[CentOS] HDD usage oddity

[redhat at mckerrs.net]

----- Original Message ----- 
From: "Ugo Bellavance" <ugob at lubik.ca> 
To: centos at centos.org 
Sent: Thursday, November 22, 2007 10:37:31 AM (GMT+1000) Australia/Brisbane 
Subject: [CentOS] HDD usage oddity 

Hi, 

2 of my Centos4 servers are showing weird behavior. 

[root at server1 ~]# du -sh /var/ 
1.8G /var/ 
[root at server1 ~]# df -h /var 
Filesystem Size Used Avail Use% Mounted on 
/dev/sda7 4.3G 3.9G 181M 96% /var 

[root at server2 var]# df -h /var 
Filesystem Size Used Avail Use% Mounted on 
/dev/sda7 2.9G 2.7G 0 100% /var 
[root at server2 var]# du -sh /var/ 
1.6G /var/ 

du seems to be reporting the right size 

Anyone seeing this? 

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Did you recently tidy up /var by deleting some files ? I think I've seen this sort of behaviour when you, for example, move and compress /var/log/messages without restarting syslog. It would seem that the storage isn't freed up until any process using it is restarted. 



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