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324 Chapter 4 Performing CCI Operations
4.21.2 SLPR Configuration Examples
4.21.2.1 Single Host
Figure 4.81 provides an example of when control is denied to the paircreate and raidscan
commands in the following cases:
The volume described on RM INST1 is different from the SLPR of the command device, so
the paircreate command cannot control the paired volume.
The specified port is different from the SLPR of the command device, so the raidscan -p
CL3-A command cannot scan any ports that are defined as SLPR#N.
SLPR0 SLPR# M SLPR# N
Host
RM
INST0
RM
INST1
CM
PVO
L
SVOL
CL1-A
CL3-A
Figure 4.81 SLPR Configuration on a Single Host
To operate SLPR#N, assign the command device. If RM INST1 has a command device for
SLPR#N, the paircreate command is permitted. However, the raidscan -p CL3-A command
(via RMINST0) will be unable to scan a port, because the specified port is different than the
SLPR of the command device. In this case, -p CL3-A must be operated via RMINST1, as shown
in the following example.