auto-delete priority
As the storage capacity reaches its limits,
snapshots are automatically deleted to
make more space. The deletion takes
place according to the value set for each
snapshot, as follows:
1
last to be deleted
4
first to be deleted
Each snapshot is given a default auto
delete priority of
1
at creation.
B
basic mode
A means of entering XCLI commands on
the XCLI client that requires specifying IP
address and login information for each
command. Additional output formatting
options are available in basic mode.
best effort mode
A mode of remote mirroring in which I/O
operation is not suspended when
communication between a primary and
secondary volume is broken.
C
call home
A communication link established
between the storage product and a service
provider. The storage product can use this
link to place a call to IBM or to another
service provider when it requires service.
With access to the machine, service
personnel can perform service tasks, such
as viewing error logs and problem logs or
initiating trace and dump retrievals.
clearing events
The process of stopping the recurring
event notification of alerting events.
CLI
The IBM XIV command-line interface
(XCLI). See
Command line interface (CLI)
command line interface (CLI)
The nongraphical user interface used to
interact with the system through set
commands and functions. The IBM XIV
command-line interface (XCLI) for the
IBM XIV Storage System.
completion code
The returned message sent as a result of
running CLI commands.
consistency group
A cluster of specific volumes that can all
be snapshotted simultaneously as a
group, thus creating a synchronized
snapshot. The volumes in a consistency
group are grouped into a single volume
set. The volume set can be snapshotted
into multiple snapshot sets under the
specific consistency group. See also
snapshot set
,
volume set
.
coupling
A primary volume and a secondary
volume connected together through
mirroring definitions.
D
data availability
The degree to which data is available
when needed, typically measured as a
percentage of time that the system would
be capable of responding to any data
request (for example, 99.999% available).
data module
A module dedicated to data storage. A
fully-configured rack contains 9 dedicated
data modules, each with 12 disks.
default storage pool
The default storage pool when a volume
is created.
destination
See
event destination
.
E
escalation
A process in which event notifications are
sent to a wider list of event destinations
because the event was not cleared within
a certain time.
event destination
An address for sending event
notifications.
event notification rule
A rule that determines which users are to
be notified, for which events and by what
means.
event notification
The process of notifying a user about an
event.
event
A user or system activity that is logged
(with an appropriate message).
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