Configuring A Data Pattern - Cisco AP776A - Nexus Converged Network Switch 5020 Configuration Manual
Cisco mds 9000 family cli configuration guide - release 4.x (ol-18084-01, february 2009)
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Configuring the SAN Extension Tuner
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
To generate SCSI tape 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)# tape-read command-id 100
target 22:22:22:22:22:22:22:22 transfer-size
512000 continuous filemark-frequency 32
Step 5
switch(san-ext-nport)# tape-write command-id 100
target 22:22:22:22:22:22:22:22 transfer-size
512000 continuous filemark-frequency 32
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#
Configuring a Data Pattern
To optionally configure a data pattern for SCSI commands, follow these steps:
Command
Step 1
switch# san-ext-tuner
switch(san-ext)#
Step 2
switch(san-ext)# nport pWWN
12:00:00:00:00:00:00:56 vsan 200 interface
gigabitethernet 3/4
switch(san-ext-nport)#
Step 3
switch(san-ext-nport)# data-pattern-file
bootflash://DataPatternFile
switch(san-ext-nport)# no data-pattern-file
Step 4
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 5
switch(san-ext-nport)# stop command-id 100
Cisco MDS 9000 Family CLI Configuration Guide
42-8
Chapter 42
Configuring the SAN Extension Tuner
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 an initiator or a target.
Configures SCSI tape read commands to be
issued continuously.
Use the stop command-id command
Tip
to stop the outstanding configuration.
Configures SCSI tape write commands to be
issued 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.
Purpose
Enters the SET configuration submode.
Creates a virtual N port on the specified Gigabit
Ethernet port and VSAN. This N port can act as
an initiator or a target.
Specifies the data pattern used by the N port to
generate data as a target for read commands
and initiator for write commands.
Removes the specified transfer ready size
configuration for SCSI write commands and
defaults to using the all-zero pattern.
Specifies a transfer size of 512,000 bytes with
two outstanding I/Os. The total number of I/Os
is 5,000,000 bytes.
Stops the command with the specified ID.
OL-18084-01, Cisco MDS NX-OS Release 4.x
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