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Chapter 6 UNIX Settings
Configuring for the DEC/Compaq UNIX Environment
LTO-2 Half-Height Tape Drive User’s Guide 51
Configuring Digital
UNIX Version 4.0
and later/Compaq
Tru64 UNIX 5.x
6
Use File Manager to open the file /etc/ddr.dbase and create an entry as
follows:
SCSIDEVICE
#
Type=tape
Name="CERTANCE""ULTRIUM 2"
#
PARAMETERS:
TypeSubClass=tk
TagQueueDepth=0
MaxTransferSize=0x0ffffff#(16MB-1)
ReadyTimeSeconds=180#seconds
CMD_PreventAllow=supported
CMD_ExtReserveRelease=supported
BlockSize=0
PwrMgmt_capable=0
DENSITY:
#
DensityNumber=0,2,3,4,5,6,7
DensityCode=default
CompressionCode=0x0
Buffered=0x1
DENSITY:
#
DensityNumber=1
DensityCode=default
CompressionCode=0x1
Buffered=0x1
Save the file. Then run the following command:
ddr_config-c
ddr_config
takes the default input file, ddr.dbase, and builds a new device
database. This command takes effect immediately, without having to
rebuild the kernel.
Note: ddr.dbase is a UNIX shell script and is not written in C. This
means # is used to signify a comment, not /* and */ or //, as
used in C. Make sure any comments included in this file are
preceded with the # character.