StorageWorks DLT 10/20 GB Cartridge Tape Drive
C–2
Order Number: EK-SM1TB-UG. E01
2. Edit the "st_conf.c" file and carefully add the following structure before the entry for
"/* Exabyte 8mm 5GB cartridge */":
/* TZ87 10GB DLT Streaming /w Compression Cartridge tape drive */
{
"DEC TZ87 10GB Cart. DLT Steaming /w Compression", 12 ,
"DEC TZ87",ST_TYPE_DEFAULT, 8192,
(ST_BSF | ST_VARIABLE | ST_LONG_ERASE | ST_KNOWS_EOD),
5000, 5000,
{ 0x17, 0x18, 0x80, 0x81 },
{ 0, 0, 0, 0 }
},
3. Verify that the above entry is added to the
st_conf.c
file correctly.
Where,
•
The first parameter
(DEC TZ87 10GB Cart. DLT Streaming /w
Compression)
is the name given to the drive.
•
The second parameter
(
12
)
is the length of the vendor ID provided by the
"inquiry" command.
•
The third parameter (
DEC TZ87
) is the vendor ID. (Ensure that five spaces
are included between “
DEC
” and “
TZ87
” elements.)
•
The fourth parameter (
ST_TYPE_DEFAULT
) is the drive type for the driver.
•
The fifth parameter (
8192
) is the block size in bytes.
•
The sixth parameter (
ST_BSF | ST_VARIABLE | ST_BSR | ST_LONG_ERASE
| ST_KNOWS_EOD
) comprises the drive options.
•
The seventh parameter (
5000
) is the maximum number of read retries.
•
The eighth parameter (
5000
) is the maximum number of write retries.
•
The ninth parameter (
0x17, 0x18, 0x80, 0x81
) comprises the density codes
(low
é hi) as defined below:
•
0x17 is the vendor-unique density code for the TK85 (2.6 GB).
•
0x18 is the vendor-unique density code for TK86 (6.0 GB).
•
0x80 is the vendor-unique density code for the TK87 native in the uncompressed
mode (10 GB).
•
0x81 is the vendor unique code for the TK87 in the compressed mode (20 GB).
•
The tenth parameter (0,0 . . .) is the speed code (not used).
C.2.1.2 Rebuilding of Kernel
After you have edited the "st_conf.c" file and added the above entry, rebuild the kernel
using the standard procedure (for further help, refer to the man pages of the
config
command
).
C.2.1.3 Installation of tape drive
Install the tape drive into the storage subsystem and power on the workstation. We
recommend that the SWXTL SCSI device address be set to ID 4 or 5.
