b 70 6f 69 6e 74 5f 62 61 63 6b 75 70 5f 69 6e 66 6f 3d 2c 63 68 65 63 6b 70 6f 69 6e 74 5f 6c 73 6e 3d 28 39 33 2c 34 36 30 38 29 5d c0 fb 63 68 65 63 6b 70 6f 69 6e 74 3d 28 57 69 72 65 64 54 69 67 65 72 43 68 65 63 6b 70 6f 69 6e 74 2e 31 30 39 39 31 35 34 3d 28 61 64 64 72 3d 22 30 31 38 35 38 31 65 34 30 32 37 35 30 35 62 35 38 36 38 31 65 34 34 32 34 31 30 37 62 34 38 30 38 30 38 30 38 30 38 30 38 30 65 32 36 66 63 30 63 66 63 30 22 2c 6f 72 64 65 72 3d 31 30 39 39 31 35 34 2c 74 69 6d 65 3d 31 36 38 31 39 33 33 32 30 34 2c 73 69 7a 65 3d 38 31 39 32 2c 6e 65 77 65 73 74 5f 73 74 61 72 74 5f 64 75 72 61 62 6c 65 5f 74 73 3d 30 2c 6f 6c 64 65 73 74 5f 73 74 61 72 74 5f 74 73 3d 30 2c 6e 65 77 65 73 74 5f 74 78 6e 3d 30 2c 6e 65 77 65 73 74 5f 73 74 6f 70 5f 64 75 72 61 62 6c 65 5f 74 73 3d 30 2c 6e 65 77 65 73 74 5f 73 74 6f 70 5f 74 73 3d 2d 31 2c 6e 65 77 65 73 74 5f 73 74 6f 70 5f 74 78 6e 3d 2d 31 31 2c 70 72 65 70 61 72 65 3d 30 2c 77 72 69 74 65 5f 67 65 6e 3d 31 36 35 36 38 38 35 36 2c 72 75 6e 5f 77 72 69 74 65 5f 67 65 6e 3d 31 36 35 36 35 31 35 32 29 29 9a 01 85 81 e4 02 75 05 b5 86 81 e4 42 41 07 b4 80 80 80 80 80 80 e2 6f c0 cf c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.664+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":0,"message":"[1689665604:664402][14:0x7ff7eea7acc0], file:sizeStorer.wt, WT_SESSION.open_cursor: __wt_bm_corrupt_dump, 140: {0: 32768, 4096, 0x7a76f50f}: (chunk 3 of 4): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.664+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":0,"message":"[1689665604:664537][14:0x7ff7eea7acc0], file:sizeStorer.wt, WT_SESSION.open_cursor: __wt_bm_corrupt_dump, 140: {0: 32768, 4096, 0x7a76f50f}: (chunk 4 of 4): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.664+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":-31802,"message":"[1689665604:664552][14:0x7ff7eea7acc0], file:sizeStorer.wt, WT_SESSION.open_cursor: __wt_block_read_off, 295: sizeStorer.wt: fatal read error: WT_ERROR: non-specific WiredTiger error"}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.664+00:00"},"s":"E", "c":"STORAGE", "id":22435, "ctx":"initandlisten","msg":"WiredTiger error","attr":{"error":-31804,"message":"[1689665604:664559][14:0x7ff7eea7acc0], file:sizeStorer.wt, WT_SESSION.open_cursor: __wt_block_read_off, 295: the process must exit and restart: WT_PANIC: WiredTiger library panic"}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.664+00:00"},"s":"F", "c":"-", "id":23089, "ctx":"initandlisten","msg":"Fatal assertion","attr":{"msgid":50853,"file":"src/mongo/db/storage/wiredtiger/wiredtiger_util.cpp","line":481}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.664+00:00"},"s":"F", "c":"-", "id":23090, "ctx":"initandlisten","msg":"\n\n***aborting after fassert() failure\n\n"}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.665+00:00"},"s":"F", "c":"CONTROL", "id":4757800, "ctx":"initandlisten","msg":"Writing fatal message","attr":{"message":"Got signal: 6 (Aborted).\n"}}
Jul 18 09:33:24 {"t":{"$date":"2023-07-18T07:33:24.787+00:00"},"s":"I", "c":"CONTROL", "id":31431, "ctx":"initandlisten","msg":"BACKTRACE: 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...

Jul 18 09:33:25 /app/code/start.sh: line 18: 14 Aborted (core dumped) $mongod --noauth 2> /dev/null

Thanks, good to know, seems I got lucky nothing further broke in my case

Here the cloudron log:

Hey there,
at some point the mongo DB seems to have broken on my installation. I just noticed it, because the SSL certificates did not update automatically. Furthermore the app updates are stuck updating now. I checked the service tab, where the mongo DB stays on yellow and does not come up as it should.

In the logs I get the following:

I tried rebooting, updating Ubuntu to 20.04 and worked my way through some troubleshooting steps found here without luck. How can I get this fixed, without losing my data like here..?

Kind regards

@d19dotca Thank you, next time I will post in the right category

@girish I just gave it a test and it works like a charm! Thank you very much

Hey there,
I've been recently trying out Limesurvey. So far I enjoy it and it works quiet stable beside two issues I have not been able to fix until now.
I really tried hard to fix the issues by myself, but since I still wasn't able to achieve what I want, I am reaching out for help. Here the two issues of which on is rather critical.

• File Manager shows permission error upon loading.
  First I tried setting the permisions as told in the limesurvey documentation, but upon further searching I came across an open bug ticket (https://bugs.limesurvey.org/view.php?id=16212). Apparently it is a know bug and noone seems to really care... Since this the File Manger doesnt't work on their own demo (https://demo.limesurvey.org/index.php?r=admin/authentication/sa/login) I stopped searching and found a workaround.
  => In case you have a fix I'd be interested

• The critical one: Any other installed or extended Theme appears to be broken. I really want to change the default and extend a theme to make it my own. Upon opening an extended / imported / other installed theme, I get greeted with an error message in the preview window:

ERROR!
Calling "__tostring" method on a "stdClass" object is not allowed in "__string_template__b55aa4d0480829447d1e9202fbd9338e3599742834899f6fdab87be7c4eaab2b" at line 76.

When I choose a broken theme for a survey, the survey won't display properly and the page stays blank, with a 500 internal error in the console.
I spend multiple hours trying to fix the issue.
My findings so far:
It does not appear to be a permission problem, since I tried chmod 777 on the folders and files pointed out in the limesurvey documentation. My only lead so far could be a bug in the php version. I came across a limesurvey forum post (https://forums.limesurvey.org/forum/installation-a-update-issues/121252-theme-option-returns-ise-500-error-version-4-2-3-200511) where the user zlobocki pointed out that he had to change his php version from 7.4 down to 7.2. While limesurvey recommends to use version 7.4 (https://manual.limesurvey.org/Installation_-_LimeSurvey_CE) I still wanted to try it out since the container runs 7.3. Since the is mostly a read only filesystem, I was unable to change either the php version nor to modify the default themes to fit my needs (yeah I thought of that dirty trick...)

Long story short: is there anything I can do to fix the issue and make at least the themes work properly?

Sorry for the long text and thank you in advance!