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[Linux-cluster] GFS problem with du and df



Hello,

I hava 5 node cluster with GFS filesystem. One of the partition is used to share indexes for Apache Lucene search engine - http://lucene.apache.org/java/docs/ across 5 application nodes.
The problem is that "du" command show different output than "df".
"du" output is correct, I'm sure that there is only 15M data.
The strangest thins is that "df" output of used space grows from minute to minute.

Here is the output of du, df, and mount.
[root repo05 ~]# df /datafs/search-indexes/
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/cluster_116550929916-lucene
4980192 3169396 1810796 64% /datafs/search-indexes
[root repo05 ~]# du -sh /datafs/search-indexes/
15M     /datafs/search-indexes/
[root repo05 ~]# mount | grep search
/dev/mapper/cluster_116550929916-lucene on /datafs/search-indexes type gfs (rw,noatime,nodiratime)
[root repo05 ~]#

Any ideas?

Best Regards
Maciej Bogucki


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