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SCSI Read/Write Assignment
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
Command
Step 3
switch(san-ext)# nport pWWN
12:00:00:00:00:00:00:56 vsan 200 interface
gigabitethernet 3/4
switch(san-ext-nport)#
Step 4
switch(san-ext-nport)# read command-id 100
target 22:22:22:22:22:22:22:22 transfer-size
512000 outstanding-ios 2 num-transactions
5000000
Step 5
switch(san-ext-nport)# write command-id 100
target 22:22:22:22:22:22:22:22 transfer-size
512000 outstanding-ios 2 num-transactions
5000000
Step 6
switch(san-ext-nport)# stop command-id 100
switch(san-ext-nport)# stop all
Step 7
switch(san-ext-nport)# clear counters
Step 8
switch(san-ext-nport)# end
switch#
To generate SCSI read or write commands continuously, follow these steps:
Command
Step 1
switch# san-ext-tuner
switch(san-ext)#
Step 2
switch(san-ext)# nWWN 10:00:00:00:00:00:00:00
Step 3
switch(san-ext)# nport pWWN
12:00:00:00:00:00:00:56 vsan 200 interface
gigabitethernet 3/4
switch(san-ext-nport)#
Step 4
switch(san-ext-nport)# read command-id 100
target 22:22:22:22:22:22:22:22 transfer-size
512000 outstanding-ios 2 continuous
Step 5
switch(san-ext-nport)# write command-id 100
target 22:22:22:22:22:22:22:22 transfer-size
512000 outstanding-ios 2 continuous
Step 6
switch(san-ext-nport)# stop command-id 100
switch(san-ext-nport)# stop command-id all
Step 7
switch(san-ext-nport)# clear counters
Step 8
switch(san-ext-nport)# end
switch#
Cisco MDS 9000 Family Configuration Guide
34-6
Chapter 34
Configuring the SAN Extension Tuner
Purpose
Creates a virtual N port on the specified
Gigabit Ethernet port and VSAN. This N port
can act as a initiator or a target.
Specifies a transfer size of 512,000 bytes
with two outstanding I/Os in the read
command. The total number of I/Os is
5,000,000 bytes.
Specifies a transfer size of 512,000 bytes
with two outstanding I/Os in the write
command received by the target. The total
number of I/Os is 5,000,000 bytes.
Stops the command with the specified ID.
Stops all outstanding commands.
Clears the counters associated with this N
port.
Exits the SAN extension tuner submode.
Purpose
Enters the SET configuration submode.
Configures the nWWN for the SAN
extension tuner.
Creates a virtual N port on the specified
Gigabit Ethernet port and VSAN. This N port
can act as a initiator or a target.
Configures SCSI commands to be read
continuously.
Tip
Use the stop command-id command
to stop the outstanding configuration.
Configures SCSI commands to be written
continuously.
Stops the command with the specified ID.
Stops all outstanding commands.
Clears the counters associated with this N
port.
Exits the SAN extension tuner submode.
OL-6973-03, Cisco MDS SAN-OS Release 2.x
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