Param – HP 4000.6000.8000 Enterprise Virtual Arrays User Manual
Page 157
multi-mode fiber
A fiber optic cable with a diameter large enough (50 microns or more) to allow
multiple streams of light to travel different paths from the transmitter to the
receiver. This transmission mode enables bidirectional transmissions.
Network Storage
Controller
See
.
NONCRITICAL
Condition
A drive enclosure EMU condition report that occurs when one or more elements
inside the enclosure have failed or are operating outside of their specifications.
The failure does not affect continued normal operation of the enclosure. All
devices in the enclosure continue to operate according to their specifications.
The ability of the devices to operate correctly may be reduced if additional
failures occur. UNRECOVERABLE and CRITICAL errors have precedence over
this condition. This condition has precedence over INFORMATION condition.
Early correction can prevent the loss of data.
node port
A device port that can operate on the arbitrated loop topology.
non-OFC (Open
Fibre Control)
A laser transceiver whose lower-intensity output does not require special open
Fibre Channel mechanisms for eye protection. The Enterprise storage system
transceivers are non-OFC compatible.
NSC
Network Storage Controller. The HSV Controllers used by the Enterprise storage
system.
NVRAM
Nonvolatile Random Access Memory. Memory whose contents are not lost when
a system is turned Off or if there is a power failure. This is achieved through
the use of UPS batteries or implementation technology such as flash memory.
NVRAM is commonly used to store important configuration parameters.
occupancy alarm
level
A percentage of the total disk group capacity in blocks. When the number of
blocks in the disk group that contain user data reaches this level, an event code
is generated. The alarm level is specified by the user.
OCP
Operator Control Panel. The element that displays the controller’s status using
indicators and an LCD. Information selection and data entry is controlled by
the OCP push buttons.
online/nearonline An online drive is a normal, high-perfomance drive, while a near-online drive
is a lower-performance drive.
operator control
panel
See
.
OpenView Stor-
age Management
Server
A centralized, appliance-based monitoring and management interface that
supports multiple applications, operating systems, hardware platforms, storage
systems, tape libraries and SAN-related interconnect devices. It is included and
resides on the SANWorks Management Server, a single aggregation point
for data management.
param
That portion of the HSV controller termination code display that defines:
•
The 2-character parameter identifier that is a decimal number in the 0
through 30 range.
•
The 8-character parameter code that is a hexadecimal number.
See also
and
password
A security interlock where the purpose is to allow:
•
A management agent to control only certain storage systems
•
Only certain management agents to control a storage system
PDM
Power Distribution Module. A thermal circuit breaker-equipped power strip that
distributes power from a PDU to Enterprise Storage System elements.
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