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From: Alexander Gruber <alex@gruber.cn>
To: Valdis.Kletnieks@vt.edu
Cc: reiserfs-list@namesys.com
Subject: Re: disk runs full
Date: Fri, 13 May 2005 00:23:04 +0200	[thread overview]
Message-ID: <4283D747.1070606@gruber.cn> (raw)
In-Reply-To: <200505121510.j4CFAJdk012045@turing-police.cc.vt.edu>

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I already thought of this too but the output doesn´t look like as if 
there are over 3GB not closed yet. Before the reboot i did a few minutes 
ago only /dev/null was opened several times. I would say about 30-40 
instances.


Valdis.Kletnieks@vt.edu wrote:

>On Thu, 12 May 2005 13:50:31 +0200, Alexander Gruber said:
>  
>
>>I checked it with du -sh * on the root partition and the result was much 
>>smaller than the used space reported by df.
>>    
>>
>
>Note that temporary files are often creat()ed and then unlink()ed, leaving
>the open file descriptor as the last reference.  You should probably run
>'lsof' or similar tool.  On my laptop at the moment:
>
>lsof -n | grep dele
>cardmgr    2207       root    3u   CHR      254,0                5556 /dev/cm-2123-2 (deleted)
>cardmgr    2207       root    4u   CHR      254,1                5559 /dev/cm-2123-5 (deleted)
>cardmgr    2207       root    5u   CHR      254,2                5562 /dev/cm-2123-8 (deleted)
>exmh       7142     valdis   10u   REG       0,16        0      74035 /tmp/tclfG25oV (deleted)
>gconfd-2   7805     valdis   13wW  REG       0,16      641      44735 /tmp/gconfd-valdis/lock/0t1115905590ut151063u967p7805r252866408k3219173544 (deleted)
>aspell     9481     valdis    2u   REG       0,16        0      74035 /tmp/tclfG25oV (deleted)
>
>So there's 2 open but unlinked files on /tmp, and du and df will show up different
>values. (Note that exmh did an open() of a file, unlinked it, and then passed
>the open file descriptor to aspell as stdin - so that space will be reclaimed
>once *both* of those processes have done a close() on the file descriptor).
>  
>

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  reply	other threads:[~2005-05-12 22:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-12 11:50 disk runs full Alexander Gruber
2005-05-12 15:10 ` Valdis.Kletnieks
2005-05-12 22:23   ` Alexander Gruber [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-05-11 22:15 Alexander Gruber
2005-05-12  7:30 ` Vladimir Saveliev

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