Hardware manual

Group Administration Glossary
Glossary–2
array
(hardware) A PS Series storage array is a completely self-contained storage
unit that includes multiple disk drives
configured in a highly available RAID set with dual control modules and redundant power supplies and cooling
modules.
array serial number
(Auto-Snapshot Manager) A unique PS Series array id
entification string that is encoded in the array's hardware.
See service tag.
ASM/ME
(Auto-Snapshot Manager) Auto-Snapshot Manager/Microsoft Edition, a snap-in console applicati
on for the
Microsoft Management Console that enables you to administer Smart Copies.
ASM/VE
(Auto-Snapshot Manager) Auto-Snapshot Manager/VMware Edition, a web-based appl
ication that works with
VMware virtual environments to enable you to administer Smart Copies.
ASMCLI
(Auto-Snapshot Manager) A set of Smart Copy operation
commands that you can execute at the Windows
command prompt.
automatic RAID configuration
Internal process that configures the user-selected RAID policy on a member's disk array.
backup document
(Auto-Snapshot Manager) A file residing on the host tha
t
describes a Smart Copy on the PS Series array.
backup type
(Auto-Snapshot Manager) Specifies the backup behavior type that you want
to create, either copy or full. Microsoft
Exchange Storage Groups support only the copy backup type.
backup validation on startup
(Auto-Snapshot Manager) Automatically validate Smart Copies
when ASM is started.
bandwidth
Rate at which an I/O subsystem or component can transfer bytes of data. Also called the transfer rate
.
base volume
1. (Auto-Snapshot Manager) A PS series array volume mounted on the computer a
nd reachable through its
Windows-assigned drive letter (such as G:) or mount point.
2. (Group Manager) A volume that has snapshots. Snapshots depend on the base
volume. If the base volume is
destroyed, the snapshots have been removed.
broken smart copies
(Auto-Snapshot Manager) Smart Copies that ASM can no lon
ger validate.
CHAP
Challenge Handshake Authentication Proto
c
ol, a network login protocol that uses an encrypted challenge-response
mechanism. Used to limit access to volumes and snapshots to hosts that supply the correct account name and
password. CHAP is also used for login/administrator accounts. See access credentials.
CHAP account
An account that uses CHAP configured on an externa
l RADIUS server.