Hardware manual

Group Administration Glossary
Glossary–9
secondary group
(Group Manager) In a replication configuration, the group that
receives replicas of a source volume. See primary
group.
service tag
(Group Manager) A unique ID assigned by Dell to particular equipment, for use by customer se
rvice
.
sessions
(Group Manager) In an multipath configuration, the number of connect
ions made to targets that span multiple
members. The number of sessions can be configured to manage bandwith use.
shrink (volume)
(Group Manager) Decreasing the reported size of a volume.
Smart Copy
(Auto-Snapshot Manager) Point-in-time, application-consistent copy of objects in a PS Series group. Smart Copies
can be
of type snapshot, cl
one, or replica, depending on the edition of Auto-Snapshot Manager that you are using.
snapshot
A point-in-time representation of a PS Series iSCSI volume. Seen
on the network as an iSCSI target. This is
maintained in an array as deltas from the original volume.
snapshot collection
A set of snapshots resulting from a snapshot operation on a volume collection. S
ee volume collection.
spare disk
(hardware) An unused disk in a PS Series array that is used automatically to
replace a failed disk.
storage pool
(Group Manager) See pool.
template volume
Read-only volume from which you create thin clones.
thin clone
Volume that shares space with a template volume. Thin
c
lones provide an efficient use of storage space for
configurations with multiple volumes that have a large amount of common data.
thin provisioning
(Group Manager) The process optimizing use of storage space in a gro
up through over-allocation. An object (such
as a volume) is attributed less physical space than is reported by the group to any computer that is connected to the
volume.
torn Smart Copy
(Auto-Snapshot Manager) The resulting Smart Copy that contains only partial dat
a. The partial data set is referred
to as torn because it does not contain all the files in a particular data set. This situation can occur when you attempt
to do a Smart Copy of data sets that span multiple volumes.
transportable
(Auto-Snapshot Manager) A characteristic of a Smart Copy that ena
bles it to be created on one computer and then
moved to another computer to be used.
unmanaged space
Delegated space capacity on the secondary group that
is no longer accessible from the primary group.
vacate
(Group Manager) To remove a member from a group while the member remains online.