HP EVA3000 User Manual Page 153

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multi-mode ber A ber optic cable with a d iameter 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 NSC.
NONCRITICAL
Condition
A drive enclosure EM U condition report that occurs when one or more elements
inside the enclosure have failed or are operating outside of their specications.
The failure do es not affect continued normal operation of the enclosure. All
devices in the enclosure continue to operate according to their specications.
The ability of the devices to operate corre ctly may be reduced if additional
failures o ccur. UNRECOVER ABLE a nd 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 op erate on the arbitrated loop topology.
non-OFC (O pen
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 Memor y. Memory whose contents are not lost when
asystemisturnedOfforifthereisapowerfailure. Thisisachievedthrough
the use of UPS batteries or implementation technology such as ash memory.
NVRAM is commonly used to store important cong uration 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 specied 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 OCP.
OpenView Stor-
age Management
Ser ver
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 d enes:
The 2-character parameter identier that is a decimal number in the 0
through 30 range.
The 8 -character parameter code that is a hexadecimal number.
See also IDX and TC.
password A security interlock where the pu rpose 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.
HP StorageWorks 3000/5000 Enterprise Virtual Array user guide (VCS 4.xxx)
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