> 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 . The filesystem needs to be extended independently of the underlying block device. You will need to look at the man pages for the filesystem you are using. For example, xfs_growfs for xfs and ext2online for ext2/ext3. Hope this helps, Graham _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/