HP 3PAR StoreServ 7400 2-node HP 3PAR SmartStart 1.1 User's Guide (QL - Page 56
Virtual Service Processor., matched-set VLUN, template, parity, physical disk, port-presents
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LD LUN matched-set VLUN template parity PCM physical disk port-presents VLUN template roles and rights Service Processor TPVV user data virtual copy virtual volume VLUN VLUN template VSP WWN Logical disk. A collection of chunklets that reside on different physical disks and that are arranged as rows of RAID sets. When you create a CPG, the system creates and groups logical disks and assigns those logical disks to the CPG. Logical Unit Number. A number used to access a virtual volume that has been assigned to a particular host on a particular port. A rule that allows a particular host connected to a particular port to see a virtual volume as a specified LUN. A data redundancy technique used by some RAID levels (in particular RAID 5) to provide data protection on a storage array. Power Cooling Module. A hardware component that includes the battery, fan, and power supply. A dual-ported Fibre Channel disk mounted onto a drive magazine. A VLUN template that allows any host connected to a particular port to see a virtual volume as a specified LUN. The roles and rights assigned to a user determine which tasks the user can perform with a system. A device inserted into a rack or virtual software that enables you to locally and remotely monitor and service systems. Thinly-Provisioned Virtual Volume. A virtual volume that maps to logical disk space associated with a Common Provisioning Group (CPG) and is therefore capable of growing on demand. For standard base volumes, the data that is written to the user space. A snapshot created using the copy-on-write technique. A virtual storage unit created by mapping data from one or more logical disks. Virtual logical unit number. A VLUN is a virtual volume-LUN pairing expressed as either an active VLUN or as a VLUN template. A rule that sets up the association between the name of the virtual volume and a LUN-host, LUN-port, or LUN-host-port combination. The three types of VLUN templates are host-sees, port-presents, and matched-set. Virtual Service Processor. World-Wide Name. A unique 64-bit value used to identify Fibre Channel devices on an arbitrated loop. The WWN consists of a prefix issued by the IEEE to uniquely identify the company and a suffix that is issued by the company. 56 Glossary