HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 - (English) Advanc - Page 449
LVD-SCSI, LVM Logical Volume Manager, loop address, Major Event Log, mirrored disks, mirroring
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created on the same disk array. A numeric value is assigned to a LUN at the time it is created. LVD-SCSI Low voltage differential implementation of SCSI. Also referred to as Ultra2 SCSI. LVM (Logical Volume Manager) The default disk configuration strategy on HP-UX. In LVM one or more physical disk modules are configured into volume groups that are then configured into logical volumes. loop address The unique ID of a node in Fibre Channel loop topology, sometimes referred to as a Loop ID. Major Event Log A more detailed logging method implemented on HP08 and later firmware. Major event logging requires that the UTM be enabled. MIA Media interface adapter, a device that allows you to connect fiber optic cable to a copper wire connector. mirrored disks A mirrored disk is an exact copy of another disk. Mirrored disk are used when implementing the data redundancy technique of mirroring. See mirroring. mirroring A technique which creates data redundancy by maintaining a duplicate copy of all data stored on the disk array. The mirror copy of data is available if the disk containing the original data fails or becomes inaccessible. RAID 1 and RAID 0/1 LUNs use mirroring. 449 Glossary