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Fabric OS Encryption Administrator’s Guide (LKM/SSKM) 155

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Configuring a multi-path Crypto LUN

3. On the group leader encryption switch (switch 1), create a CryptoTarget container for each

target port and add the hosts in sequence. Do NOT commit the configuration until you have

created all CryptoTarget containers and added all hosts to the respective containers.

a. Create a CryptoTarget container (CTC1) for target port 1 to be hosted on the encryption

engine of encryption switch 1. Refer to the section “Creating a CryptoTarget container” on

page 141 for instructions on steps b. through e.

FabricAdmin:switch> cryptocfg --create -container disk CTC1 \

b. Create a CryptoTarget container (CTC2) for target port 2 to be hosted on the encryption

engine of encryption switch 2.

FabricAdmin:switch> cryptocfg --create -container disk CTC2 \

c. Add host port 1 to the container CTC1.

FabricAdmin:switch> cryptocfg --add -initiator <CTC1> <Host Port1 WWN> \

d. Add host port 2 to the container CTC2.

FabricAdmin:switch> cryptocfg --add -initiator <CTC2> <Host Port2 WWN>

e. Commit the configuration.

FabricAdmin:switch> cryptocfg --commit

Upon commit, redirection zones are created for target port 1, host port 1 and target port 2,

host port 2. These redirection zones include the virtual target VT1 for CTC1, the virtual initiator

VI1 for host port 1, the virtual target VT2 for CTC2 and the virtual initiator VI2 for host port 2. At

this stage, the host loses access to all LUNs until the LUNs are explicitly added to the

CryptoTarget containers.

4. Discover the LUNs. Perform steps 4 a. through c. to discover the LUNs for ALL CryptoTarget

containers in sequence. Refer to the section “Discovering a LUN” on page 145 for details on

the LUN discovery process and a command output example.

a. On the encryption switch 1 (the group leader), enter the cryptocfg

--discoverLUN for the

container CTC1. The command output displays the LUNs present in the target as exposed

from target port 1 and as seen by host port1, the LUN Number, host port1 WWN, and the

LUN Serial Number.

FabricAdmin:switch> cryptocfg --discoverLUN CTC1

b. On the encryption switch 2, enter the cryptocfg --discoverLUN for the container CTC2.

The command output displays the LUNs present in the target as exposed from target port

and as seen by host port 2, the LUN Number, host port1 WWN, and the LUN Serial

Number.

FabricAdmin:switch> cryptocfg --discoverLUN CTC2

c. Review the output of the LUN discovery to ensure that the LUN serial number for ALL LUNs

are the same as seen from target-port 1 to host-Port 1 path and from target-port 2 to

host-port 2. Identical LUN serial numbers validate the multi-path configuration.

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