HP VS80 DLT VS80 Tape Drive User's Guide - Page 28

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Unix - dec hp learning products http://www.hp.com/support/tape may have a later version UNIX configuration introduction hp systems compaq systems ibm RS/6000 systems pc based UNIX systems silicon graphics sun systems verify installation UNIX glossary Compaq systems, Digital UNIX This topic is available in English only. contents of this section related topics configuring for Digital UNIX verifying installation glossary configuring for Digital UNIX 1 Add the following entry to your /etc/ddr.dbase file: SCSIDEVICE Type = tape Name = "HP" "Ultrium" note: For other devices, substitute "Ultrium" in the command as follows: DLT1 = "DLT1" DAT devices = "C----A" Note: Change "C----A" to the appropriate value for your DAT device. DAT24 drives ="C1537A"; DAT40 drives="C5683A"; DAT24x6 autoloaders="C1557A"; DAT40x6 autoloaders="C5713A". 2 Set the following parameters in the file: PARAMETERS: MaxTransferSize = 0xffffff ReadyTimeSeconds = 600 InquiryLength = 0x20 DENSITY: DensityNumber = 0,3 DensityCode = 0x00 Blocking = 0 CompressionCode = 0x0 Buffered = 0x1 DENSITY: DensityNumber = 1,2 OneFileMarkOnClose = yes DensityCode = 0x00 Blocking = 0 CompressionCode = 0x1 Buffered = 0x1 3 Rebuild the kernel by running: % /sbin/ddr_config -c /etc/ddr.dbase then reboot the system with the tape drive attached. The device files for the Ultrium drive will be generated when you reboot. 4 The names of the device files can be interpreted as follows: For Tru64 (Digital) UNIX 4.x Device files will be generated in the /dev directory in the following format [n]rmtX D where: n No rewind rmt Magnetic tape identifier X Instance number assigned to the drive by the operating system (0 is the first, 1 is the second, and so on) D Density number mapping letter one of h, l, m or a h Compression on (high density, maps to density number 1) m Compression off (medium density, maps to density 2) l Compression off (low density, maps to density number 0) a Compression on (alternate density, maps to density 3) For example, /dev/rmt/nrmt0h is a device file for the first device, which is a high-density, no-rewind device. For Tru64 (Digital) Unix 5.x: Device files will be generated in /dev/tape or /dev/ntape directories for rewind or no-rewind devices in the following format tapeX tapeXc tapeX_dY where: density number 0 driver without compression density number 0 driver with compression density number d driver (compression controlled by ddr.dbase file) X drive instance number (0 is the first drive) Y density number In the case of Ultrium customers will only need to use the tape0 and tape0c device files. Once the device files have been created, you should confirm that your new tape drive is working properly. See Verifying Installation. © 2001, Hewlett-Packard Company file:///C|/Documents%20and%20Settings/topher.COL-SPRINGS/Desktop/dltvs80%20manual/document/common/unix/reseller/eng/c_compaq.htm [11/29/2001 8:34:23 AM]

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Unix - dec
hp learning products
may have a later version
UNIX configuration
introduction
hp systems
compaq systems
ibm RS/6000 systems
pc based UNIX systems
silicon graphics
sun systems
verify installation
UNIX glossary
Compaq systems, Digital UNIX
This topic is available in English only.
contents of this section
configuring for Digital UNIX
related topics
verifying installation
glossary
configuring for Digital UNIX
1
Add the following entry to your
/etc/ddr.dbase
file:
SCSIDEVICE
Type = tape
Name = "HP" "Ultrium"
note:
For other devices, substitute "Ultrium" in the command as follows:
DLT1 = "DLT1"
DAT devices = "C----A"
Note: Change "C----A" to the appropriate value for your
DAT device. DAT24 drives ="C1537A"; DAT40
drives="C5683A"; DAT24x6 autoloaders="C1557A"; DAT40x6
autoloaders="C5713A".
2
Set the following parameters in the file:
PARAMETERS:
MaxTransferSize = 0xffffff
ReadyTimeSeconds = 600
InquiryLength = 0x20
DENSITY:
DensityNumber = 0,3
DensityCode = 0x00
Blocking = 0
CompressionCode = 0x0
Buffered = 0x1
DENSITY:
DensityNumber = 1,2
OneFileMarkOnClose = yes
DensityCode = 0x00
Blocking = 0
CompressionCode = 0x1
Buffered = 0x1
3
Rebuild the kernel by running:
% /sbin/ddr_config -c /etc/ddr.dbase
then reboot the system with the tape drive attached. The device files for the
Ultrium drive will be generated when you reboot.
4
The names of the device files can be interpreted as follows:
For Tru64 (Digital) UNIX 4.x
Device files will be generated in the
/dev
directory in the following format
[n]rmt
X
D
where:
n
No rewind
rmt
Magnetic tape identifier
X
Instance number assigned to the drive by the operating system
(0 is the first, 1 is the second, and so on)
D
Density number mapping letter one of h, l, m or a
h
Compression on (high density, maps to density number 1)
m
Compression off (medium density, maps to density 2)
l
Compression off (low density, maps to density number 0)
a
Compression on (alternate density, maps to density 3)
For example,
/dev/rmt/nrmt0h
is a device file for the first device, which
is a high-density, no-rewind device.
For Tru64 (Digital) Unix 5.x:
Device files will be generated in
/dev/tape
or
/dev/ntape
directories
for rewind or no-rewind devices in the following format
tapeX
density number 0 driver without compression
tapeXc
density number 0 driver with compression
tapeX_dY
density number d driver (compression controlled by
ddr.dbase file)
where:
X
drive instance number (0 is the first drive)
Y
density number
In the case of Ultrium customers will only need to use the tape0 and tape0c
device files.
Once the device files have been created, you should confirm that your new tape
drive is working properly. See
Verifying Installation
.
© 2001, Hewlett-Packard Company
file:///C|/Documents%20and%20Settings/topher.COL-SPRINGS/Desktop/dltvs80%20manual/document/common/unix/reseller/eng/c_compaq.htm [11/29/2001 8:34:23 AM]