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18 Cabling Your Cluster Hardware
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Cabling One PowerVault 22xS Shared Storage System to a Cluster SE500W
NOTE: See "Configuring the PowerVault 22xS Storage System for Cluster Mode" for more information
about configuring the storage systems.
NOTICE: Do not turn on the systems or the storage system(s) until the split-bus module on the back of
the PowerVault system has been set to cluster mode and all cabling is complete.
NOTICE: The asymmetrical, D-shaped SCSI connectors can be damaged if they are forced together
when they are not oriented to each other correctly. To avoid connector damage, match the connector
shapes (long side-to-long side and short side-to-short side). Insert the cable connector straight (not at an
angle) into the card connector.
1
Connect the SCSI connector A (see Figure 2-1) on the back of the PowerVault 22
x
S storage
system to the 68-pin connector on the first SCSI cable (see Figure 2-2), and then tighten the
retaining screws.
NOTE: As viewed from the back of the system, the left EMM is the primary EMM and the right EMM
is the secondary EMM.
NOTE: See "Enabling the Cluster Mode Using the PERC RAID Adapter" for more information about
cluster-enabling the card.
2
Connect the very high-density connector interface (VHDCI) connector of the first SCSI
cable to the channel 0 connector on the cluster-enabled PERC RAID adapter in the first
PowerEdge system (see Figure 2-2), and then tighten the retaining screws.
Figure 2-1. PowerVault 22xS Back Panel
NOTE: Ensure that you securely tighten the retaining screws on all SCSI connectors to ensure a
reliable connection.
SCSI connector A
power supply
redundant power supply
SCSI connector B
redundant cooling fans (2)
split bus module
primary EMM
secondary EMM
se500wbk1.book Page 18 Thursday, June 16, 2005 4:19 PM