Disk full / NFS, df, and du

[Eric Anderson]

Jerry McAllister wrote:

>>Nelis Lamprecht wrote:
>>
>>    
>>
>>>On Mon, 2004-05-17 at 05:04, Eric Anderson wrote:
>>>
>>> 
>>>
>>>      
>>>
>>>>The problem I'm having is, after they do the rm's, it doesn't free the 
>>>>disk space.  df shows it still being used, but du claims their 
>>>>directories are empty. 
>>>>   
>>>>
>>>>        
>>>>
>>>Please see 
>>>
>>>http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#DU-VS-DF
>>>
>>>..regarding this. Maybe a kill -HUP nfsd might help ?
>>> 
>>>
>>>      
>>>
>>Actually, no.  In fact, I just did a quick test, with a 500mb file, and 
>>as root, I deleted the 500mb, and my df doesn't report the newly freed 
>>space - I did this locally, with no NFS in the mix..  I have softupdates 
>>turned on, and quotas turned on (although I just recently turned on the 
>>quotas after having this problem, so that isn't causing problems).. 
>>    
>>
>
>How long after the rm did you do the df?   I have noticed that there
>is a time delay before df reports the updated disk statistics - in the 
>range of a minute or two.  I think I read about it in a FAQ somewhere, 
>so, maybe the reference someone else posted will shed some light.
>  
>
This particular time I waited a few minutes, but I have waited 1.5 days 
for the other data to disappear.  I end up rebooting the server, which 
ends up fsck'ing the disk with lots of unreferenced inodes or some such 
thing.. I get my space back, but a reboot is needed.. not good.

Eric

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Eric Anderson     Sr. Systems Administrator    Centaur Technology
Today is the tomorrow you worried about yesterday.
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