IBM's new grid storage system is the industry’s first single-architecture storage system, providing a high level of performance, reliability and features, along with management simplicity and exceptional TCO.
http://www.xivstorage.com
Sun's range of storage subsystems, from NAS to SAN - including VTL, provide a full range of industry proven capabilities.
http://www.sun.com/storage/index.jsp
The IBM SAN Volume Controller (SVC) provides storage virtualization technology that allows the ability to optimise SAN storage capacity use in a heterogeneous environment. Live migration of data between storage arrays, thin provisioning, local and remote data replication are all facilities provided by this market leading product.
http://www-03.ibm.com/systems/storage/softwar...
Long renowned as the leading NAS supplier NetApp has a comprehensive product line from departmental NAS storage to virtual tape libraries.
http://www.netapp.com/us/products/storage-sys...
These storage arrays, often in conjunction with an IBM SVC, provide a powerful storage environment in which the implementation of a tiered storage approach becomes almost trivial.
http://www.ibm.com/storage/disk
From XP high-end disk subsystems to disk storage enclosures, from virtual tape libraries to single DLT tape drives Hewlett Packard provide a complete suite of storage products.
http://welcome.hp.com/country/nz/en/prodserv/...
The BSD based NAS appliance. FreeNAS is a free NAS server, supporting: CIFS (samba), FTP, NFS, AFP, RSYNC, iSCSI protocols, S.M.A.R.T., local user authentication, Software RAID (0,1,5) with a Full WEB configuration interface.
http://www.freenas.org/
Openfiler is a Linux based NAS appliance. Openfiler supports: CIFS, FTP, NFS, iSCSI, local user authentication and Software RAID with a web interface.
http://www.openfiler.com/