This is a discussion on Re: du and df don't agree - FreeBSD ; Jille Timmermans wrote: > Probably some file descriptor to an unlinked file is still open. > The space on disk will be freed when the last descriptor is closed. > and because there is no file linked to the data, ...
Jille Timmermans wrote:
> Probably some file descriptor to an unlinked file is still open.
> The space on disk will be freed when the last descriptor is closed.
> and because there is no file linked to the data, du can't see it.
> (iirc MySQL does this in some situaties when using temp-tables or
> rebuilding tables)
> -- Jille
> Stephen Clark wrote:
>> Why would du show 630k used by /tmp while df show 161M used
>> by /tmp?
>> # du -sh /tmp
>> 630K /tmp
>> # df -h
>> Filesystem Size Used Avail Capacity Mounted on
>> /dev/ad0s1a 94M 41M 45M 47% /
>> devfs 1.0K 1.0K 0B 100% /dev
>> /dev/ad0s1e 193M 161M 17M 91% /tmp
>> ... remaining fs info removed
>> # uname -a
>> FreeBSD 6.1-STABLE FreeBSD 6.1-STABLE
>> I have run fstat /tmp and can't find any files that are using
>> the space that df is claiming as being used.
Thanks, I managed to find the offending process with fstat and kill it.
Filesystem Size Used Avail Capacity Mounted on
/dev/ad0s1e 193M 666K 177M 0% /tmp
$ du -sh /tmp
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