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3.3.5
DAS (Direct-Attached) Connection
Channels
Host
RAID controller
Host server
Data path connection
Host channel bandwidth
With additional disk drives over the SAS expansion links, users can create a greater
number of logical groups of drives that use more host channel IDs or LUN numbers.
If a server has multiple data paths to a RAID system, multi-path software, such as the
EonPath driver, is necessary.
The two logical drives in the above drawing cannot leverage the full computing power
of the system. Users may attach 1 or 2 more JBODs to acquire more end-to-end
performance.
ASR-5300I Series Hardware User Manual
Controller A
CH0, CH1, CH2, CH3
Configuration Information
1
2
Simple end-to-end connections with fault-tolerant pairs
3200 MB/s
40
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