LDAP
lightweight directory access protocol
LDEV
logical device
LDKC
See logical disk controller (LDKC).
LDM
Logical Disk Manager
license key
A specific set of characters that unlocks an application and allows it to be
used.
local control port (LCP)
A serial-channel (ESCON) port configured to receive I/Os from a host or
remote I/Os from a TrueCopy main control unit (MCU).
local copy
See in-system replication.
local storage system
A storage system connected to the management client.
logical device (LDEV)
An individual logical data volume (on multiple drives in a RAID
configuration) in the storage system. An LDEV may or may not contain
any data and may or may not be defined to any hosts. Each LDEV has a
unique identifier or "address" within the storage system composed of the
logical disk controller (LDKC) number, control unit (CU) number, and LDEV
number. The LDEV IDs within a storage system do not change.An LDEV
formatted for use by mainframe hosts is called a logical volume image
(LVI). An LDEV formatted for use by open-system hosts is called a logical
unit (LU).
logical disk controller (LDKC)
A group of 255 control unit (CU) images in the RAID storage system that
is controlled by a virtual (logical) storage system within the single
Glossary 395
System Administrator Guide for VSP Gx00 models and VSP Fx00 models
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