APC 15000 RAID User Manual

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6.3 Enclosure Installation Procedures
Important
SGI InfiniteStorage 15000 drive enclosures should only be installed in SGI InfiniteStorage 15000 
racks. Mounting and installing these drive enclosures in any other rack is not authorized or 
supported by SGI.
Warning
The  drive enclosure with all its component parts installed is too heavy for a single person to 
easily install into a Rack cabinet. 
Caution
Ensure that you have fitted and checked a suitable anti-static wrist or ankle strap and observe all 
conventional ESD precautions when handling  drive enclosure modules and components. Avoid contact 
with Backplane components and module connectors, etc.
Note
Drive enclosures are supplied and delivered populated with Backplane, Baseplane, Front Panel, DEMs, 
and with PCMs installed. The Drive Carrier Modules are supplied as a separate package.
A typical rack mounting installation in shown in 
6.4  I/O Module Configurations
6.4.1
Controller Options 
• The drive enclosure has a standard SAS JBOD IO controller, which employs a 36-port expander 
with zoning. The zoning is implemented via a preset piano-switch located on the enclosure 
baseboard. Host ports 1 and 2 present drives 1 through 30 and host ports 3 and 4 present drives 
31 through 60. Each host port responds with drive information applicable only to the drives 
presented on the respective zone and enclosure status information for the entire enclosure.
Figure 6–4
Full Rack without Controllers.