Glossary
CLI | |
| operating system responses. |
DLL | |
failover | A |
| Remote Copy volume group. |
FC | Fibre Channel. A network technology primarily used for storage networks. |
GUI | Graphical User Interface. |
heartbeat | A periodic synchronization signal issued by cluster software or hardware to indicate that a node |
| is an active member of the cluster. |
host | A computer that runs user applications and uses (or potentially uses) one or more virtual disks |
| that are created and presented by the array controller. |
JRE | Java Runtime Environment. |
LUN | Logical unit number. |
MSFC | Microsoft Failover Cluster |
quorum | In Windows clustering: A cluster resource that has been configured to control the cluster, |
| maintaining essential cluster data and recovery information. In the event of a node failure, the |
| quorum acts as a tiebreaker and is transferred to a surviving node to ensure that data remains |
| consistent within the cluster. |
SAN | Storage area network. A network of storage devices available to one or more servers. |
A state of data corruption that can occur if a cluster is | |
syndrome | site, and each subcluster assumes authority, starting the same set of applications and modifying |
| the same data. |
SPOCK | Single Point of Connectivity Knowledge website. SPOCK is the primary portal used to obtain |
| detailed information about supported HP StorageWorks product configurations. |
storage system | A synonym of storage array and virtual array. A group of disks in one or more disk enclosures |
| combined with controller software that presents disk storage capacity as one or more virtual disks. |
virtual volume | A virtual storage unit created by mapping data from one or more logical disks. |
volume group | A group of virtual volumes that are logically related and for which there is a |
| of writes. |
WWN | A 64- or |
28 Glossary