Tape-Read Command-Id - Cisco MDS 9000 series Command Reference Manual

tape-read command-id

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
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.
Syntax Description
cmd-id
target pwwn
transfer-size bytes
continuous
filemark-frequency
frequency
num-transactions number Specifies a number of transactions. The range is 1 to 2147483647.
Defaults Filemark frequency: 0.
Command Modes
SAN extension N port configuration submode.
Command History Release
3.0(1)
Usage Guidelines To stop a continuous SCSI tape read command in progress, use the stop command-id command.
There can be just one outstanding I/O at a time to the virtual N port that emulates the tape behavior.
Note
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
1/2
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
1/2
Cisco MDS 9000 Family Command Reference
23-14
tape-read command-id cmd-id target pwwn transfer-size bytes [continuous [filemark-frequency
frequency] | num-transactions number [filemark-frequency frequency]]
Specifies the command identifier. The range is 0 to 2147483647.
Specifies the target port WWN. The format is hh:hh:hh:hh:hh:hh:hh:hh.
Specifies the transfer size in multiples of 512 bytes. The range is 512 to
8388608.
Specifies that the command is performed continuously.
Specifies the filemark frequency. The range is 1 to 2147483647.
Modification
This command was introduced.
Chapter 23 T Commands
OL-8413-07, Cisco MDS SAN-OS Release 3.x