Hardware manual

Group Administration Glossary
Glossary–8
RAID policy
The type of RAID level (such as RAID 10 or RAID 6) that yo
u configure for a member, coupled with the sparing
policy (spares or no spares).
read-only account
(Group Manager) An administration account that only provide
s read-only access to group information.
recovery volume
Temporary volume created by promoting an inbound replica set as
part of a failover operation. You can also create
recovery template volumes and recovery thin clones. See promote.
replica
A point-in-time representation of a PS Series volume. The original volume and its replica are located on different
PS
Series groups (replication partners) potentially separated at some geographical distance to facilitate disaster
tolerance.
replica collection
(Group Manager) The set of replicas resulting from each replication of a volume collection.
r
eplica collection set
(Group Manager) The set of replica collections for a volume collection.
r
eplication partner
(Group Manager) A group that is configured to send or receive replic
as from another partner.
replica reserve
(Group Manager) Portion of the delegated s
pace on a replication partner that is set aside for the replica sets for a
specific volume. You configure the replica reserve for the volume on the primary group, but the actual replica
reserve is on the secondary group.
replica set
(Group Manager) Set of complete replicas for a volume, template volume, or thin
clone volume.
replication
(Group Manager) Copying volume data (only d
eltas) from the primary group, where the volume is stored, to the
secondary group. Groups can be an unlimited distance apart. You can recover data from the secondary group, if
necessary.
restore
1. (Auto-Snapshot Manager) The process of recovering data from a Smart Copy.
2.
(Group Manager) The process of restoring the contents of a volume from a snapshot.
RSW
(HIT) Remote Setup Wizard, a graphical user inte
rface
(GUI) that enables you to configure a PS-Series array after
you install the Host Integration Tools.
SAN HeadQuarters
(SAN HQ) Enables you to monitor multiple PS Se
ries groups from a single graphical interface. It gathers and
formats performance data and other important group information.
secondary control module
(hardware) Mirrors cache data from the active control module. If the
active control module ceases to function, the
secondary takes over network operations. See active control module.