Logical Volume Manager in Linux allows you to add physical disks to groups and then assign those groups to directories on disk. You can grow or shrink groups as you need to, and groups can span multiple physical disks. I'm using Debian Wheezy.

Definitions

• A volume group (VG) gathers together …

If you've made a change to /etc/exports, you can tell NFS to read the file again without disrupting any existing sessions using:

# exportfs -a

References

• http://www.isnull.com.ar/2010/02/refresh-etcexports-without-restart.html

I have installed a 3TB disk on Linux, but fdisk isn't up to the job of creating partitions on it.

I need to use parted

# parted /dev/sdc
GNU Parted 2.3
Using /dev/sdc
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt                                                      
(parted) mkpart …