[Linux-cluster] lvreduce Gfs volumn

[nattapon viroonsri]

rhel4.0, rhcs4.0 , gfs6.1
I try to reduce size of  logical volume contain gfs file system with 
lvreduce command and have no any error.
Check with vgdisplay free extent has increased as expect and output of 
lvdisplay show that size of logical volumn
has decrease correctly.

But when i issue df command show that size of gfs file system still have the 
same size before i use lvreduce.
Do i have to do something before issue lvreduce ?

I have found only gfs_grow to expand file system.
Have any tool to shrink gfs file system before lvreduce ?

Nattapon,
Regards

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