Compaq StorageWorks DS-BA370 Series User Manual page 196

Glossary
Federal Communications Commission
See FCC.
filler panel
A panel used to cover open unused areas in cabinets or shelves for
either EMI suppression, air flow control, or cosmetic purposes.
host
The primary or controlling computer (in a multiple computer
network) to which storage is attached.
host adapter
A device that connects the host system I/O bus (for example, a PCI
bus) to the storage SCSI bus. A host adapter performs the lower layers
of the SCSI protocol and normally operates in the initiator role.
host computer
See host.
host controller
A device that connects the host system I/O bus (for example, a PCI
bus) to the storage SCSI bus. A host controller provides RAID
functionality, typically has multiple SCSI bus ports, performs the
lower layers of the SCSI protocol, and normally operates in the
initiator role.
host port adapter
A host controller device that adapts the host system I/O bus to the
array controller SCSI bus configuration.
hot swap
A method of device replacement whereby the complete system
remains online and active during device removal or insertion. The
device being removed or inserted is the only device that cannot
perform operations during this process.
See also cold swap and warm swap.
Glossary–8 UltraSCSI RAID Enclosure