AcQuisition Technology Quad M-module Carrier i4000 Guía de usuario Pagina 74

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58 007-4522-003
3: Features of the RAID Controller
Dual-Port Duplex RAID Configuration
Figure 3-6 illustrates a dual-port quad-path attached duplex RAID configuration. This
configuration supports the following features:
Transfer speeds up to 400 MB/s
Failover capabilities
SGI FailSafe high-availability solution
Figure 3-6 Dual-port Quad-path Duplex RAID Topology
Caution: If two independent systems access the same volume of data and the operating
system does not support file locking, data corruption may occur. To avoid this, create two
or more volumes (or LUNs) and configure each volume to be accessed by one system
only.
LRC B
SFP
Host 0
SFP
Host 1
LRC A
SFP
Host 0
SFP
Host 1
16 dual-ported drives
Midplane
QLogic
2310 HBA
QLogic
2310 HBA
QLogic
2310 HBA
QLogic
2310 HBA
FFX-2
FFX-2
!
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