472 Configuring and monitoring FCIP extension services
Take the following steps to configure and enable FC Fastwrite.
1. Create a zone configuration to filter FC Fastwrite flows. FC Fastwrite flows are configured by creating a
zone name with an fcacc token as a prefix. For LSAN configuration, use lsan_fcacc as a prefix, as
shown in the following example.
switch:admin> zonecreate fcacc_myzone1, "initiator-wwn; target-wwn"
switch:admin> zonecreate LSAN_fcacc_myzone2, "initiator-wwn; target1-wwn;
target2-wwn"
switch:admin> cfgcreate mycfg, "fcacc_myzone1; LSAN_fcacc_myzone2"
switch:admin> cfgenable mycfg
2. Enable FC Fastwrite using the fastWriteCfg command. Enabling or disabling FC Fastwrite with this
command disrupts data traffic. For the B-Series Multi-Protocol Router Blade, the command powers the
blade off and back on. In the case of the HP StorageWorks 400 Multi-Protocol Router, the router is
rebooted. The process takes up to five minutes.
Example: Enabling Fastwrite on a switch
switch:admin> fastwritecfg --enable slot
where slot is the slot number in which the B-Series Multi-Protocol Router Blade is installed. A slot
number is not required for the HP StorageWorks 400 Multi-Protocol Router.
switch:admin> fastwritecfg --enable 7
!!!! WARNING !!!!
Enabling FC Fastwrite will require powering off and back on the and it may take up
to 5 minutes. For non bladed system, the switch will be rebooted. Data traffic
will be disrupted.
Continue (Y,y,N,n): [ n] y
3. Enable FC Fastwrite on the ports using the portCfg command.
switch:admin> portcfg fastwrite [slot/]port --enable
where slot is the slot in which the B-Series Multi-Protocol Router Blade is installed and port identifies
the port number you want to enable. A slot number is not required for the BHP StorageWorks 400
Multi-Protocol Router.
4. Repeat step 1 through step 3 for the blade or router on the other end of the FC Fastwrite path.
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