[CentOS] shrink LV with ext3 filesystem

Tue Sep 4 10:53:03 UTC 2007
Luciano Rocha <strange at nsk.no-ip.org>

On Tue, Sep 04, 2007 at 12:40:24PM +0200, Thomas Antony wrote:
>  Hi.
>  I want to make a snapshot from a logical volume and noticed that there must 
>  be enough free disk space in the volume group. Actually there is no   free 
>  disk space left.
>  How do i shrink online /var without losing any data or restore from backup? 

You can't shrink ext2/ext3 filesystems online. You'll have to schedule a

Another solution is to remove and use a file for swap (swapoff ... &&
lvremove ...), or reduce it (swapoff ... && lvreduce ... && mkswap && swapon).

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