Terminology

Terms that are most commonly used for the command-line interface (CLI) operations.

Abbreviations shows the terms and offers a brief description.
Table 1. Abbreviations
Name Object type
Host Refers to a single host.
Host cluster Refers to a host cluster (which is part of a server that shares a set of volumes).
Host object Refers to a list of worldwide port names WWPNs and iSCSI names.
Volume copy Referred to as vdiskcopy.
Thin-provisioned volume copy Referred to as sevdiskcopy.
Managed disk (MDisk) Referred to as MDisk.
MDisk group or storage pool Referred to as storage pool.
I/O group Referred to as iogrp.
Node, node canister, enclosure Refers to node or node canister or enclosure, depending on the system.
System or cluster Referred to as system.
VDisk or volume Referred to as volume.
Controller Refers to a controller that is part of a clustered system.
IBMFlashCopy mapping Referred to as fcmap.
IBM FlashCopy consistency group Referred to as fcconsistgrp.
Metro Mirror or Global Mirror relationship Referred to as rcrelationship.
Metro Mirror or Global Mirror consistency group Referred to as rcconsistgrp.
IBM HyperSwap mirroring consistency group Referred to as hyperswap.
Unsupported/unknown object unknown