Mountain View Data delivers advanced storage software for continuous online access and global delivery of business critical data. The product line is based upon its network attached storage (NAS) software kit, MVD Powered NAS, a complete NAS operating system with snapshots, synchronization and other high availability features for networked storage. Computer manufacturers worldwide are integrating Mountain View Data software into their network storage solutions. MVD Powered NAS is an advanced operating system solution for network attached storage (NAS) appliances. It utilizes an advanced, modular architecture for the creation of customized high-performance file servers in multi-protocol client environments. MVD Powered NAS adopts MVD Snap as a core component to extend its Enterprise Ready journal file system. In addition, custom integration of logical volume management adds the ability to seamlessly enlarge an active data partition online without loss of access to data. Disk space can be allocated on a user-by-user basis using a quota mechanism that works with file sharing protocols such as NFS, CIFS (Microsoft Windows), and Apple Talk.