Ubuntu df not updating

This is an annoying problem on a lot of Linux distributions, and it can have several causes.

If you delete files from the filesystem, the command "df -h" might not show the deleted space as being available.

Can anyone offer suggestions on what might be going on here?

The server appears to be working without issue, but I want to make sure there's not a problem with the partition table, file systems or something else which might result in implosion (or explosion) later. I can't create files as a normal user so it does appear that it's the 5 percent buffer that's preventing catastrophe.

For 12.04 machines running the Trusty HWE kernel 3.13.0-55-generic #94~precise1-Ubuntu SMP, and Trusty machines themselves, the issue appears resolved..

I wonder if it still affects machines on 3.2.0-86 *if* they had previously upgraded to the regression kernel last week?

debug': Function not implemented Filesystem 1K-blocks Used Available Use% Mounted on /dev/vda1 7481832 4263012 2838764 61% / udev 371920 4 371916 1% /dev This is confirmed in an amd64 VM and on an amd64 system. This bug may be due to one of these commits: 7b0f287 kdb: fix incorrect counts in KDB summary command output df438af debugfs: leave freeing a symlink body until inode eviction I'll build a test kernel with these two commits reverted before starting the bisect process. Can you test each of these kernels and see which one resolves the bug?

ubuntu df not updating-83ubuntu df not updating-55

Also keep in mind that there will, by default, be a 5% block reservation for the super-user per blockdevice (in short: for every seperate partition on a hard disk in your system). On Linux deleted yet open files are known to lsof and marked as (deleted) in lsof's output.You can check this with 5% (by default) of the filesystem is reserved for cases where the filesystem fills up to prevent serious problems. Nothing catastrophic is happening because of the 5% buffer -- root is permitted to use that safety buffer and, in your setup, non-root users have no reason to write into that filesystem./usr ) and/or increase the On of the most common causes of disappearing disk space is a back up saved to the wrong location.Improperly designating the back up location is a frequent cause.It can also be the result of a file saved to a mount point on which no device, such as a back up drive, is mounted.

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