Product specifications

42
Table 2-2 Single-Channel AirPlay MP and AirPlay MP/NewsCutter
Combination System Storage Options
Options
Description See:
MediaDock chassis An enclosure that houses up to eight 3.5-inch
drives or up to four 5.25-inch drives. The
chassis can stand alone or be rack mounted.
Drives slide into slots and plug into a SCSI bus
in the chassis.
ÒConnecting the MediaDockÓ on
page 161
9-GB MediaDrives Individual 9-GB MediaDrives linked in a
single-ended SCSI chain connected to a
SiliconExpress IV board. Connect no more than
seven disks per SiliconExpress IV board.
ÒConnecting 9-GB
MediaDrivesÓ on page 158
Multidrive rack-
mountable storage
(MRS)
Provides multiple 9-GB drives enclosed in
rack-mounted enclosures.
ÒConnecting Storage DrivesÓ on
page 151
One MRS
enclosure
One MRS enclosure contains one to four 9-GB
disk drives. Use single-ended SCSI connectors
to link the MRS to a SiliconExpress IV board.
ÒConnecting One MRS
EnclosureÓ on page 151
Two MRS
enclosures
Two MRS enclosures linked in a chain provide
a total of Þve to seven 9-GB disk drives. Use
single-ended SCSI connectors to link the MRS
enclosures to a SiliconExpress IV board.
ÒConnecting T
wo MRS
EnclosuresÓ on page 152
Multiple MRS
enclosures with
storage
expanders
Use storage expanders to chain together a
maximum of two MRS enclosures with a total
of up to seven 9-GB disk drives. Use
differential SCSI connectors to connect the
MRS enclosures to a SiliconExpress 4D board.
ÒConnecting MRS Enclosures
with Storage ExpandersÓ on
page 154
Redundant arrays
of independent
disks (RAID)
RAID storage provides built-in backup: 20% of
the drive storage contains data to restore lost
media. Each RAID unit contains multiple
drives that can be replaced without shutting
down the unit or losing data. RAID units use
either a differential SCSI or Fibre Channel
interface.
ÒConnecting SCSI RAID UnitsÓ
on page 157