On 3/15/21 12:55 AM, Steve Litt wrote:
> Wait!!!
>
> Make sure you run only a non-destructive fsck. If the non-destructive
> fsck shows no problem, do the following...
>
> First run the sync command. The sync command forces all caches to be
> written to their respective files.
>
> If they're on a removeable drive, my next step after sync would be to
> unmount the drive. Then physically disconnect it. Then physically
> reconnect it. Then remount it. Then do your df -h.
Already did this.  See my original post.
> Also, if your removeable drive is some sort of SSD, you might need to
> do fstrim, although I swear I remember space deleted but not yet
> trimmed doesn't count in df. But I could be wrong.
Removable spinning disk.
>
> SteveT
>
>
> Ludovic Bellière said on Mon, 15 Mar 2021 04:33:37 +0100
>
>> Run fsck to make sure your disk isn't corrupted or damaged. Afterward,
>> your lost+found might get populated with the stuff that occupies the
>> space, done so in order for you to review.
>>
>> On Sun, 14 Mar 2021 20:10:03 -0700
>> Marc Shapiro via Dng <dng@???> wrote:
>>
>>> I had some large files (over 200GB in total size) that I no longer
>>> needed.  So I removed them.  They no longer show up in the
>>> directory. However, df, still shows the space as being used.  I
>>> understand that if processes are still using the files they will not
>>> be removed until the processes either release them, or are shut down
>>> (or killed).  I have tried using 'lsof -a -L1 MOUNTPOINT' to list the
>>> open, but deleted files.  It returns no files at all.
>>>
>>> These files are on a removable drive.  I can unmount the partition
>>> and disconnect the drive, then reconnect the drive and remount the
>>> partition, but the space still shows as being used. If the files are
>>> still open, shouldn't 'umount' give an error?
>>>
>>> I would rather not have to shut down the system.  Is there some
>>> other way to determine what is keeping these files open, or
>>> otherwise preventing the space from being reclaimed?
>>>
>>> Marc
>>>
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