SAN management

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  • logical unit number (LUN)

    A logical unit number (LUN) is a unique identifier used to differentiate separate devices (each of which is a logical unit) as addressed by a SCSI, iSCSI or Fibre Channel (FC) protocol. 

  • LUN masking

    LUN masking is a further constraint added to zoning, subdividing access to the port so that only LUNs authorized to access a specific server can access the corresponding port. 

  • virtual storage area network (VSAN)

    A virtual storage area network (VSAN) is a logical partition in a storage area network (SAN). VSANs allow traffic to be isolated within specific portions of a storage area network. 

  • enterprise storage

    Enterprise storage is a centralized repository for business information that provides common data management and protection, as well as data sharing functions, through connections to numerous (and possibly dissimilar) computer systems. 

  • virtual SAN appliance (VSA)

    A virtual SAN appliance (VSA) is a software bundle that allows a storage manager to turn the unused storage capacity in his network's virtual servers into a storage area network (SAN). 

  • InfiniBand

    InfiniBand is an architecture and specification for data flow between processors and I/O devices. The technology is most often used in high-performance computing (HPC) environments... (Continued) 

  • virtual provisioning

    Virtual provisioning is a term used by vendors, such as EMC, to describe a process of efficiently provisioning space in storage area networks (SAN). (Continued...) 

  • storage area network (SAN)

    A storage area network (SAN) is a high-speed special-purpose network (or subnetwork) that interconnects different kinds of data storage devices with associated data servers on behalf of a larger network of users. 

  • RAID (redundant array of independent disks)

    RAID (redundant array of independent disks; originally redundant array of inexpensive disks) is a way of storing the same data in different places (thus, redundantly) on multiple hard disks. By placing data on multiple disks, I/O (input/output) oper... 

  • storage consolidation

    Storage consolidation, also called storage convergence is a method of centralizing data storage among multiple servers.