[CentOS] shrink LV with ext3 filesystem

Thomas Antony thomas at antony.eu
Tue Sep 4 13:26:53 UTC 2007

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


Is it possible that i log into the server with ssh and umount only /var 
and then resize the logical volume?


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