Grass Valley K2 10G RAID - Manual (Page 72)

18 November 2010 K2 10G RAID Storage Instruction Manual
72
Glossary
The terms and definitions listed below are related to the storage system described in
this manual. Understanding them will aid your understanding of the storage system.
bind
In the context of a disk-array storage system, the procedure by which you
hardware-format one or more disk modules into one logical unit. Grass Valley
Storage Utility lets you bind disks into a logical unit recognized by the Windows
operating system, the media file system, and other software. Storage Utility labels this
group of disks a rank.
BTU (British Thermal Unit)
A standard measure of a device’s heat output.
cache
See storage-system caching.
direct-connect storage
K2 client models access their own external media storage drives that are contained in
a K2 RAID chassis. Referred to as stand-alone systems. See internal storage, shared
storage.
disk-drive module
Another name for disk module.
disk unit
A short name for physical disk unit.
disk module
A self-contained disk drive that slides into one of the slots in the front of the storage
system. It consists of the carrier assembly, which holds the disk drive and the
regulator board. Also called disk-drive module.
EMI (electromagnetic interference)
Electronic radiation emitted by an electrical device. The levels of EMI are strictly
controlled for data processing equipment. The EMI standards are explained after the
Notice page near the beginning of the manual.
ESD (electrostatic discharge)
The discharge of an accumulated electrical charge (static). This can severely damage
delicate electronic circuits.
field-replaceable unit
See FRU (field-replaceable unit).
FRU (field-replaceable unit)
A hardware assembly that can be replaced on site, instead of at the point of
manufacture.