Filesystems, Devices, Etc

NFS v4:

• Learning NFSv4 with Fedora Core 2 (Linux 2.6.5 Kernel) by Van Emery.
• Gentoo HowTo on NFSv4.
• NFSv3 to NFSv4 Migration Guide, by Vincent Roqueta, 2005/12/06.

Cluster filesystems:

• GNBD and GFS; OpenGFS
• Lustre
• PVFS

Etc:

• DRBD can be used to mirror file-systems across a network; it is done by mirroring a (whole) block device. Think of it as Raid-1 across a network.
  
  
• Software RAID
  
  
• iSCSI
  
  
• ATAoE

Volume management:

• EVMS
• LVM2