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23-14
Cisco MDS 9000 Family Command Reference
OL-8413-07, Cisco MDS SAN-OS Release 3.x
Chapter 23 T Commands
tape-read command-id
tape-read command-id
To configure a SCSI tape read command for a SAN tuner extension N port, use the tape-read
command-id command.
tape-read command-id cmd-id target pwwn transfer-size bytes [continuous [filemark-frequency
frequency] | num-transactions number [filemark-frequency frequency]]
Syntax Description
Defaults Filemark frequency: 0.
Command Modes SAN extension N port configuration submode.
Command History
Usage Guidelines To stop a continuous SCSI tape read command in progress, use the stop command-id command.
Note There can be just one outstanding I/O at a time to the virtual N port that emulates the tape behavior.
Examples The following example configures a single SCSI tape read command.
switch# san-ext-tuner
switch(san-ext)# nWWN 10:00:00:00:00:00:00:00
switch(san-ext)# nport pwwn 12:00:00:00:00:00:00:56 vsan 13 interface gigabitethernet
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switch(san-ext-nport)# tape-read command-id 100 target 22:22:22:22:22:22:22:22
transfer-size 512000 num-transactions 5000000 filemark-frequency 32
The following example configures a continuous SCSI tape read command.
switch# san-ext-tuner
switch(san-ext)# nWWN 10:00:00:00:00:00:00:00
switch(san-ext)# nport pwwn 12:00:00:00:00:00:00:56 vsan 13 interface gigabitethernet
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cmd-id Specifies the command identifier. The range is 0 to 2147483647.
target pwwn Specifies the target port WWN. The format is hh:hh:hh:hh:hh:hh:hh:hh.
transfer-size bytes Specifies the transfer size in multiples of 512 bytes. The range is 512 to
8388608.
continuous Specifies that the command is performed continuously.
filemark-frequency
frequency
Specifies the filemark frequency. The range is 1 to 2147483647.
num-transactions number Specifies a number of transactions. The range is 1 to 2147483647.
Release Modification
3.0(1) This command was introduced.
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