GRASS VALLEY K2 Lx0, Instruction Manual

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52 K2 Lx0 RAID Instruction Manual July 31, 2008
Glossary
hot repair
See replace under power.
internal storage
K2 Media Client models with internal storage access their own internal media storage
drives. Referred to as a stand-alone system. See also direct-connect storage, shared
storage.
K2 Lx0 RAID Storage
A storage system that includes a chassis, up to 12 disk modules, one or two RAID
controllers, and two power supplies. A K2 Lx0 can support up to eleven K2 Lx0
Expansion Chassis (with up to 12 disk modules each) in addition to its own 12 disk
modules.
K2 Lx0 Expansion Chassis
A storage system that includes a chassis, up to 12 disk modules, two expansion adapters,
and two power supplies.
K2 Media Client
A Broadcast Enterprise Server that incorporates IT server platform and storage
technologies. The K2 Media Client can be used with internal, direct-connect, or
shared storage.
power supply
An essential element of the storage-system power supply. A storage system can have
two power supplies. With two, it can survive failure of one supply. You can replace a
power supply under power without interrupting applications.
rank
See bind.
replace under power
The storage system provides replace under power capability, allowing you to replace,
for example, a disk module or a power supply module without powering down the
storage system. Applications continue while you replace the failed module.
SCSI (small computer system interface)
A well-known protocol and standard for connecting computers and peripheral
devices.
SES (SCSI enclosure services)
A functional subset of SCSI III commands that allow a server to communicate with
storage enclosures using their disk modules.
server
In the context of storage systems, a processor that runs an operating system and uses
a disk-array storage system for data storage and retrieval.