User Guide

Ampex 1308911-02 6-29
DD-2 Utilities Manual Pages dd2_query_drive
%tdconfig Bit mask or string indicating drive configuration.
%v_tdconfig
Value, Strings
0x00000001 ":Post internal retry errors (deflt disable):"
0x00000002 ":Synchronize buffer at EW (deflt able):"
0x00000004 ":Search forward after load (deflt disable):"
0x00000008 ":Park anywhere (deflt disable):"
0x00000010 ":Enable data block checksums (deflt able):"
%rdretry Read Retry Count drive configuration parameter.
%wrretry Write Retry Count drive configuration parameter.
%wrbuf Write Buffer Full Ratio (divide by 256 to get ratio) drive
configuration parameter.
%rdempty Read Buffer Full Ratio (divide by 256 to get ratio) drive
configuration parameter.
%wrdelay Write Delay (in hundreds of milliseconds) drive configuration
parameter.
%sctime Scanner Time-Out (in minutes) drive configuration parameter.
%thtime Thread Time-Out (in seconds) drive configuration parameter.
%ewoffset Early Warning Offset Before End of Media Warning (in physical
blocks) drive configuration parameter.
%clntime Cleaning Time (in seconds) drive configuration parameter.
DST_CAN_RHIDENS, 0x01000000 ":Can read high-density:" Drive dependent
DST_CAN_WHIDENS, 0x02000000 ":Can write high-density:" Drive dependent
DST_CAN_ODDPOS, 0x04000000 ":Can position to odd-byte:" Enabled
DST_CAN_ODDXFER, 0x08000000 ":Can transfer odd-size block
(byte-stream mode):"
Enabled
DST_CAN_RWHISPD, 0x10000000 ":Can transfer at 20MB/sec:" Drive dependent
DST_CAN_HLTAPE, 0x20000000 ":Can handle large tape:" Drive dependent
DST_CAN_HSTAPE, 0x40000000 ":Can handle small tape:" Enabled
DST_CAN_HMTAPE, 0x80000000 ":Can handle medium tape:" Drive dependent
DST_CAN_RQDENS, 0x00000001 ":Can read quad density:" Drive dependent
DST_CAN_WQDENS, 0x00000002 ":Can write quad density:" Drive dependent
Name Value Strings DST Defaults