September 3, 20241 yr Starting late July the utilization of my cache started growing to the point where I'm now getting alerts. From the console, it shows I'm using 384G, but when I use du it only shows 258GB in use. Where is my missing 130GB? root@laffy:/mnt/cache# df -h . Filesystem Size Used Avail Use% Mounted on /dev/sdd1 466G 384G 82G 83% /mnt/cache root@laffy:/mnt/cache# du -sh * 12K T_Media 258G appdata 249M smokeping I tried a reboot, but no change. I can't figure out was is using up disk space. The missing 130GB is about the amount of growth I've had since July. laffy-diagnostics-20240903-0838.zip
September 3, 20241 yr Community Expert The free space the GUI reports is correct, it's the same btrfs reports, and note that du is not reliable with btrfs, if you don't know what is using the extra space, you can start moving the data to another pool/array until you find out, vdisks are know to grow if they are not being trimmed, but looks like you don't have any.
September 3, 20241 yr Author Yeah, I'm aware how du reports space differently compared to the filesystem itself, but was not expecting that much variation. There is only on subdirectory taking up that much space (/mnt/user/appdata/plex/Library/Application Support/Plex Media Server/Media) and suspect that might be it (130GB right now). Going to work on offloading that directory off of cache.
September 3, 20241 yr Author I've moved that Plex Meda (metadata) directory to the array and monitoring for growth now.
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