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Fusion-MPT architecture
F
Fusion-MPT
An acronym for Fusion-Message Passing Technology architecture. Fusion-MPT consists of
architecture
several main elements: Fusion-MPT firmware, the Fibre Channel and SCSI hardware, and the
operating system level drivers that support these architectures. Fusion-MPT architecture offers
a single binary, operating system driver that supports both Fibre Channel and SCSI devices.
G, H
host
The computer system in which a RAID adapter is installed. It uses the RAID adapter to transfer
information to and from devices attached to the SCSI bus.
host adapter
A circuit board or integrated circuit that provides a device connection to the computer system.
board
host bus
A piece of hardware that connects a host to network and storage devices.
adapter
hot spare
An idle, powered-on, standby drive that is ready for immediate use in case of drive failure. A
hot spare does not contain any user data. A hot spare can be dedicated to a single redundant
array or it can be part of the global hot‐ spare pool for all arrays managed by the adapter.
When a drive fails, the adapter firmware automatically replaces and rebuilds the data from
the failed drive to the hot spare. Data can be rebuilt only from virtual drives with redundancy
(RAID levels 1, 5, 6, 10, 50, and 60; not RAID level 0), and the hot spare must have sufficient
capacity.
I
internal SAS
A SAS device installed inside the computer cabinet. These devices are connected using a
device
shielded cable.
J, K, L, M
main memory
The part of computer memory that is directly accessible by the CPU (usually synonymous with
RAM).
N
NVRAM
Acronym for nonvolatile random access memory. An EEPROM (electronically erasable read-
only memory) chip that stores configuration information. Refer to EEPROM.
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Sun Storage 6 Gb SAS ExpressModule HBA • December 2014
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