November 21, 20205 yr I am running unraid 6.8. I am having problems shutting down, and problems with the cache system. Here is the the background: 1. Having problems with two drives of the 4 drive cache pool, occasionally getting remapped sectors, so I decide to replace them. 2. Shut down VMS 3. Set all drives to use cache. Cache files are now on array, cache is pretty much empty. In the middle, realized I forgot to shut down dockers so I did that, but stuff moved anyway. 4. Swapped one of the two SSDs I wanted to replace, started the array. Kept getting that it was finding extents 1. This fills up the syslog file in the other drive that wasn't replaced. I decide to replace that as well. Unraid get stuck on shutdown, last message is "Turning off swap". I wait several hours and this message is still there. 5. Did hard reset, and then array rebuilds after 20 hours. Still getting the "extents" messages, endless. I decide I am going to remove the pool, I try and shut down the array, but it never gets past the unmounting phase. I don't have any terminals open, nor screens. Also, VMs and Dockers still disabled. 6. I decide to open up a terminal and do a powerdown. Same result as before, error turning off swap. One thing I should mention, I have tried to generate a diagostics file before, but it never generates. I don't know if its the browser or not. Can someone provide me with some advice? Could the cache drives be causing the problem? What happens if I remove them all? Can I use that as a way to reset the pool? Maybe I could reformat them on my windows machine.
November 21, 20205 yr Author Well, I just decided that if it was already moved off, I would take each cache disk and put them on my PC. I "deleted" the partition for each drive, but did not add partition and reformat. I also made the array not auto-start and then added in the new cache drive and formatted it. Odd that it said the old drives were okay, but it said that they had an unknown format. Problem seems to be gone and the computer shuts down properly. I am currently moving stuff back.
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