Increasing space waspartitioning new installation

[Meng Cheah]

Fraser Campbell wrote:

Really, if you use a filesystem that supports online resize then even / 
is trivial to grow ... reiserfs and xfs can both be resized without 
unmounting the partition.

Here's my home schema:

   Filesystem               Size  Used Avail Use% Mounted on
   /dev/mapper/vg0-root     512M  272M  241M  53% /
   /dev/md0                 126M   82M   45M  65% /boot
   /dev/mapper/vg0-home      40G   25G   16G  61% /home
   /dev/mapper/vg0-tmp      768M  403M  366M  53% /tmp
   /dev/mapper/vg0-usr      3.0G  2.6G  506M  84% /usr
   /dev/mapper/vg0-var      4.0G  304M  3.8G   8% /var
   /dev/mapper/vg0-backups   30G   28G  2.9G  91% /var/backups

I have done online resize of quite a few servers, even hotplugging 
disks, configuring hardware RAID and adding completely new storage to 
LVM without shutdown.

######################################################################

Can Ext2 and Ext3 filesystems be re-sized without unmounting in LVM?

Already mentioned in this thread are mounting with the -bind option, symlinking and quotas.
Other than LVM, is there any other way to increase space without unmounting the partition/disk?

Thanks in advance.




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