7065Cabling.fm Draft Document for Review August 30, 2007 12:59 am
40 IBM System Storage DS3000: Introduction and Implementation Guide
Figure 3-8 Four host servers attached to dual controller DS3400
The SAN switch must be zoned so that each HBA in a particular server is connected to a
different DS3400 RAID controller. For maximum availability, you can add another SAN switch
- this eliminates single point of failure on the entire I/O path. We show this in Figure 3-9.
Host server 1
Host server 2
Host server 3
Host server 4
DS3400
SAN switch
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