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MaxAttach NAS 6000 Administration Guide
Base Unit Back Panel
The back panel of the base unit provides I/O connection for inter-enclosure SCSI and
EMU cabling, connections for the NICs and Ethernet Port, and system hard power
switches. In addition, access to the hot swappable fans and blower is provided. Other than
on the NICs, there are no status indicators.
Figure #13
Expansion Unit
Up to two Expansion Units may be added above a single MaxAttach NAS 6000 Base Unit.
Each Expansion Unit provides 12 disk drives mounted in their Hard Disk Driver carrier
Assemblies. In normal default RAID configuration, each unit is divided into two six-disk
RAID 5 arrays. RAID 5 is striping across multiple drives with distributed parity for an
optimum balance between fault tolerance and recovery, maximum disk drive space, and
I/O read/write speeds.
Expansion Unit Front Panel
The Expansion Enclosure front panel is similar to the Base Unit front panel with the
following exceptions:
No System Status LED
n
No Power On LED
n
No Drive Status LED
n
No front panel power rocker switch.
n
The Power Supply LEDs and the Hard Disk Drive Carrier Assembly LEDs are the same.
Chapter #2 - Overview - MaxAttach NAS 6000 Hardware
11/07/01 -- Revision 2.0.03A
Base Unit Back Panel
Chapter #2 - Overview - MaxAttach NAS 6000 Hardware
31
Expansion Unit
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