[linux-lvm] a question about lvm in linux

[Jean-Luc Coulon (f5ibh)]

Alex,

Le 22.12.2005 14:10:12, alexli a écrit :
> Hello ,I am a linux user, because I am a Chinese ,so my English is not
> good
> ,please forgive me for language mistake. after I used the command
> -----
> lvextend ,I find that the logical volumn space is changed .but after I
> mount
> it to the file  system , and use the df command to see the filesystem,
> I
> find that the space of the file system is not changed .
> 
> I see your mail address in the "man lvextend" , and find that you are
> the
> author , so I wonder whether you can help me with this problem.

The adress you have found is the address of a mailing list. sistina has  
created the lvm system. Now this have moved to redhat et the mailing  
list adress is linux-lvm at redhat.com

About your problem, when you want to extend a filsystem which is on a  
logical volume, you need to:
- expand the logical volume first
- then expand the filesystem itself

lxextend command only extend the logical volume, not the filesystem.

For instance, in case of an xfs filesystem, the command to use is  
xfs_growfs.

There are command for most of the filesystems. Some have resctrictions  
: xfs cannot be schrink and must be mounted before expanded.

> 
> Thank you
> 
> 
> 
> Alex li

Best regards

Jean-Luc
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