Dell PowerVault MD1220 User Manual download pdf (Page 19)

Operating Your Storage Enclosure 19

Operating Your Storage Enclosure

Before You Begin

Before connecting your storage enclosure, ensure that the following are

available:

• Power cables

• SAS cables

• Rail kit

•

Dell Systems Management Tools and Documentation

media

• Documentation

– Getting Started Guide

– Rack Installation Instructions

– Safety instructions

Cabling Your Enclosure

You can cable your enclosure in either a unified-mode configuration or in a

split-mode configuration.

• In a unified-mode configuration your

enclosure

is connected to one host,

for example, a server with a controller card. Your

enclosure

can be one of

up to four enclosures daisy-chained to a single port on the controller card

in your host server. The enclosure can also be connected in a redundant

path mode with two connections to single host server. See Figure 2-2 and

Figure 2-3 for cabling diagrams of a unified mode configuration.

• In a split-mode configuration, your enclosure is connected to two separate

controller cards. The controller cards may reside in the same server or in

two different servers. The enclosure bus is logically split in half where the

first half of the enclosure is managed by one controller and the second half

of the enclosure is managed by the second controller. Table 2-1 lists the

book.book Page 19 Monday, December 7, 2009 4:51 PM

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 69 70

No comments

Dell PowerVault MD1220 User Manual Page 19