linux-ext4 - [Bug 31542] New: ext4 : "No space left on the device" persists even when I deleted more than 40GB of data

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Message-ID: <bug-31542-13602@https.bugzilla.kernel.org/>
Date:	Sun, 20 Mar 2011 23:08:53 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 31542] New: ext4 : "No space left on the device" persists even
 when I deleted more than 40GB of data

https://bugzilla.kernel.org/show_bug.cgi?id=31542

           Summary: ext4 : "No space left on the device" persists even
                    when I deleted more than 40GB of data
           Product: File System
           Version: 2.5
    Kernel Version: 2.6.37.2
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: ext4
        AssignedTo: fs_ext4@...nel-bugs.osdl.org
        ReportedBy: tavvva@...ny.cz
        Regression: No

1.) I recently filled my data partition full and got an error dialog, that
there's no space left on the device (Resume, Retry, Skip, Abort, ... don't
remember exactly)
2.) I used different terminal in order to move some of the big files (more than
40GB in total) from the affected partition to a different harddrive. But df was
still showing 0 bytes available.
3.) Even of that I tried to resume the copying mentioned in point 1.) and it
worked ... the copying was finished successfuly. What a magic!
4.) The situation changed after the reboot. I cannot copy new files to the
affected partition anymore even if there must be at least 30GB of space left.

This is what df returns:
-------------------------
Filesystem    1K-blocks    Used        Available    Use%    Mounted on
/dev/md6    1209519868    1175334268    0        100%    /mnt/data

The difference between total and used blocks gives more than 32GB and I'm sure
that yesterday this space was filled with data.

I'm willing to do any non-destructive tests and collect any debug logs You need
in order to find the root cause of this issue.

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