A lot of unaccounted for "other" space

[Swindiff]

Hi

I am using Drivepool on 3 separate PC's.  One of them seems to have a lot of "other" space that I can't account for.

PC1 has a 109 TB pool, 95.1 TB on unduplicated used space and 13.4 GB of "other"

PC2 has a 61.9 TB pool, 34.1 TB of unduplicated space and 6.34 GB of "other"

PC3 has a 80.1 TB pool, 67.8 TB of unduplicated space and 640 GB of "other"

None of the drives that make up these pools have any files outside of the pools folder.

If you look at the images below, the worst culprit is drive H with 464GB of "other" space, but as you can see there are no folders or files stored on this drive which are outside the pool folder.  I have tried remeasuring, and reinstalling the software and selecting repair, neither made any difference.

Thanks

[Shane]

Hi Swindiff. If you try examining H: drive with WinDirStat 2.5.0 or higher (https://windirstat.net), in elevated mode, does it reveal anything hidden taking up space (e.g. System Volume Information) inside or outside the poolpart)?

[Gonzo]

In my case, whenever I see "Other" on one of my drives the first thing I check is System Restore. Even thought it says "Off" on all my drives, I click on the suspect drive, in your case drive H and click "Configure." I usually find that the "Disk Space Usage" is set to some arbitrary number other than zero chosen by Windows. I slide it back to zero and the "Other" usually disappears.

[Swindiff]

Thanks both for your replies.  System restore is turned off for all drives except the C Drive

WinDirStat has indeed found a load of files related to checkdisk that I cant see in explorer even with show hidden files turned on.  Thanks for that Shane.  Is it safe to delete eveything in the found.000 folder?  What about all these other hidden files?

[Shane]

A found.000 folder (or found.001, found.002, etc) is a hidden system folder created by Windows via CHKDSK if it recovers file fragments after a crash, power loss, removing a drive too early, a disk going bad, etc. It contains .chk files, which can be lost files or parts of files. Sometimes CHKDSK can find old files/data that it thinks were lost when  in fact they were purposefully deleted.

It's safe to delete in the sense that doing so won't affect the current running of your system, but if your files are not all where they should be / intact you may want to keep it for recovery purposes.

As for the other hidden system files/folders they should all be left as they are.